Waec Biology 1997 Past Questions and Answers

Question 6:

• WAEC 1997

Which of the following organelles helps to remove excess water
from cells?

A. Mitochondrion
B. Ribosome
C. Contractile vacuole
D. Golgi body
E. Nucleus

Question 7:

• WAEC 1997

Which of the following processes occurs by diffusion?

A. Reabsorption of water in kidney tubules
B. Entry of water into the cytoplasm of unicellular animals
C. Absorption of water in the large intestine
D. Exchange of nutrients between a mother and the foetus
E. Movement of water in and out of living cells.

Question 8:

• 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 9:

• 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 10:

• WAEC 1997

Clotting of blood is a function of

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