1. Aquaculture 146515

AQUACULTURE 1.PCR process was discovered by Kary B. Mullis in a) 1983 b) 1980 c) 1974 d) 1995 2.Adipose dorsal fin present in a) Claridae b) Heteropneustidae

c) Siluridae

3.T. mossambica introduced in India in year a) 1952 b) 1960 c) 1935 4.M. rosenbergii attain first maturity in a) 4-7 month b)10 month

d) None

d) 1972

c)12-15 month

5.–---------is a protandrous hermaphrodite a) Giant perch b) Oyster c) a & b

d) None d) None of the above

6.Kakabans are made of horse hair like fibres of -----a) Indjuk plant b) Coconut leafs c) a & b 7.In India C. batrachus commonly known as a) Stinging cat fish b) Magur Snakehead 8.------------ is called as aquatic chicken a) Catla b) Rohu c) Tilapia

d) None d) None of these

d) Channa striatus

9.Stickness of common carp egg removed by a) Salt-carbamide solution b) Milk powder solution 10. Marine cat fishes coming under the family a) Plotossidae b) Aridae c) a & b 11. Number of larval stages in P. monodon is a) 12 b) 13 c) 15 12. The egg size of M. rosenbergii is a) 0.3 mm b) 0.6-0.7 mm

c) a& b d) None

d) 9

c) 0.9-1 mm

d) 2 mm

13. The active compound present in Mahua oil cake is a) Rotenone b) Saponin c) a & b 14. Which is Euryhaline fish a) Milk fish b) Sea bass

d) Formalin solution

c) a & b

d) None d) None

15. ---------- being first among ornamental fish producing country a) Singapore b) India c) Malaysia d) Japan 16. Which species grow large in size a) S. serrata b) S. tranquebarica 17. M. roserbergii is a a) Herbivore b) Carnivore

c) Omnivore

c) P. pelagicus d) None

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d) P. Sanguinolentus

18. Khazan lands are present in a) Kerala b) West Bengal

c) U.P

d) Karnataka

19. Which in known as sanitary fish a) Silver carp b) Grass carp c) a & b

d) None

20. Induced breeding and seed production technology for grouper was developed by a) CIBA b) CIFT c) CIFA d) CMFRI 21. In animal cell, DNA is present in a) Nucleus b) Mitochondria

c) a & b

d) None

22. The inactivation of sperm for gynogenesis is done by using a) UV ray b) X ray c) Dimethyl sulphate d) Above all 23. Gynogenesis occurs naturals in some fishes belonging to the family a) Poecilidae b) Cyprinidae c) Cyprinodontidae

d) None

24. Which method is used for transiting the gene into animal embryo a) Microinjection b) Electroporation c) a & b d) None 25. Number of larval stages in M. roserbergii is a) 15 b) 13 c) 11

d) 8

26. Which is called as the mother of probiotics a) Nitrosomonas b) Latic acid bacteria c) Nitrobactor d) None 27. Which is known as golden Mahseer? a) T. putitora b) T. torc) T. mosal

d) None

28. Which penaeid shrimp require high protein level in (around 60%) their diet a) P. vannamei b) P. indicus c) P. japanicus d) P. setiferus 29. Dopamine antagonist present in ovatide is a) Pimozide b) domperidone c) Tamoxifen 30. Which in mycotoxin a) Aflatoxin b) T-2 toxin

d) None

c) Zearalenone d) Above all

31. In shrimp Y organ produce a) Moulting b) Moulting inhibiting hormone c) a & b d) None 32. Secondary sexual characters are prominent in carps during a) Spawning season b) Through the year c) No secondary sexual character development d) None 33. Induced breeding and seed production technology for sea bass was developed by a) CIBA b) CMFRI c) CIFT d) CIFRI 34. ---------- is the largest producer of pearl a) India b) USA c) Japan

d) Philippines

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35. In India trout hatchery is present in a) Bhimtal b) Lonavla c) a & b

d) None

36. Which is not a cold water fish a) Pacific salmon b) Atlantic salmon

c) Trout

37. What is the egg size of P. mondon? a) 0.3 mm b) 0.6 mm c) 0.9 mm

d) 1 mm

d) None of the above

38. Which non specific defense mechanism is present in shrimp a) Phagocytosis b) Encapsulation c) Prophenoloxidase system 39. ---------- is used to control EUS a) CIFAX b) OTC c) a & b

d) All

d) None

40. Crustacean parasites are controlled by applying --------------- in pond a) Malathion b) CuSo4 c) Malachite green d) None 41. Which form is toxic to fish a) NH4+ b) NH3 & NO2

c) NO3

d) above all

42. Methemoglobinemia is related to ------- toxicity a) NH4+ b) NH3 c) NO2 d) NO2-+ 43. The fecundity of 1kg grass carp is a) 1,50,000 b) 2,00,000 c) 82,000

d) None

44. The process of message transfer from DNA to mRNA is called a) Transcription b) Translation c) a & b 45. P. monodon attain first maturity in a) 8 month b) 10-12 month

d) None

c) 13-15 month d) None

46. Which sp. is more favourable for culture? a) O. niloticus b) T. rendallii c) T. zill

d) None

47. The fish egg chorion is removed by using ------ for microinjection a) NaCl2 solution b) CaCl2 solution c) Trypsin solution 48. Which is a marginal weed a) Ipomea b) Typha

c) a & b

d) None

d) None

49. Fishes which deposit eggs on sand is called as a) Lithophils b) Psammophils c) Phytophils

d) None

50. Scoliosis and Lordosis disease caused by deficiency of a) Vitamin A b) Vitamin B c) Vitamin C d) None 51. Chelating agent used in shrimp hatchery is a) Sodium thiosulphate b) EDTA

c) Oxytetracycline

52. Deep sea lobster is a) Panulirus ornatus b) Panulirus homarus

c) Puerulus sewelli

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d) None of these d) None of these

53.

Moult Death Syndrome occurs in captive a) Crabs b) Lobsters c) Prawns d) Fishes The number of Zoea stages observed in crabs is a) Four b) Two c) Six d) Five

53. WSSV was first reported in shrimp culture in India in a) 1994 b) 1992 c) 1996 d) None of these 54. Which of the following is referred as Green crab a) Scylla oceanica b) S. serrata c) S. paramamosain

d) None of these

55. Which fish is known as Poor man’s pomfret a) Drift fish b) Sail fish c) Sardines

d) Mackerel

56. Gear used of Bombay duck fishery is a) Shore seine b) Gill net

d) Gill net

57. Gold fish is a a) Herbivore b) Carnivore

c) Dol net

c) Omnivore

d) None of these

58. Which of the following is referred as living fossil a) Lampreys b) Coelacanth c) Hag fishes d) None of these 59. Forked teeth are found in a) Whales b) Sardines

c) Bombay duck

60. Hooks and lines are used for catching a) Prawn b) Tuna c) Mackerel

d) All the above

d) None of these

61. Phenomenon of biomagnification is shown by a) Heavy metals b) Domestic sewage c) Distillary waste d) None of these 62. Silver carp can be used for controlling a) Microphytes b) Algal bloom c) Duck weeds 63. Simazine is used for controlling a) Blue green algae b) Fish lice

d) Emergent weeds

c) white spot disease

64. Cyclomorphosis is very common in a) Cladocerans b) Copepods

c) Mammals

65. Pearl is formed by the secretion of a) Shell b) Gonadal tissue

c) Mantle tissue

d) None of these

d) fishes d) Intestinal tissue

66. The chemical used for narcotizing the pearl oyster for conditioning a) Quinaldine b) MS 222 c) Iodine d) Menthol crystal 67. One molecule of glucose on complete oxidation produces a) 30 ATP mole b) 38 ATP mole c) 40 ATP mole d) 45 ATP mole 68. The most widely used cryoprotectant in fish gamete preservations are a) Methanol b) DMSO c) Acetic acid d) None of these

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69. The teleost fish has the following class of immunoglobulin a) IgE b) IgM c) IgA d) IgG 70. The common marine blue green algae responsible for causing red tide is a) Spirulina sp b) Nostoc sp c) Trichodesmium sp d) Microcystis sp 71. The important type of reproduction in diatoms is a) Binary fission b) Microspores c) Cysts

d) auxospores

72. Ouch ouch disease is caused by eating fish contaminated with a) Mercury b) Chromium c) Cium d) Zinc 73. Psammon is a group of organisms seen between a) Sand grains b) Mud particles c) Water droplets

d) None of these

74. Which of the following is a bottom soil sampler a) Casell bottle b) Eckman grab c) Van dorn sampler 75. Indian major carps breeds during monsoon in a) Ponds b) Rivers d) Lakes

d) None

All the above

76. Pectoral fins of mature brooders are rough in a) Male b) Female c) Both Male and Female

d) None of these

77. Which aquatic weed is provided to common carps for egg laying a) Hydrilla b) Lemna c) Azolla d) None of these 78. Which of the following is a Omnivore fish a) Rohu b) Catla c) Mrigal 79. Fish that easily breed in pond is a) Grass carp b) Catla 80. Coracle is operated in a) Pond b) Ocean 81. Lodhia boat is used in a) Gujarat b) Tamil Nadu

d) Silver carp

c) Common carp c) Reservoir

d) None

d) all the above

c) Karnataka

d) Andhra Pradesh

82. Who is known as Brahma of Indian Fisheries a) Frederick Nicholson b) Wilson Henry c) Francis Day d) James Hornell 83. Engraulis ringens is commonly known as a) Chinese anchovy b) Indian anchovy c) Peruvian anchovy d) None of these 84. Seabass are considered as a) Euryhaline

b) Stenohaline

85. The species of grouper banned for fishing is a) Epinephelus quoyanus b) E. tauvina

c) Thermohaline c) E. lanceolatus

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d) None of these d) None

86. PCR method for detection of Vibrio cholerae was standardized by a) CIFE b) CIFT c) CCMB d) CMFRI 87. Sixth Indian fisheries forum was held at a) CMFRI b) NIO c) CIFE d) ICAR 88. Indian International seafood show during 2003 was held at a) Tamil Nadu b) Mangalore c) Mumbai d) Goa 89. The scientific name of Flower shrimp is a) Penaeus monodon b) P. indicus

c) P. semisulcatus

d) None of these

90. Melanization occurs in shrimps due to the action of a) Immunostimulants b) Hormones c) Pro-Phenoloxidase d) Immunoprophylaxis 91. Which of the following is commonly referred as “Living capsules of nutrition” a) Benthos b) Nekton c) Plankton d) None of these 92. Which among the following is a Ostracod a) Cypris b) Daphnia c) Moina

d) Brachionus

93. Bagasse/press mud is a byproduct of a) Wheat b) Rice c) Sugar

d) Fish

94. Captive breeding of sand lobster was successfully carried out by a) CMFRI b) CIFT c) CIBA d) NIO 95. The minimum over – lap percentage required in a satisfactory double seam of a round can is a) 20% b) 60% c) 80% d) 50% 96. The deterioration of fats and oils is known as a) Hydrogenation b) Rancidity c) Saponification 97. 98. 99.

Highest heat resistance is exhibited by the spores of a) B. subtilis b) B. stearothermophilus c) C. botulinum Fish proteins are rich in a) Lysine b) Valine

c) Threonine

d) Autooxidation d) None

d) All the above

A short series of lectures is known as a) Debate b) c) Symposium

d) Brain storming

100. Bacterial haemorrhagic septicaemia in fish is caused by a) Aeromonas liquifaciens b) A. hydrophila c) Pseudomonas d) Cytophaga 101. Cotton wool disease in fish is caused by a) Saprolegnia sp b) Branchiomyces sp

c) Achlya sp

102. Biologically optimal catch is called as a) MEY b) MSY c) SOY

d) None

103. Mahima shrimp feed was developed by a) CIBA b) CIFT c) CMFRI

d) CIFE

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d) Exophila sp

104. Which among the following is a non-air breathing cat fish a) Clarias batrachus b) Heteropneustes fossilis c) Ompak pabda d) None of these 105. The experimental design suitable for three characters with equal sample size is a) Split plot design b) Randomised block design c) Completely randomized design d) Latin square design 106. Sampling method in which population is divided into subpopulation of equal size a) Systematic sampling b) random sampling c) Multistage sampling d) Stratified sampling 107. Diploid chromosome number in IMC is a) 50 b) 80 c) 58

d) 60

108. Sex linked inheritance in fish was first described by a) T.J. Pandian b) Johannes Schmidt c) Zhu d) None of these 109. Colchicine is used for suppressing a) Cell division b) Metaphase chromosomes c) Growth d) None of these 110. First transgenic fish was produced in the year a) 1980 b) 1982 c) 1985

d) 1990

111. Fishes which reproduce and die within a year are called as a) Semulparous b) Hermaphrodite c) Parthenogenesis 112. Which of the following is a protozoan ciliate a) Epistylis b) Vorticella c) Trichodina d) Ichthyobodo 113. Red tail disease in shrimp is caused by a) MBV b) TSV c) WSSV

d) IHHNV

114. The concentration of KMnO4 used for treating Argulus infection is a) 10ppm b) 5 ppm c) 2 ppm 20 ppm 115. The common medium employed for fish cell line is a) TCBS b) TSA c) MEM d) None of these 116. Behaviour patterns that are expressed outwardly are called as a) Overt b) Covert c) Stimulus d) Response 117. The ability of an individual to cope with his environment is called a) Behaviour b) Talent c) Intelligence d) Psychology 118. Cells responsible for synthesizing antibodies are a) B cells b) T cells c) Both B and T cells 119. Failure in induced breeding can be due to a) Poor condition of brood b) Lack of food c) Temperature variation d) Mishandling

