WAEC Biology Past Questions & Answers - Page 262

1,306.

Which of the following factors may not affect living organisms in an aquatic habitat?

A.

Turbidity

B.

Temperature

C.

Humidity

D.

Light

Correct answer is C

No explanation has been provided for this answer.

1,307.

A situation whereby some mammals remain inactive throughout dry and hot seasons is known as 

A.

aestivation

B.

dormancy

C.

burrowing

D.

incubation

Correct answer is A

No explanation has been provided for this answer.

1,308.

Which of the following is a means of measuring primary production?

A.

Rate of reproduction of animals

B.

Life span of an organism

C.

Number of predators in an environment

D.

harvested plants in a unit area

Correct answer is D

No explanation has been provided for this answer.

1,309.

Carbon is added to the atmosphere by the following processes except

A.

respiration

B.

burning

C.

photosynthesis

D.

volcanic eruption

Correct answer is C

No explanation has been provided for this answer.

1,310.

A known weight of soil sample was oven-dried to obtain a constant weight. The loss in weight was due to
loss of 

A.

organic matter only

B.

water only

C.

water and organic matter

D.

inorganic matter and water

Correct answer is C

No explanation has been provided for this answer.