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.

396.

Monocotyledonous crops include

A.

Oil palm, rice, and plantain

B.

Cowpea, pepper and tomato

C.

Garden egg, cassava and mango

D.

Rubber, cashew and orange

Correct answer is A

No explanation has been provided for this answer.

397.

Water can be conserved in the soil by

A.

Mulching, strip cropping and cover cropping

B.

Weeding, strip cropping and clean clearing

C.

Clean clearing, mulching, and strip cropping

D.

Cover cropping, mulching and weeding

Correct answer is A

No explanation has been provided for this answer.

398.

Nitrogen is important in plants because it is mainly needed in

A.

Fruit formation

B.

Root development

C.

Leaf formation

D.

Cell division

Correct answer is C

No explanation has been provided for this answer.

399.

Potassium deficiency in cereal crops is indicated by

A.

Browning of leaves Trom the tips and margins

B.

Yellowing of younger leaves

C.

Purpling of leaves

D.

White and irregular spots on leaves

Correct answer is A

No explanation has been provided for this answer.

400.

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

Calculate the porosity of the soil sample.

A.

28.21%

B.

42.31%

C.

45.83%

D.

61.54%

Correct answer is A

No explanation has been provided for this answer.