Waec Biology 2009 Past Questions and Answers

Question 46:

• WAEC 2009

Which of the following factors will most likely lead to overcrowding within a population?

A. Absence of predators
B. Emigration
C. Food shortage
D. Absence of territorial behaviour

Question 47:

• WAEC 2009

A species whose populations has become so small that it may become extinct if not protected is a/an

A. Special species
B. Dangerous species
C. Endangered species
D. Important species

Question 48:

• WAEC 2009

Which of the following practices does not contribute to the preservation and improvement of the environment?

A. Pollution reduction
B. Material recycling
C. Reforestation
D. Overgrazing

Question 49:

• WAEC 2009

Variation is important in human life and can be used for the following activities except

A. Crime detection
B. Population distribution
C. Blood transfusion
D. Determination of paternity

Question 50:

• WAEC 2009

An example of continuous variation is

A. Fingerprint
B. Tongue rolling
C. Blood grouping
D. Body size