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d) None

d) None of these

120. It is recommended to use the pituitaries from a) Same Species b) Different Species c) Different Genus d) Different Phyla 121. Inbreeding results in a) Inbreeding depression c) Better off spring’s

b) Improved stock d) Increase hybrid vigour

122. Exposing milt to high dose of radiation result in a) Destruction of chromosomes of the sperm cells b) Chromosomal aberration c) Destruction of nucleus of the sperm cells d) Damage to cell walls of the sperm 123. Inter specific and inter generic hybridization produce a) Viable and fertile off springs b) Non-viable offspring c) Better growth d) Better survival 124. Typha is a a) Rooted higher plant

b) Floating plant

c) Marine algae

d) Parasitic plant

125. To eradicate the weeds, weedicides used are a) 2, 4-D b) Salt solution c) Dilute formalin

d) Pottassium permanganate

126. Algal bloom is caused by a) Microcysitis b) Seaweeds

d) Hydrilla

c) Filamentous algae

127. Soil sterilant is effective in destroying a) Weeds b) Fish fry c) Bottom predators 128. Sodium arsenite kills a) All the submerged weeds

b) The larvae

d) Surface blooms

c) The fish

d) The algae

129. The green water method of algae production is practiced in a) Fish culture centers b) Macrobrachium culture centre c) Prawn larvae culture centers d) Artemia culture centers 130. In the algal production centers, Copper sulphate is applied to control rotifers at a rate of a) 100 ppm once a week b) 10 ppm once a week c) 0.6 ppm once a week d) 0.1 ppm once in 2 weeks 131. Cyst of brine shrimp hatch out as a) Mysis b) Nauplii c) Zoea

d) Protozoea

132. Decapsulation of Artemia cyst means a) Removal head of Artemia b) Removal hard shell of Artemia cyst c) Selection of Artemia cyst d) Disinfection of cysts 133. In order to deactivate toxic residues, the decapsulated Artemia should be dipped in a) Mild formalin b) Chloric acid c) 2 % sulphuric acid d) Potassium permanganate solution 134. Chlorella culture thrive well in the salinity range of a) 40 ppt b) 10-20 ppt c) 1-5 ppt d) None

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135. Brachionus is a very valuable live food but early larval stage of fish is unable of ingest because a) They move very fast b) It does not have bad odour c) It is easily soluble in water d) cheaper 136. Nitrogen fertilizers are preferred as they are a) Non toxic to organism b) It does not have bad odour c) It is easily soluble in water d) Cheaper 137. Major problem in using organic manure is a) Non availability b) Variability of composition c) Cost factor d) Handling problem 138. Chicken manure is high in a) Sodium content b) Nitrogen content

c) Trace elements

d) Zinc content

139. Food conversion ratio is the a) Amount of feed required to produce a unit weight gain b) Amount of fat required to produce 1g of body weight c) Amount of carbohydrate required to produce 1 g of body weight d) It is a measure weight loss 140. The main problem with the use of trash fish as a feed is a) Cost factor b) Availability c) Deterioration of water quality and loss of nutrients d) Not palatable to fishes 141. Critical nutrients in the feed are a) Protein b) Carbohydrate

c) Vitamins

d) Methionine and lysine

142. The two most important qualities of the fish pellets are a) Colour and size b) Smell and taste c) Hardness and water stability d) Cost and availability 143. Salmonella in the feedstuff is killed by a) Storing in cold storage b) Pelleting c) Heat treatment d) Keep it under reduced pressure 144. The major advantage of encapsulated diet is a) Easy to consume b) Water quality is not spoiled c) Specified nutritional d) Easy to handle 145. Feeding rate is estimated by a) Multiplying the weight by conversion rate of feed used b) Estimating the approximate number of larvae to be fed c) Calculating the biomass d) Estimating the mortality rate 146. A fish fry of body weight 0.25 g requires food of weight a) 50% its body weight b) 10% of its body weight c) 15% of its body weight d) 20% of its body weight 147. The first step requisite for the preparation of stocking pond is to a) Fertilize the pond b) Poisoning the pond c) Clearing of plants and removal of predatory fishes d) Bottom silt should be removed

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148. Carrying capacity of one ha ponds fed with protein rich pellet is a) About 2,680 kg b) About 5,000 kg c) About 10,000 kg d) About 20,000 kg 149. Carrying capacity of the pond means a) The weight limit of the fishes the pond can b) Productivity of the pond c) Biomass of the pond d) Algae production of the pond 150. Stocking pond of 1.25-2.0 ha can be stocked by 50-100 mm major carp fingerlings at a rate of a) 10,000 /ha b) 15,000 /ha c) 5,000-8,000 /ha d) 2,000-3,000 /ha 151. Liming of the pond is done to a) Reduce the pH of the water c) As a fertilizer

b) To kill the parasites and raise the pH d) To increase the productivity

152. Organic fertilizers include a) NPK b) Urea

c) Cow dung

d) Super phosphate

153. The common predatory fish found in the pond is a) Chanos chanos b) Glassogobius giuris

c) Mugil parsia

d) Sardinella longiceps

154. The weed fishes found in our ponds are a) Anabas testudineus b) Ambassis ranga

c) Labeo calbasu

d) Cirrhinus mrigala

155. Fish poison of plant origin are a) Aldrin b) Nuvan 100 EC

c) Thiometon

156. The important culturable species are a) Cynoglossus bilineatus b) Colis chuna

d) Mahua oil cake

c) Macrognathus aculeatum

d) Labeo rohita

157. The head quarters of Central Inland Fisheries Research Institute is in a) Bombay b) Calcutta c) Dhauh d) Barrackpore 158. Primary productivity is measured by using a) Radioactive tracers like C14 b) Radioactive iodine c) Radioactive K40 d) Radioactive Cs137 159. Nutrient cycle is a part of a) Biogeochemical cycle

b) Nitrogen cycle

160. The controlling factor of productivity is a) Colloidal content of the soil c) Calcium content of the bottom of the pond

c) Phosphorus cycle

d) Sulphur cycle

b) Acidic bottom of the pond d) Cellulose mud of the pond

161. Bicarbonate and carbonates found in water acts as reservoirs of a) Carbon dioxide b) Carbon c) Carbonic acid d) Hydrocarbons 162. Aquarium water should be aerated during a) Night b) Evening c) Early morning

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d) Noon

163. Ammonia concentration is toxic to fish beyond a) 0.05 mg/lit b) 0.5 mg/lit c) 0.75 mg/lit

d) 10 mg/lit

164. The common name of Betta splendens is a) Angel fish b) Swordtail c) Platy

d) Siamese fighter

165. Floating plants are required for breeding a) Guppies b) Angel fish c) Swordtail

d) Gourami

166. Peacock tail is a variety of a) Swordtail b) Gold fish

d) Guppy

167. Vallisneria is a a) Rooted plant

c) Platy

b) Floating plant

c) Shade plant d) Symbiotic plant

168. Permanent hardness is due to a) Dissolved sulphates and Chlorides of Calcium and Magnesium b) Dissolved Calcium oxide c) Sodium carbonate d) Carbon dioxide 169. A good example of livebearer a) L. reticulate b) Gold fish

c) Catla catla

170. Icthyophthirius is a a) Trematode parasite of fishes c) Bacteria

b) Protozoan parasite d) Copepod parasite

171. Acidosis is caused due to a) Drastic reduction of calcium salts c) Due to iron content of water

b) Increase in calcium content d) Due to high chlorine

172. Blooms are produced by a) Dinoflagellates b) Copepods

c) Nematodes

173. Argulus is a a) Protozoan parasite

b) Trematode parasite

d) Gourami

d) Bacteria

c) Copepod parasite

174. Infectious haematopoetic necrosis (IHN) is a a) Bacterial disease b) Acute viral disease

c) Fungal disease

175. Level of Tolerance of fish in water for hydrogen sulphide is a) 1 ppm b) 0.1 ppm c) 0.01 ppm d) 0.001 ppm 176. Each female fish spawner needs a) 10 mg of pituitary hormone per kg of fish b) 10 mg of pituitary hormone per kg of fish c) 0.1 mg of pituitary hormone per kg of fish d) 1 mg of pituitary hormone per kg of fish 177. Stocking rate of brood fish should be a) 1,000 – 3,000 kg/ha b) 10,000 – 30,000 kg/ha c) 100 – 500 kg/ha d) 5,000 – 75,000 kg/ha

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d) Internal parasite d) Caused by protozoa

178. The fish poison Derris powder has a) Rotenone b) Arsenic c) Mercury 179. Aldrin is a a) Chlorinate hydrocarbon

d) Chlorine

b) Organophosphate

180. The best food for fry of catla is a) Phytoplankton b) Zooplankton

c) Fertilizer

c) Oil cake

d) Manure d) Wheat bran

181. The rate of ammonia excretion increases 10 times when the temperature in fish fry transport containers raises a) 1oC b) 2oC c) 8oC to 15oC d) 15oC to 20oC 182. Sodium amytal is a a) Antibiotic b) Antibacterial agent

c) Anesthetic drug

d) Larvicidal

183. Common carp breeders are fed with oil cake and rice bran at a rate of 1 : 1 at a) 2-3% of the body weight b) 5-7% of the body weight c) 10% of the body weight d) 1% of the body weight 184. Hypophysation technique was first used in a) China b) USA c) Brazil

d) India

185. If pituitary of the same species is used it is called a) Heteroplastic b) Homoplastic c) Isotonic

d) Isothermic

186. Average fecundity rate of Indian carp a) 5 lakh eggs/kg body weight c) 10 lakh eggs/kg body weight

b) 2 lakh eggs/kg body weight d) 50,000 eggs/kg body weight

187. Hatching ‘hapa’ has a) One rectangular enclosures c) Two square enclosures

b) Two rectangular enclosures d) Two circular enclosures

188. Macrobrachium rosenbergi breeds in a) Sea b) Estuaries

c) Fresh water

189. Larval food of prawns consists of a) Fish larvae b) Diatoms and Zooplankton 190. In prawns, eggs hatches into a) Protozoea b) Nauplius

c) Mysis

d) Salt water c) Rice bran

d) Zoea

191. True pearl oysters of Indian seas are a) Meretrix merretix b) Pinctada fucata c) Trochus niloticus d) Crassostrea madrasensis 192. The common spiny lobsters of our coast are a) Scylla serrata b) Panulirus homarus c) Portunus pelagicus d) Parapenaeopsis stylifera Cryoprotective diluents for fish spermatozoa consist of a) Sucrose, Potassium bicarbonate b) Glutathione c) Dimethyl sulphoxide and egg yolk d) All

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d) Wheat bran

193. Milk fish feeds on a) Fish larvae c) Small benthic worms

b) Pelagic zooplankton d) bottom algae

194. Cirrhinus mrigala is a a) Surface feeder b) Column feeder 195. Hybrid vigor is known as a) Heterosis b) Polyploidy

c) Herbivorous

d) Bottom feeder

c) Intergeneric mating d) Cross breeding

196. Methyl testosterone is used for a) Faster growth b) Better colour in fishes c) Sex inversion d) Preventing deformities 197. Gynogenesis measures development of a) Disease resistant off springs b) Springs with exclusive maternal inheritance c) Off spring with cold resistance d) Resistance to pollution 198. Pleiotropy is the expression of a) Secondary consequences of an allele b) Expression of recessive allele c) Expression of homozygous character d) Character for homozygote 199. Polygenic inheritance can be measured in a) Individuals b) Population c) Groups 200. Acrosome is found in a) Tail portion of sperm c) Near the micropile of the egg

d) Races

b) Head of the sperm d) Adjacent to the mitochondria of the sperm

201. The global ornamental fish trade is word as us $ a) 10 billion b) 5billion c) 1 billion d) 15 million 202. The sex ratio recommended for live bearer a) 1:3 b) 2:1 c) 2:2 203. The eggs of gold fish are a) Floating b) Adhesive

d) 1:1

c) Semi bouyant

204. The Gestation period of molly a) 28 days b) 60 days c) 12 days

d) none d) 24 days

205. The temperature requirement for gold fish breeding a) 15-17oC b) 19-22oC c) 35-37oC d) 25-27oC 206. The discus can be bread in the pH of a) 9-10 b) 7-8 c) 3-4

d) 5-6

207. The family which exhibit parental care a) Cyprinidae b) Cichlidae c) Characidae

d) Cyprinodontidae

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208. The common name of Vallisneria a) Elephant grass b) Eel grass

c) Hornwort

d) Napier grass

209. The presence of adipose fin character for the family a) Charcidae b) Cyprinidae c) Cichlidae

d) Cobitidae

210. The fish which breeds out of water a) Jumping tetra b) Serpae tetra c) Widow tetra d) Black tetra 211. Dropsy is caused by a) Virus b) Fungi

c) Bacteria

212. The feeding habit of Oscar a) Herbivores b) Omnivores

c) Carnivores d) Detritivores

d) Algae

213. The appearance of tubercle is the identification character of male a) Gold fish b) Oscar c) Fishes d) Discus 214. The fry of which feeds on the mucus of the parent a) Oscar b) Gourami c) Widow tetra d) Discus 215. Sex reversal is very common is a) Guppy b) Molly c) Sword tail

