WAEC Agricultural Science Past Questions & Answers - Page 47

231.

Reduction of ten seedlings of maize to two per stand is referred to as

A.

Thinning

B.

Spacing

C.

Weeding

D.

Pruning

Correct answer is A

Thinning is the removal of some or parts of plants, to make room for the growth of others but does not involve the cutting of the whole tree.

 

232.

Calculate the area of the farmland.

A.

0.32ha

B.

0.36ha

C.

0.47ha

D.

0.52ha

Correct answer is B

No explanation has been provided for this answer.

233.

All but one are related to surface irrigation?

A.

Mole drainage

B.

Natural flooding

C.

Sprinkler irrigation

D.

Check flooding

Correct answer is D

Mole drainage is a subsurface method of draining clay soils that experience regular waterlogging from irrigation or high rainfall.

234.

The illustrated equipment is used for?

A.

Making drills

B.

Marking stations

C.

Marking chain lengths

D.

Making holes for transplating

Correct answer is A

No explanation has been provided for this answer.

235.

The illustrated equipment is called?

A.

Arrow

B.

Harpoon

C.

Wooden peg

D.

Ranging pole

Correct answer is D

No explanation has been provided for this answer.