JAMB Biology Past Questions & Answers - Page 282

1,406.

In the whistling pine, leaves are reduced to brown scales and young stems are green. This is an adaptation for

A.

obtaining food

B.

conserving nutrients

C.

storing water

D.

reducing transpiration

Correct answer is D

No explanation has been provided for this answer.

1,407.

In the honey bee colony, the drones are

A.

sterile males with reduced mouth parts

B.

sterile males with well-developed mouth parts

C.

fertile males with reduced mouth parts

D.

fertile males with well-developed mouth parts

Correct answer is D

No explanation has been provided for this answer.

1,408.

The group of insects that have mouth parts adapted for both piercing and sucking is

A.

cockroach, aphids, and mosquitoes

B.

aphids, houseflies, and moths

C.

mosquitoes, tse-tse flies, and aphids

D.

aphids, beetles, and grasshoppers

Correct answer is C

No explanation has been provided for this answer.

1,409.

In blood transfusion, agglutination occurs when

A.

white blood cells from two individuals meet

B.

two different antibodies meet

C.

two different antigens meet

D.

contrasting antigens and antibodies meet

Correct answer is D

No explanation has been provided for this answer.

1,410.

One of the ways that body cells differ from gamete cells is in the

A.

type of centromeres they contain

B.

number of chromosomes pairs they contain

C.

type of chromatid they contain

D.

number of chromosomes they contain

Correct answer is D

No explanation has been provided for this answer.