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.
A comprehensive list of Agricultural science questions with answers to help you prepare for JAMB, WAEC, NECO, Post UTME exams.
Climatic factors which affects organisms include the following except
Air
Sunlight
Rain
Rocks
Correct answer is D
A rock is a solid collection of mineral grains that grow or become cemented together. some rocks are large while others are small.
Primary tillage is also known as
Ploughing
Harrowing
Stumping
Ridging
Correct answer is A
Ploughing is cutting through the soil and making it into lumps or clods of soil. It is called primary tillage. While secondary tillage (harrowing) is the use of harrow to break down the large clods of soil into fine particles and making it ready for ridging.
Which of the following processes is not used in rice processing?
Threshing
Winnowing
Parboiling
Fermentation
Correct answer is D
Fermentation is the breakdown of a substance by bacteria, yeasts or other microorganisms typically invovolving effervescence and the giving off of heat. Threshing, Winnowing and perboiling are used in rice processing.
The following problems are usually associated with subsistence agriculture except
Family labour supply is unreliable
Simple tools are used
It requires a large area of land
No surplus for sale
Correct answer is C
The practice of commercial agriculture requires several hectares of land to operate successfully.
This is the removal of unwanted plants on the farm
Weeding
Thinning
Mulching
Supplying
Correct answer is A
Weeding is the removal of unwanted plants (weeds) from the farm. It can be done with the aid of cutlass and hoes or by spraying herbicide. It is done for the following reasons:
-To avoid competition for nutrients, moisture, sunlight and space between crops and weed.
-To prevent the buildup of pest and pathogens.