WAEC Biology Past Questions & Answers - Page 312

1,556.

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.

1,557.

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.

1,558.

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.

1,559.

Which of the following is not a conservable natural resource?

A.

Water

B.

Sunlight

C.

Forest

D.

Soil

E.

Minerals

Correct answer is B

No explanation has been provided for this answer.

1,560.

Which of the following is not a continuous variation?

A.

Height of plants

B.

Skin colour

C.

Ability to roll tongue

D.

Length of fingers

E.

Leaf size

Correct answer is C

No explanation has been provided for this answer.