Biology questions and answers

Biology Questions and Answers

How well do you understand living things and their vital processes? Whether you are preparing for JAMB, WAEC, NECO and Post-UTME, these Biology past questions and answers cover such subjects as the chemistry of life, botany, evolution, genetics, ecology etc to help you know what to expect, improve your speed and confidence and be really prepared for the actual aptitude test.

3,346.

Rodents gnaw on food with their

A.

molar teeth

B.

strong jaws

C.

flat-ridged teeth

D.

chisel-like front teeth

Correct answer is D

No explanation has been provided for this answer.

3,347.

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.

3,348.

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.

3,349.

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.

3,350.

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.