d) Gambusia

216. The bubble nests are built by a) Discus b) Gourami

d) Danios

c) Barbs

217. The male reproductive organ of livebearers are called a) Gonopodium b) Pearl organ c) Tubercles 218. Infusoria is a a) Mollusc

b) Crustacean

c) Fisher

d) Sexual organ

d) Protozoan

219. Intensive aquariculture the design of the tank should be a) Square b) Circular c) Rectangular d) Cylindrical 220. All male production of guppies can be obtained using a) MS 222 b) Estrogen c) 17 α MT d) HCG 221. Fin rot is caused by 1. a) Bacteria

b) Virus

c) Salmonella

d) Fungi

222. The native of discus is a) Singapore b) South America

c) Sri Lanka

d) India

223. Argulus is commonly called as a) Fish louse b) Anchor worm

c) Leeches

d) Blood worms

224. Natural pairing is common in the family of a) Cichlids b) Cyprinids c) Anabantids

d) None

225. The fish which feed on their own young ones

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a) Discus

b) Fighter

c) Swordtail

d) Tetras

226. The sex ratio for gold fish breeding a) 1:2 b) 2:1 c) 1:1

d) 2:2

227. The best live food for gold fish breeding a) Earthworm b) Moina c) Mosquito larvae

d) Blood worm

228. The bacteria which convert ammonia into nitrite a) Lactobacillus b) Nitrobacter c) Nitrozomonas 229. Probiotics mainly contains a) Aspergillus b) Lactobacillus

c) E.coli

230. A typical ectoparasite a) Leeches b) Gyrodactylus

c) Dactylogyrus

d) Pseudomonas

d) Nitrobacter d) Bacteria

231. The coloration in the ornamental fish can be enhanced using a) MS 222 b) Probiotics c) 17 & MT d) Carotenoids 232. The fish which is mutual to sea anemone a) Scat b) Clown fish c) Sea angel

d) Butterfly fish

233. The gut pH in fishes during digestion is reduced by the secretion of a) Acetic acid b) Hydrochloric acid c) Formic acid d) Sulphuric acid 234. Digestion of protein and lipid is efficient in a) Carnivorous fisheries b) Herbivorous fishes c) Omnivorous fishes d) Detrivorous fishes 235. The most expensive and important nutrient of the diet of fish is a) Lipid b) Carbohydrate c) Protein d) Vitamins 236. Plant proteins can be efficiently utilized by a) Tiger shrimp b) Mud crab c) Fresh water prawn d) Lobster 237. Catabolism of protein leads to the release of a) Nitrite b) Methane c) Nitrate

d) Ammonia

238. Limiting amino acids are a) Glycine and leucine b) Lysine and methionine c) Valine and tyrosine d) Proline and lysine 239. n-3 fatty acids are rich in a) Marine fish oil b) Fresh water fish oil c) Vegetable oil d) All 240. The cheapest nutrient energy source is a) Lipid b) Protein c) Carbohyrate

d) Minerals

241. The total number of water soluble vitamins prepaired by fish is a) 12 b) 11 c) 4 d) 8 242. Anti nutritional factors in plant protein source can be destroyed by a) Heat treatment b) Cold treatment c) Sun drying d) Chemical treatment

15

243. Natural antioxidant used in the aqua feed is a) BHA b) BHT c) Vitamin E

d) Ethoxyquin

244. Feed intake can be increased by the addition of a) Attractants b) Antioxidants c) Hormones d) Pigments 245. The costliest commercial aquafeed is a) Pigmented feed b) Medicated feed c) Low pollution feed d) Micro-encapsulated feed 246. The mathematical technique available to nutritionists for selecting best combination of feed ingredients to formulate diets is a) Quadratic programming b) Linear programming c) Best buy technique d) Peterson square method 247. The water stability of shrimp feed should be minimum of a) 30 min. b) 45 min. c) 2 hr d) 5 hr. 248. Moist feeds are suitable for a) Sea bass b) Tiger shrimp

c) Lobster

d) Fresh water prawn

249. The feed ingredient used as binder in the feed formulation is a) Soybean meal b) Yeast c) Fish meal d) Tapioca flour 250. Carotenoid pigment present in a) Carrot b) Rice bran c) Wheat bran

d) Yeast

251. The optimum number of feed trays recommended for one hectare shrimp pond a) 2 b) 3 c) 4 d) 8 252. Biological value in feed studies related to a) Nitrogen b) Lipid c) Carbohydrate

d) Vitamin

253. Conjugated linoleicacid (CLA) is a a) Immunostimulant b) Antioxidant c) Antiseptic

d) Antimicrobia

254. Blue disease in shrimp is caused due to a) Bacteria b) Virus c) Protozoan

d) Nutritional deficiency

255. Chronic soft shell syndrome in shrimp is caused due to defidency of a) Ca and P b) Fe and Cu c) Mg and Mn d) Ca and Fe 256. Herbs are incorporated in the aqua feeds to enhance a) Palatability b) Water stability c) Immunity

d) Nutritional value

257. Non-digestible carhohydrate is a a) Probiotic b) Immunostimulant

d) Antibiotic

c) Prebiotic

258. Bio enrichment of live food is done to improve the nutritional value of a) Fresh food b) Compounded feed c) Live food d) Micro feed 259. The most powerful anti-nutritional factor plant ingredient is a) Phytic acid b) Trypsin inhibitor proteins

16

c) Glucosinolates

d) Haemoglutinins

260. The fish nutritional disorder reported due to methionine deficiency is a) Skin discolouration b) Fin erosion c) Cataract d) Slime disease 261. Mitochondrial genome is a) A diploid DNA with no inheritance b) A haploid RNA with maternal inheritance c) A haploid DNA with maternal inheritance d) A diploid DNA with paternal inheritance 262. The diploid number of chromosome in Catla catla is a) 52 number b) 50 pairs c) 25 numbers d) 25 pairs 263. Gynogensis is the development of embryos without genetic contribution from a) Maternal b) Paternal c) Offspring d) Ovary 264. Cytokines are produced by a) Viral infected cells c) Cytotoxic cells

b) Lymphocytes and lymphokines d) T helper cells

265. Epitopes are present in a) Bacterial infected cells c) Viral infected cells

b) Fungal infected cells d) None

266. Pinocytosis is a type of a) Phagocytosis b) Endocytosis

c) Exocytosis

d) Vacuole formation

267. Hybridoma is a cell formed by fusion of a) Melanin cells with B lymphocyte b) Meninges cells with antibody producing cell c) Myeloma cell with T lymphocyte d) Myeloma cell with B lymphocyte 268. Interleukin a) Promote protein synthesis b) Promote M protein synthesis c) Promote lymphocyte proliferation d) Promote RBC proliferation 269. ELISA is basically a) Haematological test c) Calorimetric test

b) Immunological test d) Electrophoresis

270. Primary haemopoietic organ of fish are a) Thymus and GALT b) Spleen and Thymus c) Head kidney and Thymus d) Head kidney and spleen 271. Nucleotide is a combination a) Sugar, phosphoric group and nucleoside b) Nucleoside and phosphoric group c) Nucleoside and phosphate group d) Nucleoside and sugar 272. Lymphokines are a) Specific cellular component c) Non-specific cellular secretion 273. Acrosome is a component of a) Embryo b) Sperm

c) Egg

b) Non-specific cellular secretion d) Specific cellular secretion d) Chromosome

17

274. In acrocentric chromosome, centromere is located a) At the end b) At sub terminal position c) Chromosome d) Mid way between the centre and end 275. The most abundant RNA type in the cell is a) m RNA b) r RNA c) t RNA

d) Viral RNA

276. The diameter of right-handed helix DNA is a) 2mm b) 20 Ao c) 20 nm

d) 20 cm

277. Which of the following is quantitative phenotypes a) Colour b) Sex c) Scale pattern

d) Feed conversion

278. When a single gene influence the expression of more than one trait, then the gene is known as a) Pleiotropism b) Multiple gene c) Epistatic gene d) Multiple alleles 279. The colour patteras in male Poecilia reticulata is a type of a) X-linked inheritance b) Lethal gene inheritance c) Autosome inheritanced) Y-linked inheritance 280. Hermaphrodites are found among modern teleost fishes of family a) Carangidae b) Lutjanidae c) Serranidae d) Siluridae 281. In WZ-system of sex determination the female has a) WZ b) ZZ c) WO d) XX 282. Sex of Megupoilon aporus (file fish) is determined by a) XO-system b) ZY-stem c) Multiple sex chromosomes d) WZ-system 283. Metagamic sex determination is due to a) Sex chromosome b) Sex ratio c) Autosomes 284. Inbreeding depression is controlled by a) Selective breeding b) Induced breeding

d) Transgenesis

c) Mass breeding

d) Cross breeding

285. Heterosis is found in fishes that are a) Hormone treated b) Hybridized c) Haploid chromosome injected d) None 286. Quality of milt is evaluated by a) Volume of milt b) Spermatocrit value, and sperm cell count c) Sperm motility d) All the above 287. Chromosome are observed during a) Anaphase b) Telophase c) Metaphase d) Interphase 288. Metaphase of cell division is arrested by a) Trisodium citrate b) Glycerol c) Colchicine d) Glycosteroid 289. MBV is diagnosed by the squash method using the stain a) Malachite green b) Giemsa stain c) Ziel Nielston stain 290. Giemsa stain is a a) Specific stain

b) Differential stains

d) Gram stain

c) Simple stain d) None

18

291. The greatest O2 consuming organelle of the cell is a) Lysosome b) Golgi apparatus c) Mitochondria

d) Ribasomes

292. The close association of 2 or more genes on a single chromosome usually inherited is called a) Linkage b) Crossing over c) Pleotropism d) Epitasis 293. The cell membrane of gram positive bacteria contain a) Only peptidoglycan layer b) Only lipopolysaccharide layer c) Peptidoglycan and an outer membrane d) Peptidoglycan layer and lipopolysaccharide layer 294. Tripeptides contain ------- number of peptide bonds a) 1 b) 2 c) 3 d) Zero 295. The complete active enzyme is termed as a) Apoenzyme b) Prosthetic group c) Cofactor

d) Holo enzyme

296. Fatty acids are represented by the formula R-COOH, where R stands for a) Alkaloid group b) Aldehyde group c) Alkyl group d) None 297. The fatty acid that are not synthesized by the body is called a) Non-essential fatty acid b) Synthetic fatty acid c) Non-synthetic fatty acid d) Essential fatty acid 298. Pepsinogen is secreted by a) Stomach b) Most cell of lives

c) Small intestine

d) Buccal cavity

299. The peptide chain termination in the protein synthesis is done by the genetic code a) AGU b) UAA c) CAU d) ACU 300. Osmosis is the movement of solvent from a) High concentration to low concentration c) One phase to another phase 301. Neoplasm is synonym of a) Tumour b) Cell death

b) Low concentration to high concentration d) Solid phase to liquid phase

c) Cell division d) Blood plasma

302. Normal calcium metabolism is affected by the heavy metal a) Zinc b) Cium c) Mercury d) Carbon 303. The gonadotropin is a a) Steroid hormone

b) Peptide hormone

c) Cholesterol rich hormone

304. Transcription is the process of conversion of a) DNA to r RNA b) DNA to m RNA c) DNA to t RNA d) DNA to mitochondrial DNA 305. Feminization in fishes is achieved mainly by using a) Androgen b) 17α –methyl testosterone c) Estrodiol 17 β d) Ethyl testosterone 306. Which of the following is a mutagen a) Nitric acid b) Nitrous acid

c) Nitrogen dioxide

307. Adjuvant is a substance that

19

d) Nitrogen gas

d) Enzyme

a) Enhance immune response c) Degrade immune response

b) Inhibit immune response d) None

308. Lymphocytes carrying neither T-cells nor B-cell markers are called a) Null cell b) Hepatic cells c) Germ cell d) Chimera 309. An organ, molecule or cell that has the same function as another but is of different evolutionary origin a) Synonym b) Analog c) Progeny d) Phylogeny 310. Fishes which are true hermaphrodites a) Cyprinidae and cyprinidontidae c) Anabantidae and cobitidae

b) Siluridae and sisoridae d) Serranidae and sparidae

311. A fish which are parthenogenetic a) Anabas testudineus b) Glossogobius sp. c) Oryzias latipes d) Poecilia formosa 312. Ovary is enclosed a) Cystovarian

b) Mesovarian c) Gymnovarian

d) Mesorchia

313. CETPs stands for a) Centre for ethological treatment procedure c) Common ecological treatment process

b) Common effluent treatment plants d) None of these

314. What is the life span of Artemia / sea monkey; a) 4 months b) 8 months c) 6 months

d) 2 months

315. Precautionary principle and the “polluters pays principle” are essential features of a) Sustainable development b) EEZ c) CRZ d) Subsistence fishing 316. Institute which initiated a research programme in 1999 to develop captive brood stock and other commercial species of peneaid shrimps like P. indicus, P. merguiensis and Metapenaeus japonicus under the NATP a) CIFE b) CIBA c) CMFRI d) NIO 317. The partial pressure of oxygen in dry air is: a) 58.5 mm Hg b) 159.2mm Hg c)159.5mm Hg 318. Ideal slope of pond is a) 2:1 b) 1:1 c)1:2

d)159.9mm Hg

d)1:2)5

319. An excavation more than……… in the ground level is uneconomical a) 50cm b)70cm c)100cm d) 60cm 320. Wind mill is …………Type of pump a) Centrifugal b) Reciprocating

