WAEC Biology Past Questions & Answers - Page 86

426.

The largest number of cassava plants has an approximate height of

A.

1.4m

B.

1.6m

C.

1.8m

D.

2.0m

Correct answer is B

No explanation has been provided for this answer.

427.

In the diagram, the function of the part labelled 2 is to

A.

produce egg cells

B.

protect sperms during fertilization

C.

secrete hormones during coitus

D.

protect the developing embryo

Correct answer is A

 Ovaries play a critical role in both menstruation and conception. They produce eggs for fertilization and they make the hormones estrogen and progesterone.

428.

In the diagram, the arrow labelled II represents the

A.

release of oxygen

B.

intake of carbon (IV) oxide

C.

movement of photosynthates

D.

movement of nutrients

Correct answer is A

No explanation has been provided for this answer.

429.

The central nervous system in humans is made up of the

A.

brain, medulla oblongata and nerves

B.

brain, spinal cord and cranial nerves

C.

brain and spinal nerves

D.

brain and spinal cord

Correct answer is D

No explanation has been provided for this answer.

430.

Which of the following conditions is responsible for the presence of sugar in the blood of diabetic patients?

A.

High intake of carbohydrates

B.

Low production of insulin

C.

Low intake of carbohydrates

D.

High production of insulin

Correct answer is B

No explanation has been provided for this answer.