Waec Biology 2003 Past Questions and Answers

Question 26:

• WAEC 2003

Pneumatophores are essential for

A. Nutrition
B. Movement
C. Breathing
D. Growth

Question 27:

• WAEC 2003

Which of the following will have the least effect on the rate of change of the numbers in a population?

A. Food supply
B. Mutation
C. Predation
D. Disease

Question 28:

• WAEC 2003

Competition among individuals of a population increases the

A. Number of organisms
B. Survival of the fittest
C. Availability of nutrient supplied
D. Enlargement of the territory

Question 29:

• WAEC 2003

Rabbits cannot survive in an aquatic because they have

A. Fore-and hind-limbs
B. No gills
C. No fins
D. No scales

Question 30:

• WAEC 2003

Viruses are pathogens of the following diseases except

A. Measles
B. Smallpox
C. Poliomyelitis
D. Tuberculosis