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.

2,296.

Which of the following features is not an adaptation of plants to aquatic habitats?

A.

Breathing roots for air entry

B.

Flowers raised above water for the purpose of pollination

C.

Spongy tissues containing gases for buoyancy

D.

Hairy structures on the leaves to reduce water loss

Correct answer is D

No explanation has been provided for this answer.

2,297.

Most tropical plants shed their leaves during dry weather conditions in order to

A.

reduce their growth rate

B.

conserve water

C.

reduce competition

D.

minimize the rate of photosynthesis

Correct answer is B

No explanation has been provided for this answer.

2,298.

which of the following organisms does not show colour adaptation to its environment?

A.

Chameleon

B.

Earthworm

C.

Fish

D.

Toad

Correct answer is B

No explanation has been provided for this answer.

2,299.

Food chains are relatively short because

A.

of energy recycling in the ecosystem

B.

energy gain at each trophic level is high

C.

of energy loss at each trophic level

D.

energy flow in an ecosystem is uni-directional

Correct answer is C

No explanation has been provided for this answer.

2,300.

P → Q → R → S → T

Which of the following statements best describes the organism designated R? It

A.

feeds on S

B.

is a primary consumer

C.

is a producer as well as a consumer

D.

is a secondary consumer

Correct answer is D

No explanation has been provided for this answer.