Jamb Biology 1978 Past Questions and Answers

Question 31:

• JAMB 1978

a potometer was used to compare the rate of loss of the same volume of water from a plant under different environmental conditions as under a fan, at the sea shore, under the sun, in the airy laboratory and in cupboard. What time was likely to have been obtained in a cupboard?

A. 15 secs
B. 30secs
C. 25secs
D. 20secs
E. 28secs

Question 32:

• JAMB 1978

The mammalian stomach can carry out a number of processes except

A. Absorption of glucose
B. Secretion of hydrochloric acid
C. Secretion gastric juice
D. Churning of food
E. Production of trypsin

Question 33:

• JAMB 1978

A spirogyra cell placed was placed in solution X after 1 minute the cell has been plasmolysed, solution X was

A. Tap water
B. A very strong sugar solution
C. A weak sugar solution
D. A very weak salt solution
E. Distilled water

Question 34:

• JAMB 1978

A farmer X working in a swamp did not eat any food nor drink any water. Which of this diseases can he not contact

A. Cholera
B. Bilharzia
C. River blindness
D. Malaria
E. Sleeping sickness

Question 35:

• JAMB 1978

A carbohydrate molecule in the blood in the right ventricles of the heart is pumped into the cell of the toe of a man. Which of these structure is it unlikely to pass through en-route

A. Pulmonary artery
B. Lungs
C. Heart
D. Liver
E. Aorta