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.

1,651.

The concave shape of a birds wing during flight, ensures that the greater air pressure under the wings will

A.

counteract the effect of gravity

B.

lift the bird so that it can remain airborne

C.

enable the pectoral, muscles to contract easily

D.

change the direction of the flying bird

Correct answer is A

No explanation has been provided for this answer.

1,652.

Which of the following terms ensures the survival of an organism in its environment?

A.

Hibernation

B.

Succession

C.

Adaptation

D.

Competition

Correct answer is C

No explanation has been provided for this answer.

1,653.

The total amount of energy entering a food chain is that which is present in the

A.

consumer

B.

ecosystem

C.

producer

D.

decomposer

Correct answer is C

No explanation has been provided for this answer.

1,654.

Which of the following measures is most likely to cause a damage to the ecosystem in the control of pests
and weeds?

A.

Use of ladybird insects to feed on aphids

B.

introduction of bacterium to kill larvae of butterfly

C.

Introduction of Tilapia fish in ponds to feed on mosquito larvae

D.

Spraying insecticides to destroy cotton- stainers in a cotton-field

Correct answer is D

No explanation has been provided for this answer.

1,655.

In any food chain, the first member must be a 

A.

carnivore

B.

herbivore

C.

zooplankton

D.

autotroph

Correct answer is D

No explanation has been provided for this answer.