Jamb Agricultural Science 2020 Past Questions and Answers

Question 61:

• JAMB 2020

When a cockerel is castrated, it becomes a

A. Broiler
B. Cock
C. Layer
D. Capon

Question 62:

• JAMB 2020

Which of the following characteristics is not correct of pigs?

A. Prolific animals
B. Efficient feed converters
C. Source of meat
D. Source of land

Question 63:

• JAMB 2020

The best control ensure for rinderpest disease in cattle is

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

Question 64:

• JAMB 2020

Which of the following is not an advantage of drip-irrigation?

A. Fertilizers can be applied through the system
B. There is reduction in the concentration of salt in the root zone
C. The system operates on a much lower line pressure than sprinkler system
D. Its efficiency on water distribution in steep slopes is poor

Question 65:

• JAMB 2020

The windmill is normally used as a source of power in

A. Pumping well water
B. Soil drainage
C. Ridging
D. Erosion control