Waec Biology Past Questions and Answers

Question 446:

• WAEC 1997

Which of the following is a product of brewing when yeast is used as a fermenting agent?

A. Nitrogen
B. Oxygen
C. Malt
D. Ethanol
E. Sucrose and glucose

Question 447:

• WAEC 1997

Which of the following hind limb bones is equivalent to the humerus of the forelimb?

A. Patella
B. Tarsal
C. Tibia
D. Fibula
E. Femur

Question 448:

• WAEC 1997

Clotting of blood is a function of

A. Vitamin C
B. Vitamin K
C. Vitamin B2
D. Vitamin E
E. Vitamin B12

Question 449:

• WAEC 1997

Which of the following structures is associated with respiration in insects?

A. Air sac
B. Spiracle
C. Lung
D. Alveolus
E. Gill

Question 450:

• WAEC 1997

Which of the labelled parts is made up of dead cells?

A. III and IV
B. I, II and IV
C. IV and V
D. II and III
E. II and IV