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.

1,121.

Which pollutant is likely to cause cholera?

A.

agricultural wastes

B.

industrial wastes

C.

nuclear fallouts

D.

oil spillages

E.

untreated sewage

Correct answer is E

No explanation has been provided for this answer.

1,122.

Which is NOT an effect of food shortage in a population?

A.

Cannibalism

B.

Competition

C.

Increase in mortality

D.

Increase in natality

E.

migration

Correct answer is D

Food shortage could lead to any of the listed options in a bid for survival except an increase in natality rate.

1,123.

Which is the most ecologically viable method of insect pest control?

A.

Draining all stagnant pools of water

B.

Eliminating one of the development stages of the insect

C.

Employing a lot of labourers to physically handpick the insect pests

D.

Erecting physical barriers against insect pests

E.

Using stronger insecticides that can kill a greater number of insect

Correct answer is B

No explanation has been provided for this answer.

1,124.

Bacteria that derive energy by oxidizing certain inorganic compounds, are said to be

A.

Chemosynthetic

B.

Holozoic

C.

Parasitic

D.

Photosynthetic

E.

Saprophytic

Correct answer is A

No explanation has been provided for this answer.

1,125.

Which part of the brain regulates and coordinates muscular movements?

A.

Cerebellum

B.

Cerebrum

C.

Hypothalamus

D.

Medulla oblongata

E.

ThaIamus

Correct answer is A

No explanation has been provided for this answer.