Waec Biology 2004 Past Questions and Answers

Question 36:

• WAEC 2004

Conservation of soil fertility employs crop rotation because

A. Crops are allowed to grow at their own rates
B. It encourages the healthy growth of plants
C. It allows utilization of soil nutrients at different levels
D. Different crops grow at the same time

Question 37:

• WAEC 2004

Which of the following are consumers in these food chains?

A. Maize and rabbits
B. Chicken, rats and maize
C. Eagle, maize and snakes
D. Humans, eagle and snakes

Question 38:

• WAEC 2004

An importance of food web is that living organisms

A. Use web to collect food
B. Can live on their own
C. Have to form a web
D. Depend on one another for their existence

Question 39:

• WAEC 2004

The continuity of an ecosystem depends on constant flow
of energy and circulation of matter. However,
the amount of energy passed on from decomposers to
producers should be

A. Great
B. Small
C. Reversible
D. Zero

Question 40:

• WAEC 2004

Which of the following features enables the tapeworm to live successfully in the small intestine of human?

A. Hook and suckers for strong attachment
B. Along neck for forming young proglottis
C. The absence of segmentation and appendages
D. Possession of flame cells for excretion