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.

701.

Which of the following controls all voluntary actions?

A.

Olfactory lobes

B.

Cerebrum

C.

Hypothalamus

D.

Pons varolii

Correct answer is B

The Cerebrum is the largest part of the brain and it controls all voluntary actions like speech, dancing, etc., It is also concerned with the concentration and coordination of impulses.

702.

The association between two organisms living together in which only one benefits from the association while the other is neither benefited nor harmed is

A.

Predation

B.

Competition

C.

Commensalism

D.

Dispersal

Correct answer is C

Commensalism is the association between 2 organisms living together where only one benefits from the association while the other is neither benefited nor harmed e.g Ramora fish and shark. Commensalism is an example of a symbiotic association.

703.

Viruses are pathogens of the following diseases except

A.

Tuberculosis

B.

Measles

C.

Small pox

D.

Poliomyelitis

Correct answer is A

Tuberculosis is classified under diseases causes by bacteria, not viruses.

704.

The possession of chloroplast in Euglena virids enables it to

A.

Store starch

B.

Carry out photosynthesis

C.

Reproduce

D.

Respond to light

Correct answer is B

Euglena vivids possess chloroplast (plants feature) in order for it to carry out photosynthesis.

705.

The organism above can be found in

A.

Arid land

B.

Secluded environments

C.

Aquatic habitation

D.

Moist environments

Correct answer is D

It is found in moist environments because of its adaptive features.