JAMB Agricultural Science Past Questions & Answers - Page 17

81.

What is the process of removing the horns of cattle called?

A.

Mating

B.

Dipping

C.

Dehorning

D.

Castration

Correct answer is C

Dehorning is the process of removing the horns of livestock. Cattle, sheep, and goats are sometimes dehorned for economic and safety reasons.

82.

The following processes in crops are sensitive to daylength except

A.

Fruiting

B.

Growth

C.

Flowering

D.

Branching

Correct answer is D

Fruiting, growth and flowering are sensitive to daylength but not branching.

83.

Financial assistance from government to the farmers is usually in the following forms except

 

A.

Loan

B.

Tax

C.

Credit

D.

Subsidy

Correct answer is B

Financial assistance from the government to farmers is usually in the form of the following:
- Loan
- Credit facility
- Subsidy

84.

The main objectives of agriculture is

A.

Income generation

B.

Provision of employment

C.

Food production

D.

Provision of shelter

Correct answer is C

The main objective of agriculture is to produce food for the general human population.

 

85.

What is the percentage water content of soil sample which weighed 180g when fresh and 120g when oven-dried?

A.

20.14%

B.

25.00%

C.

33.33%

D.

60.00%

Correct answer is C

Mass of fresh soil = 180g
Mass of over dried soil = 120g
Mass of water = 180g - 120g = 60g

% of Water = 60g/18og  x 100

= 1/3 x 100 = 33.33%