JAMB Biology Past Questions & Answers - Page 90

446.

The flippers of a whale and the fins of a fish are examples of

A.

divergent evolution

B.

coevolution

C.

continuous variation

D.

convergent evolution

Correct answer is D

No explanation has been provided for this answer.

447.

A boy fond of swimming in a pond finds himself passing urine with traces of blood. He is likely to have contracted?

A.

schistosomiasis

B.

onchocerciasis

C.

poliomyelitis

D.

salmonellosis

Correct answer is A

No explanation has been provided for this answer.

448.

An accurate identification of a rapist can be carried out by conducting

A.

RNA analysis

B.

DNA analysis

C.

blood group test

D.

behavioural tests

Correct answer is B

No explanation has been provided for this answer.

449.

Use the diagram to answer the question.

The breeding posture illustrated in the diagram is knows as

A.

mating

B.

amplexus

C.

courtship display

D.

reproductive swimming

Correct answer is B

Amplexus is the term used to describe the mating process of toads and frogs.

450.

Use the diagram to answer the question.

The diagram shows that the organisms are

A.

hermaphrodite

B.

viviparous

C.

oviparous

D.

ovoviparous

Correct answer is C

No explanation has been provided for this answer.