WAEC Biology Past Questions & Answers - Page 71

351.

The diagrams below show the dentition of an organism. The function of the teeth labelled X is for

A.

biting and grasping

B.

chewing and grinding

C.

tearing and grasping

D.

chewing and tearing

Correct answer is C

Canines are effectively the corners of the mouth and perform the function of ripping and tearing food. 

352.

The diagram above shows the dentition of an organism. What organism is this?

A.

rabbit

B.

cat

C.

frog

D.

man

Correct answer is D

No explanation has been provided for this answer.

353.

Which of the following function is associated with calcium in plants? Formation of

A.

cell wall

B.

ribosomes

C.

proteins

D.

cell membrane

Correct answer is A

No explanation has been provided for this answer.

354.

Which of the following processes are associated with photosynthesis? I. Energy from sunlight is absorbed   II. Carbon dioxide is evolved   III. Oxygen is given off   IV. Glucose is synthesized

A.

I and II only

B.

I, II, and IV only

C.

I, III, and IV only

D.

I, II, III, and IV

Correct answer is C

No explanation has been provided for this answer.

355.

The complex energy-rich organic matter which living organisms need for life is

A.

water

B.

air

C.

food

D.

mineral salts

Correct answer is C

No explanation has been provided for this answer.