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.

2,276.

The distribution of organisms in a fresh water habitat like a stream or pond is determined by the following
factors except

A.

light penetration

B.

Soil pH

C.

rainfall

D.

temperature

Correct answer is B

No explanation has been provided for this answer.

2,277.

In a particular habitat the role of an organism is referred to as its

A.

level

B.

biomass

C.

niche

D.

space

Correct answer is C

No explanation has been provided for this answer.

2,278.

A herbivore cannot feed on a piece of meat because it has no

A.

incisors to cut the meat

B.

canines to tear up the meat

C.

premolars to grind the meat

D.

molars to mash the meat

Correct answer is B

No explanation has been provided for this answer.

2,279.

The bacterium in a mutualistic association with legumes converts

A.

nitrates to ammonia

B.

ammonium compounds to nitrites

C.

nitrogen gas to ammonia

D.

nitrites to nitrates

Correct answer is D

No explanation has been provided for this answer.

2,280.

Which of the following pH values is the best for the action of the enzymes: renin and pepsin in the
stomach?

A.

pH2

B.

pH7

C.

pH8

D.

pH9

Correct answer is A

No explanation has been provided for this answer.