Biology 2015 Jamb Examination
Biology 2015 Jamb Examination
Question 41
The following disrupts the balance in an ecosystem except
Afforestation (planting trees) restores ecological balance, while deforestation, migration, and pollution can disrupt it.
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Question 42
The following animals are viviparous except
Pigeons lay eggs and are oviparous; cows, dogs, and goats give birth to live young (viviparous).
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Question 43
When the solute concentration of the cell and its surrounding medium are the same, the solution is said to be
An isotonic solution has the same solute concentration as the cell, resulting in no net movement of water.
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Question 44
The primary consumer in the food chain below is: Green plants → Grasshopper → Lizard → Snake → Hawk
Primary consumers are herbivores that feed on producers; here, the grasshopper feeds on green plants.
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Question 45
Angiosperms belong to the class
Angiosperms are seed-producing plants, classified under spermatophytes.
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Question 46
In the kidney, both useful substances and wastes are removed from the blood by
Filtration in the glomerulus removes both useful substances and wastes from blood, forming the filtrate.
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Question 47
Which of the following is not part of the mammalian male reproductive organ?
The vulva is part of the female reproductive system, not the male.
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Question 48
The deficiency of vitamin D leads to
Vitamin D deficiency causes rickets, leading to soft and weak bones in children.
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Question 49
One of these is used for excretion in earthworm
Nephridia are excretory organs in earthworms that remove metabolic wastes from the body.
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Question 50
The following group of plants is the most advanced except
Thallophytic plants are simpler and less advanced compared to bryophytes, pteridophytes, and spermatophytes.
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