Waec Biology Past Questions and Answers

Question 246:

• WAEC 1992

(a) List the principal sense organs in mammals and their functions.
(b) (i) Describe the eye defect in which only distant objects are seen clearly.
(ii) How can it be corrected? Illustrate your answer with labelled diagrams.
(c) Make a large diagram of the vertical section through the mammalian skin.

Question 247:

• WAEC 1992

(a) Describe briefly the female reproductive system of a named mammal. (A diagram is essential).
(b) List three differences between reproduction in mammals and in amphibians.
(c) Describe the structure and function of the male reproductive organ of a flowering plant.

Question 248:

• WAEC 1992

(a) Mention six ways by which the government is contributing towards self-sufficiency in food production
(b) List five methods Of conserving soil fertility.
(c) Explain how three named agricultural practices can destroy the balance of an ecosystem.

Question 249:

• WAEC 1993

The organ which is sensitive to light in Euglena is the

A. Gullet
B. Chloroplast
C. Eye spot
D. Contractile vacuole
E. Flagellum

Question 250:

• WAEC 1993

The organ which is sensitive to light in Euglena is the

A. Gullet
B. Chloroplast
C. Eye spot
D. Contractile vacuole
E. Flagellum