Post Utme Bayero University Kano Biology Past Questions and Answers

Question 11:

The blood circulatory system of vertebrates consists of _____________

A. Heart, aorta, arteries and veins
B. Heart, vena cava, arteries and veins
C. Heart, arteries, capillaries and veins
D. Heart, aorta, capillaries and veins

Question 12:

The breaking down of fats and oils into simpler absorbable compounds is catalysed by the group of enzymes called _____________

A. Lipases
B. Hydrolases
C. Amylases
D. Peptidases.

Question 13:

The surface of an alveolus in a mammal is well supplied with tiny blood vessels called _____________

A. Arterioles
B. Venules
C. Arteries
D. Capillaries

Question 14:

The anaerobic fermentation of a glucose molecules yields.

A. 38 ATP molecules
B. 2 ATP molecules
C. Pyruvic acid and alcohol
D. Water and carbon (IV) oxide

Question 15:

The opening of the stomata is controlled by the _____________

A. Presence of a pore
B. Increase in solute concentration in the guard cells
C. Presence of guard cells
D. Decrease in solute concentration in the guard cells