Waec Biology Past Questions and Answers

Question 1846:

• WAEC 1988

(i) Make a labelled drawing of a typical plant cell to show its essential features.
(ii) Give the functions of two labelled organelles
(b) Describe briefly two levels of cell organization in living organisms giving an example of each type.
(c) What role do the following processes play in the activities of a living cell (i) osmosis; (ii) diffusion.

Question 1847:

• WAEC 1988

(a) State four modes of nutrition in plants.
(b) Outline the process involved in the light and dark reactions of photosynthesis.
(c) Describe briefly the modifications and the mechanisms associated with the following feeding habits:
(i) filter feeding in mosquito larva; (ii) parasitic feeding in tapeworm.

Question 1848:

• WAEC 1988

(a) (i) Define the term population. (ii) List two biotic and abiotic factors each that affect population growth.
(b) What are the effects of food shortage on a population?
(c) Describe two methods each for:
(i) improving crop yield (ii) preserving and storing food. Explain the principle involved in each of the methods described.

Question 1849:

• WAEC 1996

Which of the following levels of organisation in living things is in the correct sequence, starting from the
most complex to me simplest?

A. Tissue → cell → organ → system
B. System → organ → tissue → cell
C. Cell → tissue → system → organ
D. Cell → tissue → organ → system
E. Organ → system → tissue → cell.

Question 1850:

• WAEC 1996

Which of the following levels of organisation in living things is in the correct sequence, starting from the
most complex to me simplest?

A. Tissue → cell → organ → system
B. System → organ → tissue → cell
C. Cell → tissue → system → organ
D. Cell → tissue → organ → system
E. Organ → system → tissue → cell.