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.

3,326.

Excess water in plants is excreted as water vapour and droplets respectively through

A.

respiration and guttation

B.

transpiration and guttation

C.

photosynthesis and guttation

D.

guttation and condensation

Correct answer is B

No explanation has been provided for this answer.

3,327.

The urinary tubules of the kidney function through

A.

osmosis and diffusion

B.

active transport and osmosis

C.

ultrafiltration and selective reabsorption

D.

active transport and cytoplasmic streaming

Correct answer is C

No explanation has been provided for this answer.

3,328.

A test tube contains yeast in a glucose solution containing alkaline pyrogallol. The bubbles of carbon (IV) oxide produced indicates that the yeast cells are

A.

respiring in the absence of oxygen

B.

liberating oxygen on their own

C.

living and consuming oxygen

D.

being killed by the alcohol produced

Correct answer is A

No explanation has been provided for this answer.

3,329.

The mammalian lung is made air tight by the

A.

pleural cavity

B.

mucous membrane

C.

pleural membrane

D.

diaphragm

Correct answer is C

No explanation has been provided for this answer.

3,330.

The function of the fluid-filled pericadium is to

A.

reduce the friction caused by the pumping movements of the heart

B.

supply the heart with organisms from attacking the heart

C.

prevent disease causing organisms from attacking the heart

D.

reduce the intensity of the pumping

Correct answer is A

No explanation has been provided for this answer.