Excretion - Jamb Biology Past Questions and Answers

Question 11:

• JAMB 1982

If the gall bladder of a man is removed by surgery, which of the following processes will be most seriously affected?

A. Digestion of fats and oil
B. Formation of urea
C. Digestion of starch
D. Conversion of protein
E. Storage and release of the urine

Question 12:

• JAMB 1982

Which of the following is not associated with excretion in mammals

A. Glomerulus
B. Urea
C. Faeces
D. Carbon Dioxide
E. Bowman's capsule

Question 13:

• JAMB 1983

Which of the following substance is not found in urine?

A. Water
B. Sodium chloride
C. Nitrogenous compounds
D. Calcium chloride
E. Nitrogenous salts

Question 14:

• JAMB 1983

The kidneys of all vertebrates act as osmoregulators. This means that they

A. Keep the composition of the plasma constant
B. Regulate osmotic processes
C. Control the volume of blood entering the kidneys
D. Decrease the osmotic pressure of the blood
E. Increase the osmotic pressure of blood

Question 15:

• JAMB 1983

Urea is produced in the

A. Liver
B. Bladder
C. Spleen
D. Kidneys
E. Gall bladder