Biology questions and answers

Biology Questions and Answers

How well do you understand living things and their vital processes? Whether you are preparing for JAMB, WAEC, NECO and Post-UTME, these Biology past questions and answers cover such subjects as the chemistry of life, botany, evolution, genetics, ecology etc to help you know what to expect, improve your speed and confidence and be really prepared for the actual aptitude test.

2,506.

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.

2,507.

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.

2,508.

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.

2,509.

Soil factors in an ecosystem are referred to as

A.

topographic

B.

climatic

C.

biotic

D.

edaphic

Correct answer is D

No explanation has been provided for this answer.

2,510.

The secchi disc is used to measure

A.

 speed of flow of water

B.

specific gravity of water

C.

turbidity of water

D.

depth of water

Correct answer is C

No explanation has been provided for this answer.