Waec Biology 2004 Past Questions and Answers

Question 61:

• WAEC 2004

The theory of evolution by natural selection was first put forward by

A. Aristotle
B. Darwin
C. Linnaeus
D. Boyle

Question 62:

• WAEC 2004

(a) What is a habitat?
(b) Describe the energy flow in a freshwater habitat.
(c) List (i) three biotic factors; (ii) five abiotic factors which affect plants in freshwater habitat.

Question 63:

• WAEC 2004

(a)(i) What is a joint?
(ii) List three types of movable joints and mention one location in the mammalian body of each type.
(b)(i) Make a labelled diagram, 8-10cm long, of a typical movable joint.
(iii) Explain how the structure of the joint adapts it to its function.

Question 64:

• WAEC 2004

(a) Distinguish between pollination and fertilization in plants.
(b)(i) State five features which ensure cross pollination in plants.
(ii) Name one plant example for each feature
(c)(i) Name three agents of pollination
(ii) State three features of wind-dispersed fruits/seeds.

Question 65:

• WAEC 2004

(a) Describe an experiment to show that green plants require sunlight for photosynthesis. (Details of test for starch not required)
(b) What other conditions are necessary for photosynthesis?
(c) Name the part of a dicotyledonous leaf where most food is manufactured, giving reasons.
(d) What happens to the manufactured food?