Characteristics Of Living Organisms Worksheet 1 Of Chapter 1 Grade 8 281n3m

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Section Subject: Biology chapter 1: Classification MCQ Grade: 8 Worksheet 1 – Characteristics and naming of living organisms Name: ______________________________ Section: ______ Choose the correct option: 1)

2)

3)

Which process involves the release of energy from food substances in all living cells? A

breathing

B

nutrition

C

respiration

D

transpiration

The picture shows an animal. What is the name of this animal according to the binomial system?

A

Catus

B

Felis leo

C

Male African lion

D

Top African jungle carnivore

What do all living things release during respiration?

Page 1 of 6

4)

5)

What are characteristics of all organisms? A

egestion and excretion

B

egestion and nutrition

C

excretion and nutrition

D

excretion and photosynthesis

The table shows the classification of four vertebrate animals. Which two organisms are most closely related?

A 6)

1 and 2

B

1 and 3

C

2 and 3

D

2 and 4

The diagram shows some organisms living in water. Which process is carried out by all the living organisms shown?

A

photosynthesis

B

pollination Page 2 of 6

7)

8)

9)

10)

11)

12)

C

respiration

D

transpiration

Which characteristic is shown by all living things? A

breathing

B

growing

C

sleeping

D

walking

Which process removes the waste products of metabolism from the body? A

excretion

B

nutrition

C

reproduction

D

respiration

According to the binomial system, how should a human be named? A

Homo Sapiens

B

Homo sapiens

C

homo Sapiens

D

homo sapiens

Which process produces heat to maintain a person’s body temperature? A

excretion

B

nutrition

C

reproduction

D

respiration

Which shows an organism that has been named using the binomial system? A

Bacterium

B

Flowering plant

C

HIV

D

Homo sapiens

What is defined as the chemical reactions that break down food molecules in cells to release energy? A

excretion

B

movement Page 3 of 6

13)

14)

15)

16)

C

nutrition

D

respiration

Which characteristic of living organisms can involve ingestion, absorption and assimilation? A

excretion

B

growth

C

nutrition

D

respiration

Which system is used for naming species? A

binomial

B

conservation

C

dichotomous

D

natural selection

Which characteristic is shown when a person smells a gas in the air? A

excretion

B

movement

C

respiration

D

sensitivity

Which characteristic of living organisms is described by the following definition? ‘The ability to detect changes in the environment and make responses’.

17)

A

excretion

B

movement

C

respiration

D

sensitivity

The diagram shows a cell with groups of bacteria around its edge. The bacteria move to areas of high oxygen concentration. Which process in the cell causes the bacteria to form these groups?

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18)

A

digestion

B

photosynthesis

C

reproduction

D

respiration

The diagram shows an amoeba, a single-celled living organism. The movement of gases at X indicates the occurrence of which process or processes in the cell?

19)

20)

A

excretion and nutrition

B

excretion and respiration

C

nutrition and respiration

D

respiration only

Which process provides the raw materials needed for tissue repair? A

excretion

B

growth

C

nutrition

D

respiration

The diagrams show a plant at the start of an experiment, and the same plant two days later. Which characteristic of living organisms is not demonstrated by this experiment?

Page 5 of 6

21)

A

excretion

B

growth

C

movement

D

sensitivity

The diagram shows how a plant, called a Venus fly-trap, reacts to a fly landing on it. Which characteristics of living things are shown by the plant in the diagram?

A

excretion and growth

B

growth and sensitivity

C

nutrition and reproduction

D

nutrition and sensitivity

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