c) Turbine

d) Submersible

321. Paddle wheel aerators are ------------- type of aerators a) Gravity b) Surface c) Turbine d) Submersible 322. The top of the embankment is called a) Crest b) Berm c) Freeboard

d) None

323. Stocking density of nauplii of shrimp in larval rearing tanks is

20

a) 0.1 million/litre

b) 10,000/litre

c) 1,000/litre

d) 100/litre

324. The rate of filtration in rapid sand filter is --------- litre/sq.mt/hr a) 500 to 1000 b) 1000 to 2000 c) 2000 to 4000 d) 4000 to 6000 325. Raceways are -------- Based aquaculture farming system a) Water b) Land c) Re-cycling d) Integrated 326. An imaginary line ing the points of equal elevation is called as a) Contour b) Free board c) Crest d) Trough 327. Scientific name of European sea bass is a) Sparus aurata b) Morone sexatilis c) Dicentrarchus labrax d) Moreone chrysops 328. Scientific name of Ayu (a popular fish in Japan) is a) Plecoglosus altevelis b) Glugea plecoglossi c) Onchorhyncus nerka d) Epinephelus suillus 329. Anguilla anguilla spawns in a) Bay of Bengal b) Arabian sea c) Sargasso Sea d) South china sea 330. The causative agent of Proliferative kidney disease is a) Aeromonas salmonicida b) Tetracapsula bryosalmonae c) Myxobolus spp. d) None of these 331. Amylodinosis is caused by a) Bacteria b) Fungi

c) Leeches

d) Protozoa

332. When the area of hemorrhage is less than 2mm, it’s referred to as a) Ecchymotic b) Petechiae c) Paintbrush d) Hematoma 333. Spirulina sp. is a a) Bacteria b) Blue algae

c) Brown algae d) Cyanobacteria

334. To impart color to salmon flesh, aquaculturists use a) Asthaxanthin b) Beta carotene c) Lycopene 335. Anti-DIG antibody solution is used in a) In situ Hybridisation b) PCR

d) Phycocyanin

c) Western Blot

336. Who demonstrated the semi conservative nature of DNA replication? a) Inman R.and Schn’s M b) Meselson M. and Stahl F c) Okazaki R d) Sanger and Stuart 337. Who discovered transponsons (“Jumping genes”) a) Abelson b) Harvey c) Candey d) McClintock 338. What is the approximate size of the human genome? a) 3 Billion bases b) 10 Billion bases c) 30 billion base d) 10 million bases 339. Which of these disease causing bacteria was discovered by Robert Koch? a) Bacillus anthrax b) Shigella dysenteriae

21

d) Northern Blot

c) Vibrio cholerae

d) None of the above

340. Smallest fish genome a) Tetraodon tersinaria b) Tetraodon cutcotia c) Tetraodon perifiria d) None of the above 341. What are monosaccharide components of the milk disaccharide Lactose? a) Glucose and galactose b) Fructose and glucose c) Glucose and manose d) glucose and glucose 342. What is the biosynthetic precursor of ketone bodies? a) Acetyl COA b) Succinyl COA c) Adenyl COA d) None 343. What is the average time it taken to Mycobacterium tuberculosis to divide a) 24 minutes b) 24 seconds c) 24 hours d) 24 days 344. Who first determined the primary structure of insulin? a) Edman b) Flipper c) Sanger d) George 345. What are the Svedberg values for the subunits of the 70S ribosomes of E. coli? a) 50S and 30S b) 50S and 40S c) Pyridoxine d) Pantothenic acid 346. Vitamin B2 is also known as a) Riboflavin b) Thiamin

c) Pyridoxine

d) Panthothenic acid

347. What is the major effect of Interleukin-1 (IL-1) on the immune response? a) It activate helper T cells b) It active killer T cells c) It activates B cells d) All of the above 348. What is the approximate size of bacteria? a) 0.01 mm b) 0.001 mm c) 0.1 mm

d) 0.0001 mm

349. What is the approximate size of a white blood cell? a) 1.0 mm b) 0.1 mm c) 0.01 mm d) 0.001 mm 350. Which of these three codons is a stop (termination) codon a) UGA b) UAU c) UAC d) None of the above 351. In addition to AUG what initiation codon is recognized by prokaryotes a) ACG b) AUC c) GUG d) None of the above 352. Linkage was first discovered by a) Bateson at 1905 b) Morgan at 1911

c) Pandian at 1911

353. Tick out the odd: a) Sturgeon b) Salmon

d) Hilsha

c) Eels

354. The present threat for India in connection with world aquaculture is a) Taiwan b) China c) Bangladesh d) Indonesia 355. Clarius batrachus is having a) X-Y gene b) W-Z gene c) X-0 gene d) Y-0 gene 356. Crystal violet is used a a) Positive stain b) Negative stain

c) Fixative

22

d) None

d) None of these

357. EDTA is used as a) Anti-chelating agent c) Coloring agent

b) Binding agent d) Clotting inhibitor

358. Perches are mostly caught in -------------- maritime zone of India a) North east b) South east c) North west d) South west 359. Naturally occurring hybrid fish a) Rohu – catla hybrid b) Rohu – mrigal hybrid c) Catla-mrigal hybrid d) None 360. The estimated potential production of India a) 8.0 mm t b) 8.5 mm t c) 10.0 mm t

d) None of the above

361. Chambal is the tributary of a) Ganga b) Narmada

d) Godavari

c) Yamuna

362. Lonavela hatchery is a center for breeding of a) Trout b) Mahseer c) Salmon

d) None of the above

363. Chocholate mahaseer is found in -------- north-eastern state a) Meghalaya b) Manipur c) Assam d) Sikkim 364. Hilsha ilisha is a major catch in a) West Bengal b) Orissa c) Maharastra

d) Gujarat

365. More than 40% of carbohydrate leads to a) Increase growth in fish b) Retard growth in fish c) No effect d) Cause disease 366. The total shrimp potential area of India is a) 1.2x106 ha b) 1.5x106 ha c) 1.9x106 ha

d) None

367. Productivity in reservoir is a) 30-40 kg/ha b) 10-20 kg/ha c) 40-50 kg/ha d) 50-60 kg/ha 368. International Fish Farmers Day is a) 10th July b) 21st July c) 10th Nov

d) 21st Nov

369. Soft water lakes and ponds are a) Poor productive b) Very highly productive c) Highly productive d) None of the above 370. At pH 4.5 – 8.3 CO2 occurs in the form of a) Free CO2 or bicarbonate b) Carbonate c) Free CO2 carbonate d) All the above 371. Operational period of nursery pond is a) 15-20 days b) 25-30 days c) 10-15 days 372. Quick lime contains -------- CaO a) 98% b) 80% c) 50%

d) 20-25 days d) 70%

373. Bulans is

23

a) The deepening part of bundh c) Both of the above

b) The shallow part of bundh d) Not at all related with bundh

374. Stocking density’s ratio in different pond i.e. Nursery: Rearing: Grow out is a) 1:40:1280 b) 1:20:1000 c) 1:20:1280 d) 1:30:1280 375. Which fish can digest cellulose? a) Tilapia b) Magur c) Rohu

d) Catla

376. How many % of lipid can be digested by fish a) 80-90% b) 70% c) 10%

d) 30-35%

377. Which of the following is the stocking density for cage culture a) 100-300/m2 b) 300-500/m2 2 c) 500-800/m d) None of the above 378. Sewage contains ------% water and ---------% organic matter a) 99, 1 b) 80, 20 c) 90, 10 d) 95, 5 379. CRZ was first started in a) 1975 b) 1986

c) 1991

d) 1995

380. Which nutrients are limited in freshwater and marine water a) Ca, P b) N, P c) P, N d) Ca, N 381. The desired discharge level of the BOD, COD is a) 25 ppm; 30ppm b) 20 ppm; 20 ppm c) 30 ppm; 40 ppm d) None of the above 382. The concept of composite fish culture was brought up by a) CIFAb) CIBA c) CIFRI d) Rajiv Gandhi Center for freshwater aquaculture 383. The standard combination of N:P:K is a) 10:8:4 b) 18:8:4 c) 18:8:4

d) 18:8:2

384. Liquid excreta urine contain more water N2, K but less a) P b) P, Ca c) Ca d) None 385. Poultry excretes ---------- of their body weight a) 2% b) 5% c) 3%

d) 4%

386. Mahua oil cake contain a) 5-6% saponin b) 9-10% saponin c) 4-15% saponin d) None of the above 387. Tea seed cake toxicity lasts for a) 10-12 days b) 20-30 days c) 40-50 days

d) 5-7 days

388. The dose of bleaching powder to be applied in pond is a) 25-30 ppm b) 15-20 ppm c) 40-50 ppm d) 25-40 ppm 389. Which chemical is used to control abnoxious gas a) Zeolite b) CaOCl2 c) Alumd) CaCO3

24

390. If pH is 6.5 – 7.5 then in which proportion the lime will be used a) 500 kg/ha b) 400kg/ha c) 200kg/ha d) 700 kg/ha 391. In race way culture water flow is -------- liter/min/kg a) 0.5 – 1 b) 5 – 10 c) 3 -6 d) 2 – 3 392. Brown Trout was introduced in India in a) 1906 b) 1805 c) 1806

d) 1804

393. NACA is situated in a) Philippines b) Bangkoy

d) Thailand

c) Malaysia

394. DDVP in the name of NOVAN 100 EC was manufactured by a) CIBA b) CIFA c) CIFRI d) CIFT 395. Algal weed can be controlled by KMnO4 at the rate of a) 5.5 ppm b) 2.5 ppm c) 2.6 ppm d) 7.2 ppm 396. Cattle dung consists of ----, ------- and ------ percent of N 2, P2O5 and Potash respectively a) 5, 0.1 and 2.5 b) 0.5, 0.1 and 2.5 c) 0.5, 0.4 and 0.5 d) 0.5, 0.1 and 0.5 397. Pulu rearing temperature is a) 10o C b) 20oC

c) 32oC

398. Trichodesmia is a) N2 fixer c) Compost acceletor

b) Phosphate solubiliser d) None of the above

d) 26oC

399. Which animal has considerable amount of phosphorus in urine a) Cattle b) Swine c) Poultry d) Pig 400. Red tide phenomena is caused by a) Nitzschia b) Gymnodium c) Trichodesmium

d) None

401. Truly freshwater prawn is a) Scampy b) M. choprai c) M. malcomsonii

d) None

402. Gracilaria is a a) Brown algae b) Green algae c) Red algae

d) None

403. The pokkali paddy field in Kerala has an area of a) 7440 ha b) 7000 ha c) 6500 ha d) 4400 ha 404. Stocking density of fish fingerling in fish cum duck farming is a) 6000-8000 ha b) 8000-10000 ha c) 10000-15000 ha

d) 100000-150000 ha

405. White pekin and Muscovy are a) Meat type poultry b) Egg type poultry

d) Egg type duck

406. Protein content of spirulina is a) 50-60% b) 60-70% c) 70-80% 407. Bule – green algal toxins are a) Neurotoxic b) Hepatotoxic c) a & b

c) Meat type duck d) 80-90% d) None

25

408. One gram of Artemia cysts produce about ------- million naupii a) 0.2 b) 0.4 c) 1 d) 2 409. Which of the following belongs to Halobacterium a) Pseudomoras b) Sarcina c) Basillus 410. CICEF is situated in a) Mumbai b) Delhi

c) West Bengal

d) Moraxella d) Bangalore

411. The first success in inducing breeding of Indian major carps by injections of fish pituitary hormones in the year a) 1957 b) 1952 c) 1967 d) 1987 412. Match List – I correctly with List – II and select your answer using the codes given below List I List II a) Floating weed 1) Typha b) Emergent weed 2) Lemna c) Submerged weed 3) Eichhornea d) Surface weed 4) Vallisneria Codes: A a) 2 b) 1 c) 2 d) 3

B 1 3 4 1

C 4 4 1 4

413. Common name for Eichhornea is a) Water lilies b) Water hyacinth

D 3 2 3 2 c) Arrow head d) Pond weeds

414. Macrobranchium rosenbergii is a a) Fresh water prawn b) Giant fresh water prawn c) Tiger prawn d) White prawn 415. Which one the following is correctly matched a) Catla catla - Giant freshwater prawn b) Labeo rohita - Catla c) Cyprinus carpio - Common carp d) Macrobranchium rosenbergii - Rohu 416. Commonly used anaesthetic drugs a) DMSO b) MS222 c) Quinoldine

d) None

417. Among the following which fish is called as aquatic chicken a) Catla b) Rohu c) Tilapia d) All 418. Which river es through the state of Tamil Nadu a) Mahanadi b) Ganga c) Cauvery 419. Rohu is a a) Voracious feeder

b) Column feeder

d) Yamuna

c) Bottom dweller

420. The criteria for selecting site for pond culture mainly depends on

26

d) Omnivorous

a) Species to be cultured c) Physiological requirement of the species

b) Targeted production level d) All the above

421. The soils having pH value equal to or less than 4 are called as a) Sand soil b) Loamy soil c) clayey soil

d) Acid sulphate soil

422. Chemical name for dolomite is a) Calcium carbonate b) Calcium magnesium carbonate c) Calcium oxide d) Calcium hydroxide 423. Turbidity in pond water can be measured easily by a) Salinometer b) Secchi disk c) pH meter d) Refractometer 424. For intensive farming commonly used farm type is a) Circular shape b) Rectangular shape c) Square shape

d) a & c

425. The main purpose of peripherial dike is a) To provide over all protection to the form from flood, storm etc b) To retain water for culture operation c) a & b d) To facilitate the proper drainage of waste water 426. In drainage channel recommended side slope for clay soil is a) 1:5:1 b) 2:1 c) 3:1 d) 1:1 427. Which type outlet gates are more efficient in draining bottom water in the pond is a) Monk sluice b) Open sluice c) Pipes made structure d) None 428. Example for positive displacement pump is a) Centrifugal pump b) Propeller pump c) Air lift pump d) Reciprocating pumps 429. The most commonly used aeration device for aeration in aquaculture pond is a) Splasher aerator b) Paddle wheel aerator c) Bubbler aerator d) Surface aerator 430. Which form of ammonia more toxic to fish a) Ionized ammonia b) Un-ionized ammonia c) Ammonium chloride d) None 431. Hardness of water refers to a) Sum of calcium and phosphorus concentration b) Sum of calcium ions concentration c) Sum of magnesium and Nitrogen concentration d) Sum of calcium and Magnesium 432. Compute the power requirement for pumping 1200 cum/hr against a head 10m, assuming a pump efficiency of 65% a)100BHP b) 65 BHP c) 68 BHP d) 70 BHP 433. Consider the statements: Mettur dam was the first reservoir where a fish seed farm was established in the 1940 Mettur dam is located in Tamil Nadu Mettur dam is located in kerala

