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.

241.

Red blood cells were found to have burst open after being placed in distill for an hour. This phenomenon is known as

A.

plasmolysis

B.

diffusion

C.

haemolysis

D.

wilting

Correct answer is C

No explanation has been provided for this answer.

242.

Use the diagram shown to answer the question. In plant cells, the role of the membrane is played by the

A.

nucleolus

B.

cell wall

C.

cytoplasm

D.

mitochondrion

Correct answer is B

No explanation has been provided for this answer.

243.

Use the diagram shown to answer the question. The experiment above is used to demonstrate the process of

A.

transportation

B.

water culture

C.

diffusion

D.

osmosis

Correct answer is D

No explanation has been provided for this answer.

244.

Use the diagram shown to answer the question. After an hour, the level of water in the thistle funnel will

A.

rise

B.

fall

C.

remain the same

D.

double

Correct answer is A

No explanation has been provided for this answer.

245.

The cytoplasm of a cell is considered a very important component because it

A.

regulates the amount of energy in the cell

B.

suspends all cell organelles

C.

is the outermost part of the cell

D.

is solely responsible for cell division

Correct answer is B

No explanation has been provided for this answer.