JAMB Biology Past Questions & Answers - Page 230

1,146.

One adaptation of reptiles to water loss is the presence of

A.

keratinous scale

B.

claws on limbs

C.

long tails

D.

long sticky tongues

Correct answer is A

No explanation has been provided for this answer.

1,147.

The progressive loss of energy at each level in a food chain leads to

A.

an increase in biomass at each successive level

B.

a decrease in biomass at each successive level

C.

an increase in the number of organism at each successive level

D.

an increase in the total number of organisms at each successive level

Correct answer is B

No explanation has been provided for this answer.

1,148.

The association between termites and the cellulose-digesting protozoans in their guts is an example of

A.

saprophytism

B.

mutualism

C.

parasitism

D.

commensalism

Correct answer is B

No explanation has been provided for this answer.

1,149.

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.

1,150.

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.