Question 31:

• JAMB 2019

The mammalian stomach can carry out a number of processes except

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

Question 32:

• JAMB 2019

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

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

Question 33:

• JAMB 2019

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

Question 34:

• JAMB 2019

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

Question 35:

• JAMB 2019

In a photo-tropic experiment, young seedlings in a box were subjected to light from one direction. The seedling continue to grow erect. Which of the following statement is correct

A. The light was not strong enough
B. The tip of the seedling may have been covered
C. Only the tip of the seedling received the light
D. The seedlings were rather too young
E. The box containing the seedling should have been placed on a laboratory bench