27

Of the statements a) I alone correct c) I, II & III is correct

b) I & II is correct d) II & III is correct

434. Nagarjuna sugar reservoir located at which state a) Tamil Nadu b) Andhrapradesh c) Uttra Pradesh

d) Bihar

435. The most common fungus attack fry, fingerlings and adult fish is a) Saprolegnia parasitica b) Branchiomyces sp c) Aspergillus sp d) Trichodina indica 436. The commonest protozoan disease in fresh water fishes a) Eye disease b) Finrot c) Dropsy d) White spot disease 437. Consider the statements I) Hooghly matlah estuary is the biggest estuary of the country II) It is located in the state of west Bengal III) The fish fauna of hoogly – matlah estuary has been classified into residents and migrants Of the statements a) I & II is correct b) II & III is correct c) I & III is correct d) All are correct 438. India has a coastal length of a) 8143 km b) 1000km

c) 1250 Km

d) 7650 km

439. Which Institute engaged in culture of fish in brackish water region a) CMFRI b) CIFT c) CIBA d) CIFE 440. The most important disease in farmed finfish is a) Streptomysis b) Edwardsiellosis c) EUS 441. Larval stages of mussel is a) Nauplius b) Trocophore

c) Megalopa

d) Vibriosis d) Zoea

442. Gonopodium is the modification of a following part in the males of cyprinodonts a) Dorsal fin b) Pelvic fin c) Pectoral fin d) Anal fin 443. Protandrous hermaphrodism is shown by a) Carp b) Mullet c) Grouper

d) Sea bass

444. Match list – I correctly with list – II and select your answer using the codes given below List – I List – II A) Grey mullet 1) Sardinella sirm B) Bhetki 2) Euthynnus affinis C) Little tuna 3) Mugil cephalus D) Spotted sardine 4) Lates calcarifer Codes: A a) 4 b) 3 c) 3 d) 4

B 3 4 4 3

C 1 1 2 2

D 2 2 1 1

28

445. Polynemus paradiseus is commonly known a) Indian salmon b) Mango fish

c) Monk fish

446. Bhetki is a) Mullet

d) Asian seabass

b) Mussel

c) Milk fish

d) Pony fish

447. Which one of the following is correctly matched? a) Sport fish - Ctenophary godon idella b) Food fish - Carassius auratus c) Larvicidal fish - Gambusia affinis d) Oramental fish - Salmo gairdnerii 448. Consider the following statements i) Assertain (A): In Indian seas, a number of prized fisheries resources are declining in quantity and size) ii) Reason (R): Due to intensified fishing efforts in the inshore regions, fisheries resources are declining) Now select your answer according to the coding scheme given below a) Both (A) and (R) are true (R) is the correct explanation of (A) b) Both (A) and (R) are true but (R) is no the correct explanation of (A) c) (A) is true but (R) is false d) (A) is false and (R) is true 449. The organism responsible for black gill disease in shrimp hatcheries is a) Bacteria b) Fungi c) Protozoan d) parasites 450. Natural antioxidant used in the aquafeed is a) BHA b) BHT c) Vit Ed) Ethoxyquin 451. Head quarters of ICLARM is located at a) Indonesia b) Malaysia c) Switzerland d) Rome 452. Probiotics mainly contain the following organism a) Aspergillus b) Lactobacillus c) E. coli 453. Bheries are present in which state a) West Bengal b) Bihar

c) Tripura

454. Which state has longest coastal line a) TamilNadu b) Andrapradesh 455. Blackening of gills of shrimps due to a) Lack of food c) Disease or decomposed mud

d) Kerala

c) Gujarat

d) Maharastra

b) Low dissolved oxygen concentration d) High temperature

456. DNA polymerase is isolated from a) Thermus aquaticus b) Pseudomonas 457. Brine shrimp is known as a) Acetus indicus c) Metapenaeus indicus

d) Nitrobactor

c) Aeromonas

b) Penaeus indicus d) Artemia salina

458. Methyl testosterone is used for

29

d) All

a) Faster growth c) Sex inversion 459. Eel is a a) Catadromous

b) Better colour in fishes d) Preventing deformities b) Anadromous

460. Ichthyophthiriasis caused by a) Bacteria b) Fungi

c) Virus

c) Riverdromus

d) None

d) Protozoan

461. Central Inland Capture Fisheries Research Institute located at a) Lucknow b) Barrackpore c) Bangalore d) Chennai 462. Floating weeds are controlled by a) 2-4 D b) MS-222 c) Quinoline 463. The National fish of India is a) Indian Mackeral b) Indian oil sardine

d) Copper sulphate c) Seer fish

d) None of these

464. The scientific name of Deep sea lobster is a) Panulirus ornatus b) Panulirus homarus c) Puerulus sewelli d) None of these 465. Pond sealing may be accomplished by following method a) Soil compaction b) Water proof lining c) Bentonite application d) All of these 466. For fish production on e of the following is harmful a) Producer b) Parasite c) Consumer d) None 467. Which fish is placed under chondrichthys group a) Herring b) Eel c) Loaches d) Shark 468. Which of the following ecosystem is most productive from aqua cultural point of view a) River b) Reservoir c) Canal d) Pond 469. Which of the following fish group is most abundant in swamps a) Carps b) Catfish c) Mullet d) Clupeids 470. Which among the following is anadromous fish a) Hilsa b) Catfish c) Magur d) Pangasius 471. Which river system is the original habitat of IMC a) Indus b) Ganga c) Bhramaputra d) Narmada 472. Which is the head foot animal a) Garden snail b) F.W. mussel c) Sea mussel

d) Cuttle fish

473. Big eye tuna a) T. alalunga b) T. albacares c) T. Obesus

d) T. tonggol

474. Unio is a) Edible oyster

b) F.W. mussel c) F.W.snail

475. Mackerel is

30

d) Sea mussel

a) Rastrelliger b) Tirichurus

c) Both a & b

476. Pomfret is a) Pampus b) Rastrelliger c) Tirichurus 477. Marine cat fish a) Trachysurus b) Etroplus c) Thunnus 478. Exotic game fish a) Brown trout

b) Snow trout

d) None d) Harpodon

c) Masheer

479. Net for Bombay duck in Gujarat coast called a) Gill b) Dol c) Trammel

d) None

d) Tilapia

d) Trawl

480. Which aqua farming technique is most appropriate to utilize the autochthonous potentialities of beels a) Pen culture b) Duck cum fish culture c) Cage culture d) Pig cum fish culture 481. Scale less fish a) Scoliodon b) Singhi

c) Catla

d) Hilsa

482. Soil group most suitable for fish culture is a) Sandy soil b) Clayey soil c) Loamy soil

d) Silty clay soil

483. Oxygen depletion occurs mostly in pond having high density of a) Bacteria b) Insects c) Gastropods d) Macrophytes 484. The pH of solution indicates a) Acidity b) Alkalinity

c) Both a & b d) Ionic strength

485. Actual representative of true fish a) Jelly fish b) Cuttle fish c) Star fish

d) Dog fish

486. Demersal fish a) Flat fish b) Duck

c) Tuna

d) Anchovy

487. Predatory fish a) Catla b) Rohu

c) Mrigal

d) Seenghala

488. Groupers are a) Protandrous b) Hermaphrodite 489. Largest sized murrel a) Channa marulius c) C. Punctatus

c) Protogynous

d) None

b) C. Striatus d) C. gachua

490. Presence of barbs is characteristic features of a) Carps b) Cat fish c) Mullet

d) All fish

491. Exclusively marine family a) Cyprinidae b) Cobitidae

d) Muraenidae

c) Claridae

492. Fishes thrive best in aquarium having green hydrophyte because hydrophyte provides a) Food b) O2 c) CO2 d) Organic debris

31

493. Body cavity of shrimp is called a) Coelome b) Haemocoel c) Preudocoel 494. Natural anti-oxidant is a) α-tocopherol b) BHA

d) Gastrovasuclar cavity

c) BHT d) Ethoxynin

495. Gills in chondrichthys are a) Uncovered b) Covered

c) absent

d) None of the above

496. Which one is flying fish a) Torpedo b) Scoliodon

c) Anguilla

d) Exocoetus

497. Fish that can be used in biological control of mosquito is a) Carp b) Gambusia c) Singhi d) Eel 498. An aquatic animal which periodically casts of exoskeleton is a) Eel b) Clam c) Loligo d) Tiger prawn 499. Glochidium larvae is found in a) Pila b) Unio

c) Sepia

d) Loligo

500. Pearl is a secretion of a) Mantle b) Mouth

c) Kidney

d) None

501. Transparent juvenile of eel assemble from the river known as a) Elvers b) Spawn c) Fry d) Fingerling 502. GDP from fisheries of agricultural GDP is a) 3.6% b) 4.6% c) 5.6%

d) 6.6%

503. Hormone responsible for moulting of crustacea a) Testosterone b) Estrogen c) Ecdysone

d) Androgen

504. Diatoms used in shrimp larval rearing a) Chaetoceros b) Chlorella

d) Spirulina

c) Daphnia

505. Pigment found in aquatic animal a) Chlorophyll b) Haemoglobin

c) Astaxanthine

506. Preferred feed for grass carp is a) Fish meal b) Hydrilla c) Pelleted feed

d) None

d) Mustard oil cake

507. Aquatic insect of freshwater nursery are controlled by application of a) Soap oil emulsion b) Cow dung c) Ground nut oil cake d) Mustard oil cake 508. Laminaria is a) Fish

b) Sea weed

c) Clams

d) Mussel

509. Euchemia is a raw material for a) Alginb) Carrangenan c) Agar d) None 510. Which farming technology is eco-friendly and scientific a) Extensive b) Semi-intensive system c) Intensive system d) Super-Intensive

32

511. Which culture practice is adapted for culture of sea weed a) Pen culture b) Pond culture c) Cage culture d) Floating raft 512. Which culture technology is suitable for culture of sea bass a) Pen b) Cage c) Pond d) Floating raft 513. Most common mud crab species in India a) Portunus pelagicus b) P. Sanguinolentus c) Scylla trangubarica d) Uca annulipus 514. Which one is not an air breathing fish a) Clarius batrachus b) Clupisoma garua

c) A. testudiueus

515. White spot disease in shrimp is caused by a) Protozoa b) Virus c) Bacteria

d) Fungus

d) C. marulius

516. Which monogenean trematodes causes gill disease in carps a) Trichodina b) Dactylogyrus c) Costia d) Icthyobodo 517. Which parasitic group is responsible for the black spot disease in F.W fish a) Cestodes b) Monogenetic trematodes c) Digenetic trematodes d) Nematode 518. Disease in fishes caused by crustacean parasite is called a) Liqulosis b) Dactylogyrasis c) Argulosis d) Gyroductylosis 519. Disease caused due to saprolegnia is called a) Mycotic disease b) Protozoan disease c) Bacteria disease d) Metazoan 520. Which one is the primary producer in fish pond a) Daphnia b) Moina c) Chlorella d) None 521. Which one is blue green algae (BGA) a) Chlorella b) Navicula c) Microcystis d) Fragillaria 522. Which one is floating aquatic weed a) Water lilly b) Lotus c) Water hyacinth 523. Which is a member of zooplankton a) Closterium b) Pediustrum c) Enderina

d) Hydrilla

d) Daphnia

524. Which one is used as fish poison in nursery pond a) Mahua oil cake b) Ground nut oil cake c) Mustard oil cake d) Soyabean 525. Respiratory pigment found in fish is known as a) Haemocyanin b) Haemoglobin

c) Haemerythrin

526. Which fish act as scavenger a) Magur b) Catla

d) Silver carp

c) Rohu

527. Which one is pesticide a) Malathion b) Boran mixture

c) Sodium chloride

33

d) Urea

d) None

528. Who is the father of DNA finger printing a) Leuwen hock b) Aristotle c) Paul berg

d) Alecc Jeffery

529. Study of abnormal embryonic growth is called a) Teratology b) Carcinology c) Teleology

d) Geronotology

530. Which of the following is known as energy currency of cell a) DNA b) ATP c) RNA d) Vitamins 531. Which one is used for production of marine pearls a) Crastostrea madrasensis b) Perna viridis

