WAEC Biology Past Questions & Answers - Page 272

1,356.

Study the following list of deficiency symptoms in animals; use it to answer the questions below
I. Loss of appetite and weight; II. Delayed wound healing; III. Rickets; IV Sterility in animals
V Failed blood clotting; VI. Night blindness

Which of the following vitamins would correct the deficiency numbered V?

A.

Vitamin K

B.

Vitamin A

C.

Vitamin C

D.

Vitamin B

Correct answer is A

No explanation has been provided for this answer.

1,357.

Study the following list of deficiency symptoms in animals; use it to answer the questions below.
I. Loss of appetite and weight; II. Delayed wound healing; III. Rickets; IV Sterility in animals
V Failed blood clotting; VI. Night blindness

Which of the following deficiencies is caused by a lack of vitamin A?

A.

I

B.

III

C.

V

D.

VI

Correct answer is D

No explanation has been provided for this answer.

1,358.

A one-seeded fruit in which the pericarp has fused with the seed coat is classified as

A.

a berry

B.

a caryopsis

C.

a legume

D.

an achene

Correct answer is B

No explanation has been provided for this answer.

1,359.

If the mucus in the air track of mammals dry up and the hairs in the nostrils are removed

A.

impure air would be breathed into their lungs

B.

the speed of air movement into their lungs would increase

C.

breathing air into their lungs would be difficult

D.

more air would be taken into their lungs

Correct answer is A

No explanation has been provided for this answer.

1,360.

Which of the following is not a component of the appendicular skeleton?

A.

Ulna

B.

Atlas

C.

Femur

D.

Pelvic girdle

Correct answer is B

No explanation has been provided for this answer.