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.

3,916.

Pepsin is a digestive enzymes which breaks 

A.

Cellulose into glucose molecules

B.

Carbohydrates into simple sugars

C.

Protein into peptones

D.

Fats into glycerol and fatty acid

E.

Sucrose into glucose and fructose

Correct answer is C

No explanation has been provided for this answer.

3,917.

Blood clotting is initiated by

A.

Leucocytes

B.

Platelets

C.

Haemolymph

D.

Haemoglobin

E.

Erythrocytes

Correct answer is B

No explanation has been provided for this answer.

3,918.

Exoskeleton is NOT found in the

A.

Maggot

B.

Mosquito larva

C.

Earth worm

D.

Caterpillar

E.

Termite

Correct answer is C

No explanation has been provided for this answer.

3,919.

The dorsal and anal fins of fish are used for 

A.

Upward movement

B.

Controlling rolling

C.

Downward movement

D.

Steering

E.

Buoyancy

Correct answer is B

No explanation has been provided for this answer.

3,920.

Which of the following statement is NOT true of enzymes? They

A.

Are proteins

B.

Need cofactors to activate them

C.

Are sensitive in their action

D.

Are specific in their action

E.

Can withstand high temperature

Correct answer is E

No explanation has been provided for this answer.