JAMB Biology Past Questions & Answers - Page 228

1,136.

Plants survive hot dry conditions by

A.

storing water in large parenchyma cells

B.

producing numerous leaves

C.

having numerous stomata

D.

having evergreen leaves

Correct answer is A

No explanation has been provided for this answer.

1,137.

Which of the following is an example of intraspecific competition?

A.

a lizard and an anteater chasing an insect

B.

a worker termite and a soldier in a limited

C.

a hawk and an eagle targeting the same chicken

D.

yam and potato shots growing out through the same window

Correct answer is D

No explanation has been provided for this answer.

1,138.

Sex-linked genes are located on

A.

Y - chromosomes

B.

X - and Y - chromosomes

C.

homologous chromosome

D.

X - chromosome

Correct answer is D

Characters determined by a gene located on only the X-chromosome are said to be sex-linked.

1,139.

Identical twins inherit from what egg and sperm?

A.

different eggs and sperms

B.

the same egg and sperm

C.

two eggs and a sperm

D.

one egg and two sperms

Correct answer is B

No explanation has been provided for this answer.

1,140.