Waec Biology 1993 Past Questions and Answers

Question 41:

• WAEC 1993

The use of predators or parasites to control pests in the farm is known as

A. Predator control
B. Chemical control
C. Biological control
D. Animal control
E. Parasitic control

Question 42:

• WAEC 1993

Which of the following substances cannot control the growth of harmful micro organisms?

A. Antibiotics
B. Hypertonic salt solution
C. Disinfectants
D. Isotonic sugar solution
E. Antiseptics.

Question 43:

• WAEC 1993

Which of the following is the underlining Principle in the adoption of biological control of pests?

A. Knowledge of agricultural practices by the farmer
B. Relationship between plants and animals
C. The presence of poisonous chemicals in the farm
D. The relative population of plants and animals in the farm
E. The predator prey relationship in ecological community

Question 44:

• WAEC 1993

The largest game reserve in Nigeria is the

A. Kianji game reserve in Niger state
B. Zamfara Forest Reserve In Sokoto state
C. Yankari game reserve in Bauchi state
D. Borgu park reserve in Niger state
E. Oban hill Game reserve in Cross River state

Question 45:

• WAEC 1993

The following agencies are responsible for conservation of in Nigeria except

A. Forest department
B. Nigerian conservation society
C. Games reserve authority
D. Nigerian red cross society
E. Ministry of agriculture and Natural resources