Agricultural Science 2024 Jamb Examination
Agricultural Science 2024 Jamb Examination
Question 41
Which of the following group of crops can be attacked by smut diseases?
Smut diseases typically attack cereal crops such as maize, sugarcane, and sorghum (guinea corn).
Banana and yam are not commonly affected by smut, so the correct group is sugarcane, maize and banana due to the presence of key cereal crops.
Banana and yam are not commonly affected by smut, so the correct group is sugarcane, maize and banana due to the presence of key cereal crops.
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Question 42
Which of the following feedstuff does not contain phosphorus?
Limestone and oyster shell are primarily sources of calcium and do not contain significant phosphorus.
Fish meal and blood meal are rich in phosphorus.
Therefore, limestone is the feedstuff that does not contain phosphorus.
Fish meal and blood meal are rich in phosphorus.
Therefore, limestone is the feedstuff that does not contain phosphorus.
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Question 43
An accessory sex gland in bull is
The prostate gland is an accessory sex gland in bulls that contributes fluids to the semen.
Thyroid and pituitary glands are endocrine glands, and the pancreas is a digestive and endocrine organ, not a reproductive accessory.
Thyroid and pituitary glands are endocrine glands, and the pancreas is a digestive and endocrine organ, not a reproductive accessory.
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Question 44
Gestation period is defined as the time
Gestation period refers to the time between conception (fertilisation) and parturition (birth).
It does not refer to ovum release, fertilisation, or the birth itself, but the entire developmental period inside the mother.
It does not refer to ovum release, fertilisation, or the birth itself, but the entire developmental period inside the mother.
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Question 45
Which of the following livestock endoparasite is a hermaphrodite?
Tapeworms are hermaphroditic, possessing both male and female reproductive organs in each segment.
Roundworms and liver flukes have separate sexes, and trypanosomes are unicellular protozoa.
Roundworms and liver flukes have separate sexes, and trypanosomes are unicellular protozoa.
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Question 46
Which of the following is not a characteristic of a good pasture?
A good pasture should provide balanced nutrients, be high-quality, and withstand trampling.
A high stem to leaf ratio is undesirable because leaves provide more nutrients than stems, so this is not a characteristic of a good pasture.
A high stem to leaf ratio is undesirable because leaves provide more nutrients than stems, so this is not a characteristic of a good pasture.
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Question 47
The water-snail is important in the life cycle of
The water snail acts as an intermediate host in the life cycle of liver flukes, allowing the parasite to develop before infecting the definitive host.
Other parasites listed do not use water snails as part of their life cycle.
Other parasites listed do not use water snails as part of their life cycle.
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Question 48
Which of the following will not be affected by an excessive amount of water content in feeds?
Excessive water in feeds leads to decreased nutritive value, mold growth, and formation of toxic products.
It does not improve feed quality, so improving quality is not affected by water content.
It does not improve feed quality, so improving quality is not affected by water content.
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Question 49
Andropogon gayanus is commonly called
Andropogon gayanus is widely known as guinea grass and is used for pastures.
Spear grass, gamba grass, and elephant grass are different species with distinct characteristics.
Spear grass, gamba grass, and elephant grass are different species with distinct characteristics.
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Question 50
The correct sequence of the components of a goat's stomach is
The correct sequence in ruminants such as goats is rumen → reticulum → omasum → abomasum.
This sequence allows proper fermentation and digestion of feed, with the abomasum acting as the true stomach at the end of the process.
This sequence allows proper fermentation and digestion of feed, with the abomasum acting as the true stomach at the end of the process.
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