IGCSE Biology Paper-2: Specimen Questions with Answers 21 - 24 of 103

Question number: 21

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Question

Pollution of Fluoride mainly affect which part of the body

Choices

Choice (4) Response

a.

Heart and lungs

b.

Eyes and bones

c.

Liver and kidney

d.

Bones and teeth

Answer

d.

Explanation

Fluoride pollution is pollution, which is characterized by high levels of fluorides, a family of chemical compounds with a wide range of uses

Question number: 22

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Question

Which statements describe similarities between plants and animals?

X- Both of them exchange gas

Y- Both of them need water

Z-Both of them can move from one place to another

Choices

Choice (4) Response

a.

X, Y and Z

b.

X and Z

c.

Y and Z

d.

X and Y

Answer

d.

Explanation

Plants and animals both are the examples of living world. Both of them exchange gas, need water but plants cannot move from one place to another like animals.

Question number: 23

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Question

the diagram shows type of tooth. Which type of tooth is it?

The diagram shows type of tooth

The Diagram Shows Type of Tooth

Diagram is related to a type of tooth and identify its type

Choices

Choice (4) Response

a.

Incisors

b.

Molars

c.

Premolars

d.

Canines

Answer

c.

Explanation

The premolars have a flat biting surface. Their function is to tear and crush food. They are unique to the permanent dentition with eight premolars in human beings.

Question number: 24

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Question

Plant cells uses chlorophyll in the process of

Choices

Choice (4) Response

a.

Development

b.

Nutrition

c.

Photosynthesis

d.

Reproduction

Answer

c.

Explanation

Photosynthesis is a process in which energy harvesting reaction of chlorophyll and reduction of carbon di oxide is occur. In photosynthesis, light energy is converted into chemical energy.