JAMB Biology Past Questions & Answers - Page 344

1,716.

Anaerobic respiration in yeast produces 

A.

Carbondioxide and ethanol

B.

Carbondioxide and water

C.

Carbondioxide and oxygen

D.

Carbondioxide and glucose

E.

Ethanol and water

Correct answer is A

No explanation has been provided for this answer.

1,717.

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.

1,718.

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.

1,719.

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.

1,720.

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.