WAEC Biology Past Questions & Answers - Page 314

1,566.

Which of the following does not imply an attempt at conservation?

A.

Limit the size of nets used in fishing

B.

Limit the size of vessels to be used in fishing

C.

Prohibiting hunting or fishing in a certain season

D.

Prudent management of natural resources

E.

Restraining the use of the natural resource

Correct answer is E

No explanation has been provided for this answer.

1,567.

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.

1,568.

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.

1,569.

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.

1,570.

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.