JAMB Biology Past Questions & Answers - Page 232

1,156.

A caterpillar and an aphid living in different parts of the same plant can be said to

A.

occupy the same ecological niche

B.

be in different habitat

C.

occupy different ecological niche

D.

be in the same microhabitats

Correct answer is C

The caterpillar and the aphids occupy two different spaces or parts of the plant. Hence they occupy different ecological niches.

1,157.

If a nursing mother is not producing enough milk, her hormonal system is probably deficient in

A.

prolactin

B.

testosterone

C.

thyroxin

D.

insulin

Correct answer is A

No explanation has been provided for this answer.

1,158.

Nervous control differs from hormonal control in that the former

A.

involves only chemical transmission

B.

is a lower process

C.

produces short-term changes

D.

has no specific pathway

Correct answer is C

No explanation has been provided for this answer.

1,159.

Epigeal germination of a seed is characterized by

A.

more rapid elongation of the hypocotyl than the epicotyl

B.

more rapid elongation of the epicotyl than the hypocotyl

C.

equal growth of both the hypocotyl and epicotyl

D.

lack of growth of the hypocotyl

Correct answer is A

No explanation has been provided for this answer.

1,160.

The eggs of birds contains relatively larger quantities of yolk than those of amphibians and reptiles because

A.

birds are generally bigger in size

B.

embryonic development is longer in birds

C.

those of birds are fertilized internally

D.

birds lay shelled eggs

Correct answer is B

No explanation has been provided for this answer.