c) Pinctada fucata

532. Which is an indigenous major carp a) Common carp b) Silver carp

d) Genetic carp

c) Grass carp

533. Which one form protein cover of virus a) Envelop b) Capsid c) Virion

d) Viroid

534. Bacteriophages area those which kill a) Virus b) Bacteria c) Fungi

d) Monera

535. Which one of the following is purine a) Cytosine b) Guanine c) Thiamine

d) Uracil

536. Functional protein is a) Collagen b) Vitamin c) Enzyme 537. RNA differ from DNA due to presence of a) Uracil b) Thiamine c) Adenine

d) None

d) Assein d) Guanine

538. The continental shelf area of the country approximately a) 0.5 million sq.km b) 0.7 million sq. km c) 1.0 million sq. km d) 1.5 million sq. km 539. Among the coastal states marine fish catch is highest in a) Andra Pradesh b) Goa c) Gujarat d) Karnataka 540. Inland fish production highest in a) Bihar b) Ardra Pradesh 541. Which one is the sign of diseased fish a) Bright colouration b) Eroded skin

c) Orissa

d) West Bengal

c) Absence of spot

d) Normal swimming

542. DNA finger printing the sequence which matcher are a) Minisatellite DNA b) Moderately repetition sequence c) Microsatellite DNA d) Satellite DNA 543. For DNA finger printing DNA is obtained a) White blood capsule b) Hear root cell c) Body seer d) All the above 544. Antibiotics are mostly prepared from a) Fungi b) Actinomyces

c) Cyanobacteria

34

d) Both a& b

545. Genetic engineering is related to a) Mitotic division of cell b) Deletion and repair of mechanisms c) Nucleotide transfer d) None 546. Hormone are produced by a) All steroid b) All protein

c) Some steroids and some protein

d) None

547. The protein of the sea ading the coast line and the falling with in depth line is called a) Coastal water b) Off shore water c) Oceanic water d) None 548. The sea fishes during close to sea bed are called a) Pelagic b) Demersal c) Columnar d) None 549. Pearl spot is the common name a) Anabas testudineus b) Uca annulipus

c) Etroplus suratensis d) None

550. Probiotics are commonly used in shrimp farming for a) Water quality management b) Increasing oxygen level c) Control disease d) None 551. Which causes luminescent disease a) Virus b) Bacteria c) Protozoa

d) Fungi

552. Which one is agar yielding sea weeds a) Sargassum b) Ulva c) Enteromorpha

d) Gracillaria

553. Which one is green seaweed a) Ulva b) Sargassum c) Laminaria d) Undaria 554. The omega -3 fatty acid is a) Palmitic acid b) Stearic acid c) Linolenic acid d) Oleic acid 555. Which algae causes toxicosis and disturbance on oxygen balance a) Microcystis b) Chlorella c) Chlamydomonus d) Nitzhia 556. Which one is termed live fish a) H. fossilis b) C. catla

c) L. rohita

d) C. mrigal

557. Which of the following is called a Banana shrimp a) P. semisulcatus b) P. merguiensis c) P. indicus

d) None

558. Which is called as mango fish a) Polynemous paradiscus

b) P. indicus

c) P. sexataris

d) P. heptadactylus

559. Common carp eggs are a) Demersal b) Pelagic

c) Adhesive

d) None

560. Most of carp spawn produced in India a) Circular hatchery b) Conventional

c) Jar hatchery d) Earthen pit

561. pH for carp culture a) 8-8.6 b) 4-5

d) 7-11

c) 5-7

562. Rostrum triangular shape in which shrimp a) P. merguensis b) P. monodon c) P. indicus

35

d) M. affinis

563. Best feed for milk fish a) Lab lab b) Zooplankton

c) Detritus

d) Phytoplankton

564. Optimum stocking density of carp spawn a) 5-10 million b) 10-20 million

c) 0.5 – 1 million

565. Exotic fish in India a) Catla b) Rohu

d) Mugil cephalus

c) Puntius sp

566. Indian river shad a) H. ilisha b) Kovala koval

c) Channa marulius

567. Pokkali field in India a) Andra Pradesh

c) Kerala

b) Karnataka

d) None

d) Maharastra

568. Bio fertilizer used in aquaculture in India a) Azolla b) Lemna c) a & b

d) None

569. Hill stream fishes a) Rohu b) Trout

c) Catla

d) Mrigal

570. Fecundity of P. monodon a) 1 lakh b) 2 lakh

c) 4 lakh

d) 5 lakh

571. South American catfish a) C. punctatus b) C. batrachus

d) 200-30 million

c) a & b

d) None

572. In controlled condition carp eggs hatch out within a) 15 hours b) 9 hours c) 48 hours d) 58 hours 573. Colour of fertilized egg in catla a) Yellow b) Deep orange

c) Light green

574. Silver carp basically a) Surface feeder

c) Bottom

b) Column

575. Favourable feed for Ctenopharyngodon idella a) Phyto plankton b) Zooplankton 576. Best live feed for giant prawn a) Chetoceros b) Artemia naupli

d) None

c) Aquatic weed

c) Brachionus d) None

577. Integrated fish farming is widely practiced in a) India b) Japan c) China

d) None

578. P. japanicus family a) Penaeid b) Pandolidae

d) None

c) a & b

d) Whitish

579. Scientific name of Banana shrimp a) P. merguiensis b) Metapenaeus affinis c) a & b

36

d) None

d) None

580. Stocking density of M. rosenbergii in grow out a) 40000-50000 PL/ha b) 30000-40000 PL/ha c) 25000-30000 PL/ha d) 50000-60000 PL/ha 581. Main live food used in shrimp zoea a) Moina b) Chaetoceros

c) Artemia

d) None

582. Number of maturity stages in shrimp a) 4 b) 6 c) 8 d) 3 583. Commonly used inorganic fertilizer used in carp pond a) Super phosphate b) Ammonia c) a & b 584. Fringed lips is present in a) Rohu b) Catla

c) a & b

d) None

d) None

585. Fingerling stocking density in composite fish culture a) 5000-10000 b) 10000-20000 c) a & b

d) None

586. Indian river prawn a) M. rosenbergii

d) None

b) M. malcomsoni

587. Seer fish is also known as a) King fish b) King of fish

c) a & b

c) Salai

d) None

588. Pen culture is practiced in a) Pulicat lake b) Chilka lake c) Koleru lake d) Vembanad 589. Fertilized egg size of common carp a) 0.9mm b) 1.6 mm c) 2.5 mm d) 3.5mm 590. Fresh water mussel for pearl production a) Lamellidens marginalis b) Pinctada fucata c) a & b 591. Bheries are present in a) W. Bengal b) Bihar

c) Tripura

592. Toxic algae present in pond a) Microcystis b) Macrocystis

d) Kerala c) a & b

593. Mahua oilcake cake quantity used in pond preparation a) 2500kg b) 200kg c) 20kg d) 4000kg 594. Scientific name of milk Fish a) Chanos chanos b) Elops machnata c) Saurida tumbil d) None 595. Anchor worm a) Lernea b) Argulus

d) None

c) a & b

d) None

596. Pomfrets are always graded as a) Pounds b) U/10 c) 10-20

d) 20-30

597. Saponin is always extracted from a) Sea horse b) Sea urchin c) Holothuria d) None

37

d) None

598. Most suitable shrimp sp in India to culture a) P. monodon b) P. indicus c) a & b

d) None

599. If cephalothorax portion is removed from the shrimp the following may be yield a) 40% b) 45% c) 60% d) 80% 600. For development of fishery in small reservoir which most suitable technique a) Culture based fishery b) Capture fishery c) a & b d) None 601. Which types of cell division takes place in gonads a) Mitosis b) Amitosis c) Meiosis d) Both a and b 602. Fish spp. likely to be in danger of extinction in the near future are a) Endangered b) Rare c) Vulnerable d) None 603. For control of EUS which one is used a) CIFACA b) CIFAMA c) CIFAX (0.1 ppm)

d) CIFAPRA

604. A compound produced by an organism that inhibits the growth of another microorganism is called a) Antiseptic b) Antibiotic c) Anticoagulant d) Antibodies 605. The excreting organ is called a) Malpighian tubule b) Nephridia

c) Green glands

d) Kidney

606. Which one is mainly responsible for growth in fishes a) Starch b) Vitamins c) Amino acid d) Fatty acid 607. Ideal depth for a brackish water fish pond a) 1.5m b) 1m c) 3m d) 4m 608. Profitability of a shrimp farm depends on a) Capital b) Seed c) Feed

d) All

609. Cryoprotectant used in fishes a) Methanol b) Glucose

d) Glycerol

610. Human tape worm a) Bothriocephalus

c) Propandiol

b) Diphyllobothrium

c) a&b

d) None

611. The ornamental fish which is banned in India is a) Discus b) Oscar c) Piranah d) Peacock cichlid 612. Breeding traps are generally used for a) Goldfish b) Danio c) Livebearers d) Anabantids 613. The tank should be darkened for the breeding at a) Rosy barb b) Zebra danio c) Neon tetra d) Tiger barb 614. Dorsal fin is absent in the case of a) Lion head gold b) Celestial gold

c) Moord Common gold

615. The fish which feeds on their own young ones a) Discus b) Fighter c) Swordtail

d) Tetras

38

616. The sex ratio for goldfish breeding a) 1:2 b) 2:1 c) 1:1

d) 2:2

617. Velvet disease is caused by a) Protozoan b) Bacteria

d) Fungi

c) Leeches

618. Which of the following gives the feeling of the presence of and grains a) Loamy soil b) Sandy soil c) Silty soil d) Clayey soil 619. If the diameter of soil particles is less than 0.002mm, the soil will be a) Silty b) Clayey c) Sandy d) Gravelly 620. While studying the textural group of a soil sample, the relative proportion of different-sized particles was found to be 50% sand and 50% clay or silt or both; the soil will be a) Loamy b) Silty c) Sandy d) Loamy-Sandy 621. The soil phosphorus level (P2O5) less than 30ppm is indicative of a) Poor production b) Average production c) High production d) No production 622. India Major Carps thrive well at temperatures between a) 20-37oC b) 35-40oC c) below 20oC 623. Application of Gypsum in a pond corrects the a) pH b) Alkalinity c) Hardness

d) above 40oC

d) Turbidity

624. ‘Secchi disc’ is used to measure a) Transparency b) Hydrogen-ion-concentration c) Alkalinity d) Hardness 625. The most common method of correcting the low pH, is a) Addition of Gypsum b) Liming c) Addition of oil cake d) Organic Manure 626. Which hardness value will be considered suitable for growth of fish a) 15ppm or above b) Less than 10pp c) Less than 5ppm d) 10ppm to 12ppm 627. The animals which are relatively large and powerful, and can combat water currents, are called a) Neuston b) Nektons c) Planktons d) Swimmers 628. The ‘Epifauna’ and ‘Infauna’ are related with: a) Neustons b) Nektons c) Benthos d) Profundal fauna 629. ‘Episammic’ form is that which grows on: a) Surface of water b) Plants c) Rocks

d) Sand

630. Which is called as ‘Water milfoil’: a) Hydrilla b) Salvinia c) Myriophyllum

d) Jussiaea

631. ‘Cattail’ is the common name for: a) Typha b) Vallisaneria

d) None

c) Pistia

632. Which one of the following is a Marginal Emergent Weed:

39

a) Vallisneria

b) Typha

c) Eichhornia

d) Hydrilla

633. Which one of the following is a ‘Desmid’: a) Cosmarium b) Navicula c) Coelastrum d) Pediastrum 634. Diatoms belong to a) Xanthophyceae c) Bacillariophyceae 635. Microcystis is a a) Green Algae c) Brown Algae

b) Myxophyceae d) Dinophyceae b) Blue-Green Algae d) Dinoflagellate

636. Which one of the following is Dinoflagellate a) Chlamydomonas b) Peridinium

c) Volvox

d) Eudorina

637. ‘Sun Animalcule’ is the common name for a a) Protozoan b) Molluscan c) Coelenterate d) Crustacean 638. ‘Wheel – Animalcules’ belong to: a) Insect b) Rotifera c) Porifera

d) Trematods

639. Which one of the following is of ‘Bugs’ a) Aelosoma b) Moina c) Brachionous d) Piscidium 640. ‘One – Eyed giant’ is the name for: a) Daphnia b) Cyclops c) Euglena

d) None

641. ‘Dragon Flies’ belong to: a) Zygoptera b) Anisoptera

d) Plecoptera

c) Diptera

642. Which set of the following is to ‘Bugs’: a) Gernis, Notonecta, Ranatra, Lacctrephes b) Gernis, Notonecta, Cyclops, Cybster c) Ranatra, Corixa, Cybister, Hydaticus d) Notonecta, Hydrometra, Daphnia, Cybister 643. ‘Beetles’ belong to order: a) Orthroptera b) Hemiptera

c) Coleoptera

644. Which one of the following is called ‘Water Boatman’ a) Coxia b) Nepa c) Notonecta

d) Diptera

d) Gerris

645. To hold the water at a definite level in a pond and also to serve as a causeway, it is essential to construct a: a) Spilway b) Monk c) Sluice d) Dike 646. ‘Freeboard’ is the term used with reference to the construction of a) Dike b) Spilway c) Screen d) Sluice 647. The conjugated proteins which determine heredity is a) Pyrimidine b) Purine c) Both a & b d) None 648. Adenine is an example of a) Pyrimidine b) Purine

