JAMB Biology Past Questions & Answers - Page 312

1,556.

The anatomical evidence usually used in support of the evolutionary relationship among whales, human, birds, and dogs is the possession of

A.

thick skin

B.

 pentadactyl limb

C.

tail

D.

epidermal structure

Correct answer is B

No explanation has been provided for this answer.

1,557.

What is the phenomenon called when an animal goes into a state of dormancy during the dry season?

A.

hibernation

B.

aestivation

C.

incubation

D.

deactivation

Correct answer is B

No explanation has been provided for this answer.

1,558.

Red coloration on the head of a male lizard helps it to

A.

mark its territory

B.

camouflage in the enviroment

C.

secure its mate

D.

defend itself

Correct answer is C

No explanation has been provided for this answer.

1,559.

Breathing root is an adaptation for survival in the

A.

mangrove swamp

B.

desert

C.

arboreal habitat

D.

savanna

Correct answer is A

No explanation has been provided for this answer.

1,560.

A man who has the trait for colour blindness marries a normal woman. What percentage of their children would be sufferers, carriers and normal respectively

A.

25%, 25%, and 50%

B.

25%, 50%, and 25%

C.

50%, 25%, and 25%

D.

25%, 37.5%, and 37%

Correct answer is A

No explanation has been provided for this answer.