WAEC Agricultural Science Past Questions & Answers - Page 271

1,351.

Which of the following statement is not true about weeds?

A.

Some weeds are parasitic on crop plants

B.

Weeds may harbour crop diseaes

C.

All weeds are grasses

D.

Weeds reduce the nutritional value of a pasture

Correct answer is C

No explanation has been provided for this answer.

1,352.

Which of the following statements is true about the effect of nematode on plants?

A.

The plants wilt

B.

Flowering is induced

C.

The roots grow faster

D.

Leaves develop a mosaic appearance

Correct answer is A

No explanation has been provided for this answer.

1,353.

The main vertebrate pests of rice are

A.

Squirrels

B.

Quela birds

C.

Bush fowls

D.

Monkeys

Correct answer is B

No explanation has been provided for this answer.

1,354.

If the recommended seed rate of maize is 20 kg per hectare, calculate the amount of seeds required for 1.8 hectares of farmland.

A.

11.0kg

B.

16.0kg

C.

26.0kg

D.

36.0kg

Correct answer is D

No explanation has been provided for this answer.

1,355.

During the production of palm oil, the oil palm fruits are boiled in order to

A.

Extract the raw oil from the epicarp

B.

Prevent high level of oil rancidity

C.

Ease separation of mesocarp from the endocrap

D.

Extract oil from the kernel

Correct answer is C

No explanation has been provided for this answer.