Biology 1987 Jamb Past Questions and Answers

Question 21 :

• JAMB 1987

In the standard experiment to show that oxygen is given off during photosynthesis, sodium bicarbonate is used to

A. Neutralize the acid in water
B. Supply mineral salt to water plant
C. Supply carbondioxide for photosynthesis
D. Kill micro-organisms in water

Question 22 :

• JAMB 1987

One cubic centimeter of lymph is richer than an equal volume of blood in

A. Erythrocytes
B. Leucocytes
C. Amino acid
D. Glucose

Question 23 :

• JAMB 1987

The oxidative part of the respiratory process takes place in the

A. Mitochondria
B. Ribosomes
C. Endoplasmic reticulum
D. Golgi bodies

Question 24 :

• JAMB 1987

Fatigue of leg muscles may occur after riding many kilometers on a bicycle because of

A. Insufficient glucose
B. Excess carbon dioxide
C. Excess protein
D. Insufficient oxygen

Question 25 :

• JAMB 1987

The function of the loop of Henle is to

A. Increase the flow of urine
B. Concentrate amino acids in the kidney tissue
C. Concentrate sodium chloride in the medulla of the kidney
D. Increase the volume of urine