WAEC Past Questions and Answers - Page 4050

20,246.

Which of the following structural features adapts Drosera (Sundew) to its carnivorous mode of nutrition?

A.

Long root with glandular hairs

B.

Club-shaped glandular hairs on leaves

C.

Prominent lenticel on the stem

D.

Broad leaves with long spines

E.

Wide stomata under the leaves

Correct answer is B

No explanation has been provided for this answer.

20,247.

Which of the following is not a condition necessary for germination to occur in most seeds?

A.

Water

B.

Air

C.

Activation of enzymes

D.

Temperature

E.

Soil fertility

Correct answer is E

No explanation has been provided for this answer.

20,248.

The control of water and salt requirements of the body in order to maintain a stable internal environment is known as

A.

osmosis

B.

excretion

C.

plasmolysis

D.

ultrafiltration

E.

homeostasis

Correct answer is E

No explanation has been provided for this answer.

20,249.

Which of the following structural features in animals does not affect control of body temperature?

A.

Scales

B.

Skin

C.

fur

D.

Capillaries

E.

Feathers

Correct answer is D

No explanation has been provided for this answer.

20,250.

Which of the following plant diseases is indicated when grains of cereals are covered with a mass of spores?

A.

Smut

B.

Mosaic

C.

Maize streak

D.

Fungal blast

E.

Rust

Correct answer is A

No explanation has been provided for this answer.