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.

4,321.

Plants are killed in winter by frost

A.

because of desiccation and mechanical damage to the tissues

B.

because no photosynthesis takes place at such low temperature

C.

because respiration ceases at such low temperature

D.

because there is no transpiration

Correct answer is A

No explanation has been provided for this answer.

4,322.

Number of chromosomes in Down's syndrome is

A.

46

B.

47

C.

48

D.

49

Correct answer is B

No explanation has been provided for this answer.

4,323.

Rain water helps to increase the ____ to some extent.

A.

phosphorous contents

B.

nitrogen contents

C.

calcium contents

D.

potash contents

Correct answer is C

No explanation has been provided for this answer.

4,324.

Mumps is a disease caused by

A.

fungus

B.

bacterium

C.

virus

D.

None of these

Correct answer is C

No explanation has been provided for this answer.

4,325.

Most abundant tissues of the human body are

A.

muscular

B.

connective

C.

epithelial

D.

nervous

Correct answer is B

No explanation has been provided for this answer.