Biology 1993 Waec Past Questions and Answers

Question 16 :

• WAEC 1993

Which of the following organs is associated with deamination of proteins?

A. Lung
B. Stomach
C. Kidney
D. Liver
E. Heart

Question 17 :

• WAEC 1993

Ultrafiltration in the kidney takes place in the

A. Loop of Henle
B. Renal vein
C. Bowman’s capsule
D. Pelvis
E. Pyramid

Question 18 :

• WAEC 1993

When an axon is at rest, the concentration of ions on either side of the membrane are different. Which of the following is correct about the concentrations ions on either side of the membrane?

A. There is an excess of potassium ions inside the axon and an excess of sodium ions outside
B. The inside of the axon becomes positively charged while the outside is negatively charged
C. There is an excess of sodium ions on the inner side of the axon
D. Chloride and potassium ions begin to move across the membrane
E. Calcium ions accumulate on the inner side of the axon

Question 19 :

• WAEC 1993

The groups of sensory cells found on the upper surface of the tongue are called

A. Ampullae
B. Taste bud
C. Nerve cells
D. Somatic cells
E. Tactile cells

Question 20 :

• WAEC 1993

Which type of eye defect IS illustrated in the diagram above?

A. Hypermetropia
B. Myopia
C. Cataract
D. Astigmatism
E. Glaucoma