Waec Biology 2002 Past Questions and Answers

Question 56:

• WAEC 2002

Which of the following is an adaptation by plants to reduce the rate of water loss in a dry habitat? Possession of

A. A few sunken stomata on the lower epidermis only
B. Long leaf tendrils
C. Leaves with serrated edges
D. Strong tap root

Question 57:

• WAEC 2002

The following are social insects except

A. Wasps
B. Termites
C. Bees
D. Cotton stainer

Question 58:

• WAEC 2002

Which of the following can be considered as a direct evidence of evolution?

A. Classification
B. Comparative anatomy
C. Comparative embryology
D. Fossil record

Question 59:

• WAEC 2002

(a) Explain the terms:
(i) Parasitism
(ii) Commensalism
(b) Mention:
(i) one fungal parasite of a plant and its host
(ii) one bacterial parasite of humans.
(c)(i) List four symptoms of malaria.
(II) Mention six methods of controlling malaria in West Africa

Question 60:

• WAEC 2002

(a) What is a receptor?
(b) Describe the general features common to all receptors.
(c)(i) Make a labelled diagram 8cm - 10cm long, to show the outer and middle ear only of human.
(ii) List three ways of caring for the ear.