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.

1,456.

The aspects of growth in living organisms include all the following processes except

A.

increase in dry weight

B.

reversible increase in size

C.

irreversible increase in length

D.

increase in number of cells

Correct answer is B

No explanation has been provided for this answer.

1,457.

Which of the following processes does not contribute towards growth?

A.

Cell division

B.

Cell enlargement

C.

Cell differentiation

D.

Cell plasmolysis

Correct answer is D

No explanation has been provided for this answer.

1,458.

Which of the following environmental conditions is ideal for plant cells to remain turgid?

A.

Hot, dry weather

B.

Windy weather

C.

Cold, dry weather

D.

Cool, humid weather

Correct answer is D

No explanation has been provided for this answer.

1,459.

During the process of osmosis, a semi-permeable membrane allows

A.

only solute molecules to pass through it

B.

both solute and solvent molecules to pass through it

C.

only solvent molecules to pass through it

D.

only gaseous molecules to pass through it

Correct answer is C

No explanation has been provided for this answer.

1,460.

The physical process which occurs when a red blood cell is placed in distilled water causing it to burst and break down is known as

A.

crenation

B.

plasmolysis

C.

turgidity

D.

haemolysis

Correct answer is D

No explanation has been provided for this answer.