Agricultural Science questions and answers

Agricultural Science Questions and Answers

A comprehensive list of Agricultural science questions with answers to help you prepare for JAMB, WAEC, NECO, Post UTME exams.

1,966.

Which of the following is not an effect of bush burning on the soil?

A.

Sterilizing soil against some harmful soil micro-organisms

B.

Destroying the structure of soil

C.

Increasing rate of nitrogen mineralization

D.

Predisposing soil erosion

E.

Maintaining high levels of soil nutrients reserves

Correct answer is E

No explanation has been provided for this answer.

1,967.

Adoption of clean clearing of land in the tropical rain forest is not advisable because it

A.

Encourages erosion and leaching

B.

Is very expensive

C.

Is very difficult to practise

D.

Deprives the farmer of continous use of wood

E.

Encourages compaction of soil

Correct answer is A

No explanation has been provided for this answer.

1,968.

Lodging in crops is caused by excess supply of

A.

Potassium

B.

Sulphur

C.

Iron

D.

Nitrogen

E.

Sodium

Correct answer is A

No explanation has been provided for this answer.

1,969.

Which of the following types of fertilizer is recommended for use in high quantities for groundnut production?

A.

Nitrogen fertilizer

B.

Phosphorus fertilizer

C.

Potassium fertilizer

D.

Compost

E.

Potassium and calcium fertilizer

Correct answer is E

No explanation has been provided for this answer.

1,970.

The texture and the mineral composition of soil depend mainly on

A.

Topography

B.

Light intensity

C.

Organic matter

D.

Parent material

E.

Temperature

Correct answer is D

No explanation has been provided for this answer.