Waec Biology Past Questions and Answers

Question 516:

• WAEC 1998

The stomata of a leaf performs the same function as

A. Spiracles of insects
B. Trachea of toads
C. Pharynx of man
D. Liver of man
E. Scales of fish

Question 517:

• WAEC 1998

Which of the following does not happen during inspiration?

A. Intercostal muscles contract
B. Ribs move forward
C. Thoracic cavity increases
D. Diaphragm relaxes
E. Internal air pressure decreases

Question 518:

• WAEC 1998

Which of the these is not an excretory product of plant?

A. Tannin
B. Gum
C. Alkaloid
D. Sweat
E. Anthocyanin

Question 519:

• WAEC 1998

Which of these is not a function of the kidney?

A. Production of urine
B. Maintenance of acid-base balance in the body
C. Osmo-regulation
D. Removal of urea
E. Production of bile

Question 520:

• WAEC 1998

In which part of the kidney does ultrafiltration take place?

A. Bowman’s capsule
B. Distal convoluted tubule
C. Proximal convoluted tubule
D. Collecting duct
E. Afferent arteriole