JAMB Agricultural Science Past Questions & Answers - Page 56

276.

_________ is the artificial watering of farmland.

A.

Application

B.

Supplying

C.

Manuring

D.

Irrigation

Correct answer is D

Irrigation(watering) is the artificial watering of farmland especially during dry season.

277.

The removal of excess seedlings from a seedbed after the viable seeds have germinated is

A.

Supplying

B.

Thinning

C.

Weeding

D.

Mulching

Correct answer is B

Thinning is the removal of excess, weak or not well positioned seedlings from a seedbed after the viable seeds have germinated.

278.

The following are post planting operations except

A.

Thinning

B.

Supplying

C.

Mulching

D.

Ridging

Correct answer is D

Post planting operations are the operations carried out after planting. It creates a good condition and proper maintenance for plants growth e.g Thinning, Supplying, Mulching, Harvesting.

279.

__________ is a special place prepared for raising seedlings which are later taken to the field for proper planting.

A.

Nursery

B.

Seed space

C.

Primary

D.

Secondary

Correct answer is A

Nursery is a special place prepared for raising seedlings which are later taken to the field for proper planting (transplanting).
Seedlings are grown in nursery beds, seed trays or boxes, basket or polythene bags may be used as boxes. E.g. of such crops are cocoa, kola, tomatoes, citrus etc.

 

280.

__________ is the distance of the sown seed in the soil from the soil surface.

A.

Planting height

B.

Planting depth

C.

Planting width

D.

Plant deep

Correct answer is B

Planting depth is the distance of the sown seed in the soil from the soil surface. The correct planting depth is one that places the seed where it can imbibe water.