WAEC Biology Past Questions & Answers - Page 172

856.

The function of the amniotic fluid in humans is to

A.

protect the foetus against shocks

B.

remove waste products from the foetus

C.

supply food and water to foetus

D.

carry oxygen to the foetus

Correct answer is A

No explanation has been provided for this answer.

857.

Placentation of plants is best described as the

A.

arrangement of ovules in the ovary

B.

arrangement of fruits on the branches

C.

development of ovules in the ovary

D.

formation of the pericarp from the ovary wall

Correct answer is A

No explanation has been provided for this answer.

858.

The layer of light-sensitive cells in the human eye is called the

A.

cornea

B.

sclerotic layer

C.

retina

D.

conjunctiva

Correct answer is C

No explanation has been provided for this answer.

859.

Which of the following is the function of the mammalian iris?

A.

closes and opens the eye

B.

Absorbs dangerous rays from sunlight

C.

regulates the amount of light entering the eye

D.

bringing light rays to focus on the retina

Correct answer is C

No explanation has been provided for this answer.

860.

The part of the nervous system that interprets blinking of the eye is the

A.

spinal cord

B.

cerebrum

C.

hind brain

D.

olfactory lobe

Correct answer is C

No explanation has been provided for this answer.