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.
Crop rotation has the following effects on the soil except
Maintenance of soil fertility
Reducing concentration of soil pests
Improving soil structure
Predisposing soil to leaching
Correct answer is D
Crop rotation is the growing of different crops in succession on a piece of land to avoid exhausting the soil and to control weeds, pests, and diseases.
Which of the followings is not an advantage of Introduction?
It enhances greater productivity
It leads to the absence of pests and diseases
It may not perform maximally
Breeds may perform better in terms of quality and quantity
Correct answer is C
Disadvantages of introduction is that it may not perform maximally while others are advantages of introduction.
Leaching of soil nutrients
Very low pH value of land
Lack of soil microbes
High alkalinity of soil
Correct answer is A
Leaching is the loss of water-soluble plant nutrients from the soil, due to rain and irrigation.
A soil with pH2 can be described as
Moderately acidic
Moderately alkaline
Highly acidic
Highly alkaline
Correct answer is C
PH scale is number 1-14.1-6.9 is acidic ,the close it is to 1 the more acidic it becomes and the closer it is to 6.9 the less /slightly acidic it becomes ,while 7 is neutral ,8-12 is alkaline and the closer it is to 12 the highly it gets and the closer it is to 8 the less/slightly alkaline it is.
One of the followings is not a type of pond
Metallic pond
Earthen pond
Concrete pond
Plastic pond
Correct answer is A
It is a confined body of water where fishes are raised under controlled conditions. Fish can also be raised in plastics, fiber stars and wooden rafts.
There are three types of pond: Earthen pond, Concrete pond and Plastic pond.