JAMB Agricultural Science Past Questions & Answers - Page 21

101.

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.

 

102.

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%

103.

________ are less quick to accepting innovations which might be largely due to some of the aforementioned factors

A.

Never adopters

B.

Late adopters

C.

Early adopters

D.

Innovators

Correct answer is C

Early adopters are less quick to accepting innovations which might be largely due to some of the aforementioned factors. If percentage of these set is as low as 10% then such innovation has not been uniformly accepted maybe due to hitch during demonstration or the idea is too complex to understand.

104.

______ introduce new ideas of farming seen in other places to their dwelling.

A.

Innovators

B.

Early adopters

C.

Late adopters

D.

Never adopters

Correct answer is A

Innovators introduce new ideas of farming seen in other places to their dwelling. Due to inexperience or error they might suffer losses and can be encouraged by giving expert advice, granting credit facilities, providing and subsidizing farm inputs, granting insurance cover, providing market for sale of produce.

105.

The following are categories of farmers based on adoption of innovation except

A.

Innovators

B.

Early adopters

C.

Late adopters

D.

Never innovators

Correct answer is D

Never innovators does not belong to the categories of farmers based on adoption of innovation.