Waec Agricultural Science 1991 Past Questions and Answers

Question 41:

• WAEC 1991

The best control ensure for rinderpest disease in cattle is

A. Sanitation
B. Isolation
C. Use of antibiotics
D. Eradication of infected stock
E. Vaccination

Question 42:

• WAEC 1991

Management practices of established pasture include the following except

A. Fencing
B. Transplanting
C. Replanting
D. Manuring
E. Re-seedings

Question 43:

• WAEC 1991

Temperature is an important factor which is monitored in fish ponds because

A. It determines the feeding rate in fish
B. Its fluctuation retards fish reproduction
C. It affects the metabolic processes in fish
D. It decreases the reaction of fishes to other water organisms
E. It reduces the effect of decaying materials in ponds

Question 44:

• WAEC 1991

Diarrhoea tainted with blood is a symptom of

A. Trypanosomiasis
B. Coccidiosis
C. Ketosis
D. Brucellosis
E. Aspergilliosis

Question 45:

• WAEC 1991

The major cause of spoilage in fresh fish is

A. High humidity
B. Fungal attack
C. High moisture content
D. Bacterial attack
E. Protozoa