WAEC Agricultural Science Past Questions & Answers - Page 158

786.

A regulatory control of diseases in crop production is

A.

Rouging

B.

Quarantine

C.

Crop rotation

D.

Soil tillage

Correct answer is B

No explanation has been provided for this answer.

787.

In crop production, ginger is propagated by

A.

Seed

B.

Bulb

C.

Rhizome

D.

Corm

Correct answer is C

No explanation has been provided for this answer.

788.

Tomatoes are staked in order to

A.

Accelerate their growth

B.

Induce flowering

C.

Accelerate fruit ripening

D.

Prevent rotting of fruits

Correct answer is D

No explanation has been provided for this answer.

789.

Corms, rhizomes and tubers are examples of

A.

Underground stems

B.

Underground roots

C.

Modified leaves

D.

Aerial stems

Correct answer is A

No explanation has been provided for this answer.

790.

The correct sequence for the use of coupled implements for land preparation is

A.

Plough, harrow and ridger

B.

Harrow, ridger and plough

C.

Plough, ridger and harrow

D.

Harrow, plough and ridger

Correct answer is A

No explanation has been provided for this answer.