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.

401.

Use the information below to answer this question.

In an experiment on soil porosity, the following results were obtained:
Volume of dry soil = 52cm³
Volume of water= 48cm³
Volume of soil and water=78cm³

Determine the volume of airspace in the soil sample.

A.

22cm³

B.

26cm³

C.

30cm³

D.

100cm³

Correct answer is D

No explanation has been provided for this answer.

402.

A difference between physical and chemical weathering is that

A.

There is a change in the mineral composition of rock in physical weathering

B.

The mineral composition of rock is changed in chemical weathering

C.

Carbonation is necessary in physical weathering

D.

Wind is necessary in chemical weathering

Correct answer is B

No explanation has been provided for this answer.

403.

Decomposition of soil organic matter is mainly caused by

A.

Bacteria

B.

Algae

C.

Fungi

D.

Nematodes

Correct answer is A

No explanation has been provided for this answer.

404.

The main factors responsible for rock weathering in the desert are high temperature and

A.

Animal activity

B.

Water

C.

Wind

D.

Root growth

Correct answer is B

No explanation has been provided for this answer.

405.

Ranging poles used in farm surveying have characteristics

A.

Green and white bands

B.

Blue and white bands

C.

Red and white bands

D.

Black and red bands

Correct answer is C

No explanation has been provided for this answer.