c) Both a & b

d) None of these

40

649. Commonly DNA contains _________ different types of nucleotides a) 1 b) 3 c) 4 d) 5 650. Between A and T in the double stranded DNA there are ---- hydrogen bonds a) 4 b) 2 c) 3 d) None 651. In the DNA double helix it takes _________ for one complete turn a) 44Ao b) 35Ao c) 34Ao d) 36Ao 652. The same word “parthenogenesis” in fish seed production is a) Induced breeding b) Stripping method c) Gynogenesis 653. Cryo preservation fish egg can not be done because of a) Large size b) High water content c) High fat

d) Cytogenesis

d) Yolk

654. A substance that causes a specific immune response in an animal a) Bacteriocin b) Probiotics c) Vaccine d) Antigen 655. A gene whose over activity causes cells to become cancerous as a) Super gene b) Oncogene c) Autogene d) Progene 656. The fish which is mutual to see anemone a) Pentamer b) Tetramer c) Trimer

d) Dimer

657. Antibody molecules in fish are a) Pentamer b) Tetramer c) Trimer

d) Dimer

658. Primers are a) Douoble stranded RNA molecules c) Single stranded short oligobucleotides

b) Single stranded RNA molecules d) Double stranded short oligonucletides

659. Defence mechanisms in shrimp does not include a) Encapsulation b) Prop PO system c) Complement fixation d) Phagocytosis 660. Parasite responsible for fungal infection is a) White spot syndrome virus b) Ichtyophonus hoeferi c) Ichthyophthirius multifilis d) Myxosoma cerebralis 661. Recommended treatment for fungal infection is a) Tetracycline b) Ozone c) chlorine d) Formalin 662. Epizootic ulcerative syndrome in fish is spread due to a) Saprolegnia b) Aphanomyces c) Achyla

d) Branchyomyces

663. Enzyme of retroviruses, which is essential for their replication a) RNA dependent RNA polymerase b) Reverse transcriptases c) DNA gyrase d) Taq DNA polymerase 664. Aggregates of macrophages in haematopoietic tissues of fish having pigment granules a) T helper cells b) Plasma cell centers c) Melanomacrophage centers d) Phagocytic macrophages

41

665. Attachment of --------- on a particle / antigen can activate the phagocytic activity in fish a) Antibody b) Adjuvant c) Complement d) Interferon 666. Substances istered along with antigens to increase the antibody production a) Vaccines b) Adjuvants c) Trans ferrin d) Antibiotics 667. Organism causing bacterial haemorrhagic septicaemia a) Lernea b) Costia c) Pseudomonas

d) Mycobacterium

668. Viruses at present are grown in the laboratory by a) Egg inoculation b) Agar plates c) cell culture d) Broth culture 669. Pathological changes of the gills include a) Hyperplasia b) Ulcer c) Lithiasis d) None 670. Primary lymphoid organ in fish a) Intestine b) Bone marrow

c) Thymus

671. Which is capable of phagocytosis a) Neutrophil b) Thrombocyte

c) Plasma cell

d) Pancreas d) Erythrocyte

672. Pseudo-tuberculosis is caused by a) Pasteurella b) Aeromonas

c) Vibrio

673. One of the notifiable disease as per OIE a) Viral haemorrhagic septicaemia c) Whirling disease

b) Vibriosis d) Black gill disease

d) Nocardia

674. PUFA which reduce cholesterol & coronary disease a) Docasapentaenoic acid b) Eicospentanoic acid c) Glycerol d) None 675. Range of salinity for fresh water aquaculture a) <0.5‰ b) 0.5-1‰ c) 1-15‰

d) None

676. Range of salinity for brackish water aquaculture a) 0.5-20% ‰ b) 0.5-10‰ c) 0.5 – 30 ‰

d) 1-30 ‰

677. Range of salinity for Mariculture a) 30 - 35 ‰ b) 20-25‰

d) 30-40‰

c) 35-40‰

678. Range of salinity for Metahaline a) >25‰ b) >20‰ c) >35 ‰

d) 30‰

679. Species cultured mostly in pen are a) Chanos chanos b) Lates calcarifer c) Mugil cephalus d) All 680. Pole culture is mainly for a) Mussel b) Lobster

c) Crab

d) None

681. Salinity of super saline salt pan a)100 ‰ b) 150 ‰ c)100-150 ‰

d) >200 ‰

682. Species mainly culture in supersaline area

42

a) Artemia salina (brine shrimp) c) Spirulina

b) Daphnia d) None

683. Faster growing species among IMC is a) Rohu b) Catla c) Silver carp 684. Maximum size of catla is a) 2.0 m b) 1.4 m

c) 1.5 m

685. Tastiest species among IMC is a) Catla b) Grass carp

d) Mrigal d) 1.8m (45 kg)

c) Mrigal

d) Rohu

686. Maximum size of Rohu is a) 1 m b) 2m

c) 1.5 m

d) 2.5 m

687. Maximum size of Mrigal is a) 0.5m b) 0.6m

c) 0.8 m

d) 0.9m

688. Silver carp fed on phytoplankton of size a) >0.025 mm b) <0.25 mm

c) <0.025 mm

689. Maximum size of silver carp a) 60 cm b) 100 cm

d) 50 cm

c) 60 cm

690. Artificial breeding of silver carp success in a) 1961 b) 1952 c) 1960 691. Maximum size of Grass carp a) 2.0 m b) 1.5 m (30 kg)

d) <0.25 mm

d) 1962

c) 2.5 m

d) 1.0 m

692. Common carp, silver carp, grass carp are Collectively called as a) Sanitary fish b) Larvicidal fish c) Tastiest fish d) None 693. Maximum size of Black rohu a) 1.5 m b) 2.0 m

c) 2.5 m

d) 1 m

694. Maximum size of cauvery carp (L) fimbriatus) fringe lipped carp a) 1 m b) 90 cm c) 50 cm d) 2 m 695. Cauvery carp is distributed mainly in a) South Indian river b) North Indian water c) South East Indian river d) None 696. Maximum size of white carp (cirrhinus cirrhosa) a) 90cm b) 50 cm c) 45 cm d) 60 cm 697. Sarana is mainly found in a) South Indian river b) East Indian river

c) a & b

d) None

698. Largest catfish is a) Wallago attu (2m – max)

c) a & b

d) None

b) Clarius

699. It is a genetic process by which message from the DNA which remains in coded form is transfers to mRNA is called

43

a) Transcription

b) Translation c) a & b

d) None

700. Purines are a) Guanine & Cytosine c) Adenine & Thiamine

b) Cytosine & Thinamine d) Adenine & Guanine

701. Pyrimidine are a) Adenine & Thiamine c) Adenine & Guanine

b) Cytosine & Thiamine d) None

702. Nucleoside refers a) Sugar + Phosphate c) Base + Sugar

b) Base + Phosphate d) Base + Sugar + Phosphate

703. The bond between bases & sugars a) Glycosylic b) Glycosidic bond c) Hydrogen bond d) a & b 704. If the sugar is deoxyribose then the compounds are called a) Ribonucleotides b) Deoxyribopeptide c) Deoxyribonucleotides d) None 705. Nucleotide a) Sugar + Phosphate c) Base + Sugar

b) Base + Sugar + Phosphate d) Base + Phosphate

706. The repeating monomers of DNA or RNA are represented by a single letters a) A b) T c) G d) All 707. In the double Helix structure Purine & Pyrimidine pair is such that a) Guanine pairs with cytosine b) Adenine pairs with thymine c) a & b d) Guanine Pairs with adenine 708. The different forms of nucleic acid double helix structures are a) A helix b) B helix c) Z helix d) All 709. SINES refers a) Short Interspersed Nucleic Elements c) Shelf interspersed nucleic acid 710. LINES refers a) Left interspersed Nucleic elements c) Line inter space elements

b) Short inter nucleic elements d) None

b) Long Interspersed Nucleic Elements d) None

711. It consists of sequence from a few hundred base pairs is a) SINES b) LINES c) SNP d) RFLP 712. It consists of sequence between 1 & 5 thousand base pairs is a) SINES b) CODON c) SNP d) LINES 713. SNP a) Simple Nucleo phosphate c) Single nucleotide polymorphism

b) Short nucleotide polymorphism d) None

44

714. RFLP a) Replication of Fragment Length Polymorphism b) Restriction Fragment Length Polymorphism c) Restricted Fragment line Polymorphism d) None 715. Any piece of DNA which replicates a single unit is called a) Seine b) Lines c) Codon d) Replican 716. The initiation of a DNA replication within a replican always occurs at a fixed point known as a) Origin b) Base c) Apex d) None 717. DNA is only of a) Two type b) One type

c) 3 type

d) None

718. RNA types include a) mRNA b) tRNA

c) rRNA

d) All

719. RNA does not a) Transcribe

b) Replicate

c) a & b

720. DNA consists of a large number nucleotides up to a) 2.5 million b) 3 million c) 40 million 721. RNA concentration of fish nucleotides up to a) 10,000 b) 15,000 c) 12,800 722. A unit of recombination gene a) Recon b) Replican c) Cistron

d) None d) 4.3 million

d) 13,000 d) All

723. Gene as a unit of mutation is called a) Replican b) Cistron c) Muton

d) a& b

724. Gene as a unit of function is called a) Replican b) Cistron c) Muton

d) a& b

725. The operon model to explain the control of gene activity a) Jacob & Monald (1961) b) M.F. Maury c) Edward Forbes

d) None

726. The relationship between the sequence of bases in DNA / RNA and the sequence of amino acids in a polypeptide chain is called a a) Codon b) Transcription c) Genetic code d) None 727. The average annual per capita fish consumption is a) 15 kg b) 10 kg c) 2 kg d) 5 kg 728. Example for Predatory – prey culture is a) Murrel – tilapia b) Murrel – catfish

c) Catla – Murrel

729. Silver carp introduced in India during a) 1939 b) 1959 c) 1961

d) 1957

730. Chinese carp was introduced in India in a) 1958 b) 1948 c) 1939

d) 1937

45

d) None

731. Labeo calbasu is commonly known as a) Sanitary fish b) White rohu

c) Black rohu

732. L. fimbriatus (fringe-lipped carp) is commonly known as a) Cauvery carp b) Big mouth carp c) White carp 733. Example for fresh water shark is a) Cirrhinus cirrhosa b) Heteropneustes fossilis

d) None d) None

c) Wallago attu

d) None

734. A platform – like space between bund and watery area known as a) Berm b) Bench line c) Dike d) & b 735. A mixture of silt, sand and clay in the ratio of a) 1:3:2 b) 1:2:3 c) 1:2:1

d) 1:3:1

736. Temporary algal bloom forming in the pond waters include a) Euglena b) Chlamydomonas c) Volvox d) All 737. Example for filamentous algae a) Spirogyra b) Nitella c) a & b

d) None

738. Leaves float above the surface and the roots underneath a) Floating weeds b) Emerged weeds c) Submerged weeds 739. Example for Emerged weeds a) Nymphaea b) Nymphoides c) Myriophyllum

d) All

740. Example for floating weeds a) Eichhornia b) Lemna

d) All

c) Pistia

d) None

741. Roots are attached to the bottom and leaves freed float on the surface a) Floating weeds b) Emerged weeds c) Submerged weeds d) Marginal weed 742. Example for rooted submerged weeds a) Vallisneria b) Hydrilla c) Najas

d) All

743. Example for rootless submerged weeds a) Utticularia b) Ceratophyllum c) a & b 744. Example for marginal weeds a) Marsilia b) Jussiaea

c) a & b

d) None

745. The common weed fish species are a) Puntius ticto b) P. sarana c) Rasbora danicoius 746. Derris root powder contain a) Rotenone b) Saponin

c) a & c

d) None

d) All

d) None

747. Derris root powder causes damage to a) Circulatory system b) Respiratory system c) Digestion system 748. Effective dosage of derris root powder is a) 5-10 ppm b) 10-15 ppm c) 8-12 ppm

d) None

46

d) All

749. Saponin causes a) Haemolysis of white blood corpuscles c) Respiratory system

b) Haemolysis of red blood corpuscles d) None

750. Amount cobalt chloride per kg feed may enhance the growth rate and survival (> 90%) of fish) a) 1 mg b) 1g c) 2 mg d) 5g 751. The standard combination of NPK as is generally recommended is a) 18 : 10 : 4 b) 10:8:4 c) 9:6:2 d) None 752. The Brazilians were the first to use hypophysation successfully in pond fish culture as early as a) 1936 b) 1934 c) 1942 d) 1957 753. India was the third country to apply hypophysation technique successfully in IMC and Chinese carps during ------ and ------- respectively a) 1942, 1957 b) 1957, 1934 c) 1957, 1962 d) None 754. Detecting the state of gonadal maturation in female breeders by a) Catheterization b) Hypophysation c) Immobilization

d) All

755. The average fecundity of IMC at about a) 2 lakh eggs / kg b) 5lakh egg/kg c) 10 lakh eggs/kg d) None 756. Mirror carp is introduced into Nilgris during a) 1939 b) 1941 c) 1938

d) None

757. Which one is Doctor fish a) Tench (Tinca tinca) b) Troutc) Garra

d) All the above

758. Indian trout is a) Barilius bola

c) Plychobarbus

b) Schizothorax

d) None

759. In the aquarium ammonia concentration is beyond --------- is toxic to fish a) 1.5 mg/l b) 0.2mg/l c) 0.5 mg/l d) 1.0mg/l 760. Aquarium fish may excrete ammonia in the range of a) 0.3 – 4.0 g/kg fish / day b) 0.2-4.0g/kg fish /day c) 1.0-5.0g/kg fish/day d) None 761. Tilapia (Oreochromis mossamibicus) introduced in India from East coast of Africa is a) 1958 b) 1952 c) 1937 d) 1942 762. Fin and tail rot produced by a) Nematodes b) Fungi

c) Bacteria

d) All

763. Sign of Dropsy is a) Open sores or ulcers on the body b) Accumulation of fluid inside the body cavity c) Scale protrusion; exophathalmic condition d) b & c 764. Treatment for Dropsy disease is

