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.

226.

Which of the following cycles involves the process of precipitation and transpiration?

A.

water cycle

B.

carbon cycle

C.

nitrogen cycle

D.

oxygen cycle

Correct answer is A

No explanation has been provided for this answer.

227.

Which of the following processes removes carbon from the atmosphere?

A.

putrefaction

B.

photosynthesis

C.

volcanic eruption

D.

burning of fuels

Correct answer is B

No explanation has been provided for this answer.

228.

A seed of a flowering plant can best be described as

A.

radicle and plumule

B.

the developed ovule

C.

the embryo and endosperm

D.

developed ovary

Correct answer is B

No explanation has been provided for this answer.

229.

Spectacles with convex lenses correct long-sightedness by

A.

converging the light rays before they enter the eye

B.

diverging the light rays before they enter the eye

C.

reducing the light intensity before it enters the eye

D.

increasing the light intensity before it enters the eye

Correct answer is A

No explanation has been provided for this answer.

230.

The part of the ear which contains nerve cells sensitive to sound vibrations is the

A.

cochlea

B.

ampulla

C.

tympanum

D.

malleus

Correct answer is A

The cochlea (auditory inner ear) transforms the sound in neural message. The function of the cochlea is to transform the vibrations of the cochlear liquids and associated structures into a neural signal.