JAMB Past Questions and Answers - Page 1453

7,261.

Cultural practices can be classified into the following except

A.

Pre-planting operations

B.

Planting operations

C.

Post-planting operations

D.

In-planting operations

Correct answer is D

Cultural practices are the various activities carried out on the farm before, during and after planting to ensure proper growth and establishment of crops.

7,262.

The botanical name of maize is

A.

Corn seed

B.

Zea mays

C.

Rattus rattus

D.

Discorea spp

Correct answer is B

Maize also called corn is a member of the grass family (Gramineae). It produces grains, use as food by human beings and livestock. Zea mays is botanical name of maize.

7,263.

Which of these operations comes first in cultural practice?

A.

Tillage

B.

Ridges

C.

Stumping

D.

Harvesting

Correct answer is C

Stumping is the removal of stumps by digging them out manually using cutlasses and axes. It can also be done mechanically by using bulldozer. Stumps are the left over cut trees on the farm left on the soil surface.

7,264.

Which of the following is not an organic manure?

A.

Green manure

B.

Farmyard manure

C.

Compost

D.

Fertilizer

Correct answer is D

Fertilizers are chemical substances which are usually prepared in the farm, they are made in form of liquid, powder, granules, pellets or crystals

 

7,265.

One of the limitation of mechanization of farms is

A.

Reduction in the cost of production

B.

Exposure of soil to the effects of climate

C.

Increase in yield of crops

D.

Reduction of farm labour

Correct answer is A

Mechanization is the use of machinery to replace human or animal labour, especially in agriculture .This required lot of capital thereby increasing the cost of production.