WAEC Agricultural Science Past Questions & Answers - Page 305

1,521.

The major pest of maize in Southern Nigeria is called

A.

Budworm

B.

Stem borer

C.

Leaf worm

D.

Aphid

E.

Mealy bug

Correct answer is B

No explanation has been provided for this answer.

1,522.

The physiological changes that show up during disease attack on crop plants are referred to as

A.

Signs

B.

Symptoms

C.

Necrosis

D.

Deformations

E.

Abnormalities

Correct answer is B

No explanation has been provided for this answer.

1,523.

The system of growing arable crops at the early stage of forest establishment is referred to as

A.

Selective exploitation

B.

Regeneration

C.

Afforestation

D.

Taungya system

E.

Forest regulation

Correct answer is D

No explanation has been provided for this answer.

1,524.

A major raw material of the paper industry is

A.

Pulp

B.

Gum

C.

Latex

D.

Bark

E.

Dye

Correct answer is A

No explanation has been provided for this answer.

1,525.

The act of clearing forests is termed

A.

Regeneration

B.

Afforestation

C.

Deforestation

D.

Silviculture

E.

Forest management

Correct answer is C

No explanation has been provided for this answer.