WAEC Past Questions and Answers - Page 1730

8,646.

Which of the following statements is not an advantage of drainage? It

 

A.

Removes excess water

B.

Supplies moisture for plant growth

C.

Reclaims water-logged land and swamps

D.

Improves soil structure

Correct answer is B

No explanation has been provided for this answer.

8,648.

I. Allowing land to fallow 
II. Applying organic fertilizer 
III. Practicing monoculture 
IV. Growing legumes. 
Which of the following combinations will help to improve soil fertility status?

A.

I, III and IV only

B.

II, III and IV only

C.

I, II and III only

D.

I, II and IV only

Correct answer is D

No explanation has been provided for this answer.

8,649.

Chlorosis with characteristic parallel white or yellow streaks observed along the veins of leaves is a deficiency symptom of

A.

Potassium

B.

Magnesium

C.

Phosphorus

D.

Sulphur

Correct answer is B

No explanation has been provided for this answer.

8,650.

Micro-nutrients are likely to be deficient in

A.

Cleared virgin forest soils

B.

Soils with high organic matter

C.

Fine texture soil

D.

Soils with low pH

Correct answer is D

No explanation has been provided for this answer.