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.

2,791.

Which of the following is the least safe method of birth control? Using

A.

spermicide creams

B.

contraceptive pills

C.

barriers such as condoms

D.

intrauterine device

E.

the withdrawal method

Correct answer is E

No explanation has been provided for this answer.

2,792.

The deficiency of calcium in a plant may result in

A.

stunted growth and poor root development

B.

poor growth, leaves become orange or brown

C.

stunted growth, slender stem, and yellowing leaves

D.

very small leaves and yellowing of leaves

E.

tall, weedy, and reddish leaves

Correct answer is A

No explanation has been provided for this answer.

2,793.

The process whereby poisonous compounds are made harmless in the liver is called

A.

deamination

B.

glycolysis

C.

dehydration

D.

detoxification

E.

denitritication

Correct answer is D

No explanation has been provided for this answer.

2,794.

Mutation leads to evolution in that it

A.

gives rise to offspring which have the same characteristics as the parents

B.

kill all organism where it has occurred

C.

gives rise to new individuals which differs considerably from their parents

D.

always confers adaptability of the offspring

E.

does not confer adaptability to the offspring

Correct answer is C

No explanation has been provided for this answer.

2,795.

The part of the ear that equalizes air pressure on either side of the eardrum is the

A.

auditory meatus

B.

malleus

C.

Eustachian tube

D.

oval window

E.

stapes

Correct answer is C

No explanation has been provided for this answer.