Biology 1998 Waec Past Questions and Answers

Question 16 :

• 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 17 :

• WAEC 1998

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

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

Question 18 :

• 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 19 :

• 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

Question 20 :

• WAEC 1998

Which of the following organs is concerned with detoxication of harmful compounds?

A. Kidney
B. Lungs
C. Gall bladder
D. Liver
E. Pancreas