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General Science

Biology

All MCQs

Biology

1.

What is the fundamental unit of life?

A

B

C

D

2.

Which organelle is known as the "powerhouse of the cell" and is responsible for energy production?

A

B

C

D

3.

What is the process by which plants make their own food using sunlight, carbon dioxide, and water?

A

B

C

D

4.

Which molecule carries genetic information and determines the traits of an organism?

A

B

C

D

5.

What is the function of red blood cells in the human body?

A

B

C

D

6.

What is the process of the breakdown of complex organic molecules into simpler substances with the release of energy?

A

B

C

D

7.

Which organ is responsible for detoxifying harmful substances, storing glycogen, and producing bile?

A

B

C

D

8.

What is the role of white blood cells in the immune system?

A

B

C

D

9.

Which part of a plant is primarily responsible for photosynthesis?

A

B

C

D

10.

What is the main function of the nervous system in the human body?

A

B

C

D