Agricultural Science 2020 Jamb Examination
Agricultural Science 2020 Jamb Examination
Question 71
Plant breeders aim at obtaining the following except
The correct answer is C. Plant breeders do not aim at adaptation of pollination but rather focus on tolerance, resistance, and uniformity for improved yield.
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Question 72
Birds temporarily store their food in the
The correct answer is A. Birds store food temporarily in the crop before it proceeds to the stomach for digestion.
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Question 73
Animal which chew the cud are
The correct answer is C. Ruminants chew the cud as part of their digestive process involving a four-chambered stomach.
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Question 74
Spermatozoa are produced in the
The correct answer is B. The testicles are responsible for sperm production in males.
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Question 75
Which of the following is not a sign of heat in farm animals?
The correct answer is C. Udder enlargement is associated with pregnancy and milk production, not heat.
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Question 76
The act of giving birth in farm animals is called
The correct answer is C. Parturition refers to the act of giving birth in animals.
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Question 77
The mating of a white fulani bull and an N'dama cow could be termed?
The correct answer is D. Mating two different breeds is called cross breeding.
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Question 78
Which of the following factors usually affects the colour of egg yolk?
The correct answer is C. The type of feed, especially the pigments in feed, affects egg yolk colour.
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Question 79
Management practices in a piggery include the following except
The correct answer is D. Vaccination is not carried out weekly but periodically as scheduled.
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Question 80
The process of stopping a young animal from milk and placing it under hand feeding is
The correct answer is C. Weaning is the process of transitioning young animals from milk to other feed.
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