47

a) Dip treatment in 5 ppm Kmno4 solution for 2 min b) Chloromycetin bath for 1 hour c) 1 min dip treatment in 50 ppm Kmno4 solution d) All 765. Costiasis is caused by a) Bacteria b) Fungi

c) Protozoans

d) Nematodes

766. The most important game and food fish transplanted in India in a) Trout b) Mirror carp c) Tench d) All the above 767. Suitable pH for the spawning of major carp is a) 7.5 – 8.3 b) 6.5 – 7.5 c) 8.5 – 9.5

d) None

768. Sequencing of triple bare in mRNA which specify amino acid is called a) Muton b) Cistron c) Codon d) LINE 769. The total genetic contribution of organism is called a) Genome b) Codon c) a & b d) None 770. The effect of a single gene upon two or more characters which are not related is called a) Mutation b) Pleiotropism c) Sex reversal d) None 771. Process of hormone injection for the induce breeding of fish is called a) Hypophysation b) Catheterization c) Irradiation d) All 772. Successful long term storage of spermatozoa has been achieved by a) Mounib et al (1968) for cod (Gadus morhua) b) Johannes Schmidt c) Jacob d) Peter 773. First genetic studies on colour pattern of Poecillia reticulata were performed by a) Mounib b) W.S. sutton c) Johannes Schmidt d) Jacob 774. Hypothesis of chromosome as physical basis of heredity was proposed by a) W.S.Sutton (1902) b) Johannes c) Jacob d) None 775. Sex-linked inheritance in fish was first described by a) Jacob b) Johannes c) Johannes schmidt 776. Origin of Penculture is a) China b) Brazil

c) India

d) None

d) Indonesia

777. Protein requirement of M. rosenbergii larvae is a) 40-45% b) 45-50% c) 50-55% d) 30-40% 778. Dropsy is caused by a) Aeromonas hydrophilla c) Saprolegnia

b) Pseudomonas punctata d) a & b

779. Origin of cage culture is a) China b) America

c) Cambodia

d) None

780. Eggs of IMC is a) Demersal b) Pelagic

c) Transparent

d) a & b

48

781. Brackish water aquaculture originated in a) a & b b) Russia c) Indonesia

d) China

782. Species extensively cultured in cage of Japan is a) Yellow tail b) Catla c) Murrel d) Mullet 783. Hormones were used in breeding of fish for the first time by a) American b) Indian c) a & b d) Russian 784. Egg membrane is also called a) Oolema b) Aliquot

c) a & b

d) None

785. Protection of all female by mating maternal chromosomes a) Parthanogenesis b) Gynogenisis c) Androgenesis

d) None

786. Protection of all male by mating maternal chromosomes a) Gynogenis b) Parthanogenesis c) Androgenesis

d) None

787. Cryopreservation is done only a) Sperm b) Egg

c) a & b

788. Sperm + Extender solution is called a) Immunostimulant b) Aliquot

d) None c) Probiotic

d) None

789. Function of Cryoprotectant a) Minimizing freezing of fluid b) Check the formation of lethal concentration of electrolyte c) a & b d) None 790. Ratio of milt and extender solution in marine fish is a) 1:4 b) 1:3 c) 2: 1 d) 1:2 791. Ratio of milt and extender solution in fresh water fish is a) 1: 4 b) 1:3 c) 2:1 d) 4:1 792. Dissolution of genetic material is called a) Mutation b) Pleiotrophism c) Pyknosis 793. Largest area for shrimp farming in India is a) Tamil Nadu b) West Bengal 794. Soil practice are called a) Regoliths b) Corixa

d) None

c) Kerala

c) Monk

d) None

795. Best material for dyke construction is a) Sandy clay b) Loamy soil

c) Sandy soil

796. Carp dies at pH a)< 4 b) >11

d) 7.5

c) a & b

797. Soil having equal proportion of sand silt and clay is called a) Sandy soil b) Loamy soil c) clay soil d) None

49

d) cochin

d) None

798. The use of hormone injection (induced breeding) start first time in a) Brazil (1932) b) Russia c) China d) Cambodia 799. Cell culture medium used in fish cell culture are a) L-15 b) RPM11640 c)M199, MEM

d)All

800. Cloning vectors which are used in recombinant DNA technology are a) Plasmids, bacteriophages b) Cosmids c) Viruses d)All 801. Malathion dosage for Argulosis disease in fish a) 0.25 ppm b) 2ppm c) 1ppm

d) None

802. In culture shrimps, feeding rate is adjusted based on a) Estimated survival b) Feed consumption c) Individual body weight d) All 803. Match the following a) C. carpio var specularis b) C. carpio var nudus c) C. carpio var communis d) L. konitus e) Cirrhinus cirrhosa

- Leather carp (Large shiny & scattered scales) (c) - Pig mouth carp (d) - Mirror carp (a) - White carp (e) - Scale carp leathery appearance due to absence of scale (b)

804. a) Murrels b) Channa marulius c) C. striatus d) Salmo trutta fario e) Salmo gairdneri gairdneri

- Giant snake head - Striped snake head or common murrel - Brown trout - Rainbow trout - Snake heads

805. a) Mahseer b) Pearl spot c) Milk fish d) Giant murrel e) Tor tor

- Etroplus suratensis - Chanos chanos - T. putitora - Red finned mahseer - Channa marulius

(b) (c) (a) (e) (d)

806. a) Protozoan disease b) Bacterial disease c) Mycotic disease d) Gill rot disease e) I. putitora

- Haemorrhagic septicemia - Saprolegniasis - Branchiomycosis - Yellow finned mahseer - Trichodinosis

(b) (c) (d) (e) (a)

807. a) Horse mackerel - Mid water trawl b) Tuna - Purse seine c) Seer fish - Bottom trawl d) Shrimp - Chocolate mahseer e) Acrossocheilus hexagonolepis - Pole and line

(c) (a) (d) (e) (b)

808. a) Frog b) Snow trout c) Air breathing fish d) Sea cucumber e) Carp

(c) (a) (d) (e) (b)

- C. batrachus - Rana tigrina - H. Scabra - C. mrigal - Schizothorox sp

50

(b) (c) (d) (e) (a)

809. a) Chaetoceres b) Spirulina c) Dunaliella d) Porphyra e) Chlamydomonas

- Nori - Algae rich in vitamins - Bacillariophyta - Chlorophyta - Algae rich in Protein

810. a) Hammer-head shark b) Indian lemon shark c) Tiger shark d) Long-nosed shark e) Black-fin reef shark

- Negapriom acutidens - Charcharhinus hemiodon - Charcharhinius melomopterus - Spyrna diplana - Galeocerdo cuvieri

811. a) White bait b) Gizzard shad c) Indian anchovy d) Round –tail needle fish e) Moontail sea bass

- Stolephorus indicus - Sprateloides deticatulus - Strongylura strongylura - Variola louti - Amodontostoma chacunda

(c) (a) (d) (e) (b)

812. a) Indian thread fin b) Yellow tail scad c) Indian scad d) Dolphin fish e) Moonfish

- Coryphaena hippurus - Mene maculata - Atule mate (b) - Decapterus russelli (c) - Alectis indicus (a)

(d) (e)

813. a) Red tide b) Red seaweed c) Brown seaweed d) Parasitic fungus e) Parasitic protozoa

- Gracillaria - Dinoflagellate - Vorticella - Saprolegnia - Sargassum

(b) (a) (e) (d) (c)

814. a) Flower tail prawn b) Banana prawn c) White prawn d) Tiger prawn e) Green tiger prawn

- P. indicus - M. dobsoni - P. monodon - P. Semisulcatus - P. merguensis

(c) (a) (d) (e) (b)

815. a) Blue mussel b) Edible oyster c) Brown mussel d) Blood clam e) Green mussel

- M. metacutti - M. edulis - Anadora granosa - Perna viridis - Crassosterra madrasensis

(c) (a) (d) (e) (b)

816. a) Catla catla b) L. rohita c) T. putitora d) Cyprinus carpio

- Mahseer - Catla - Common carp - Rohu

(c) (a) (d) (b)

817. a) Thread fins b) Sea – eel c) Silver bellies d) White fish e) Bombay duck

- Harpodon neherius - Polynemus indicus - Lactarius lactarius - Muraena punctata - Leiognathus equatus

(e) (a) (d) (b) (c)

51

(d) (c) (a) (e) (b) (b) (d) (e) (a) (c)

818. a) Giant murrel b) Milk fish c) Climbing perch d) Grey mullet e) Pearl spot

- Anabas testudineus - Channa marulius - Mugil cephalus - Etroplus suratensis - Chanos chanos

(c) (a) (d) (e) (b)

819. a) PAHS b) Lipids c) BV d) EPA e) DHA

- Carbon with 6 double bond - Biological value - Carbon with 5 double bond - Poly aromatic hydrocarbons - Triglycerides

(e) (c) (d) (a) (b)

820. a) Megalopa b) Mysis c) Spawn d) Cyst e) Eyed ova

- Artemia - Crab - Shrimp - Trout - Carp

(d) (a) (b) (e) (c)

821. a) White shrimp b) Mullet c) Sea bass d) Flower e) Tiger 822. a) FAD b) FCR c) GSI d) MSY e) PL

- P. mondon - P. japanicus - Lates calcarifer - P. indicus - Mugil cephalus - Fish yield - General yield - Aggregations of fish - Life stages - Feed

(e) (d) (c) (a) (b) (d) (c) (a) (e) (b)

823. a) Deep sea spiny lobster - Panulirus longipes b) Pointed spiny lobster - Thenus orientalis c) Long – legged spiny lobster - Puerulus sewelli d) Sand lobster - Panulirus homarus e) Aquaculture authority of India - Chennai

(c) (d) (a) (b) (e)

824. a) Fish farmers day b) World fisheries day c) Ipomea d) Hydrogen peroxide e) Calcium sulphate

- Disinfectant - July 10 - November 21 - Gypsum - Morning glory/Marginal weed

(d) (a) (b) (e) (c)

825. a) Shell fish parasite is b) Live feed for prawns c) Fishes with chin barbels d) ICLARM head quarters e) Head quarters of NACA

- Malaysia, phillipines - Lernaea - Artemia - Bangkok, Thailand - Cat fish

(d) (a) (b) (e) (c)

826. a) Eel larvae - Digenian trematode b) Luminous bacterial disease - Mother of offspring c) Cotton shrimp disease - Vibiro harveyi d) Vertical transmission of disease - Leptocephalus e) Black spot disease in fish - Microsporean

(e) (d) (b) (a) (c)

827. a) Immunoglobulin in fish

(e)

- Virus

52

b) Aflatoxin c) Furunclosis d) TCBS agar e) L-15 medium

- I gM - Aspergillus - Aeromonas salmonicida - Vibrio

828. a) Gill rot b) Bacterial kidney disease c) Yellow head disease d) Blue green algae e) Azolla weed

- Fix the nitrogen - Bio-fertilizers - Renibacterium - Virus - Branchiomyces

829. a) BV b) PUFA c) PER d) NDGA e) BKD

- Protein efficiency - Biological value of feed - Renibacterium - Polyunsaturated lipid - Nor diuretic acid

830. a) Mussel b) Microalgae c) Blood clam d) Sodum Chloride e) Calcium hypochlorite

- Chlorella salina - Algal control - Anadora granosa - Parasite - M. edulis

831. a) The arm ratio for the subtelocentric chromosome b) The arm ratio for the telocentric chromosome c) The arm ratio for the metacentric chromosome d) The arm ratio for the submetacentric chromosome e) Treatment of water 832. a) Agriculture b) Aquaculture c) Bionomics d) Biometrics e) Bioenergetics

(a) (b) (c) (d)

(d) (e) (b) (c) (a) (c) (a) (e) (b) (d)

(b) (e) (c) (d) (a)

-1.7- 3.0 -3.1 – 7.0 -7.0 & above - Ozonation - 1.0-1.7

- Ecology - Science of crop farming - Statistical study of biological problem - Flow of energy - Science of fish farming

833. a) Deepest trench b) A&N island c) Dinoflagellates d) Pheophytin e) Betaine 834. a) Aeromonas salmonicida b) Swim bladder inflammation c) White spot disease d) Glycogen to lactic acid e) Induced breeding

- Primary productivity - Mariana - East ridge - Disinfection of eggs - Red tide - A. hydrophila - Low pH - Furunculosis - Artificial breeding - I. multiphilis

53

(d) (a) (b) (e) (c) (c) (a) (d) (e) (b)

(d) (a) (b) (e) (c) (b) (d) (a) (e) (c)