Biology 2008 Jamb Examination
Biology 2008 Jamb Examination
Question 1
In terms of the number of individuals, which of the following taxa is most inclusive?
Class is more inclusive than order, family, or species because it contains multiple orders.
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Question 2
A characteristic that can possibly be shared by both living and non living organisms is
Both living and non-living things can increase in size, but only living things exhibit other life characteristics like irritability or locomotion.
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Question 3
The cell of an onion bulb can be differentiated from a cheek cell by the presence of
Onion cells have a cell wall, which is absent in animal cells like cheek cells.
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Question 4
In plants, the structure that performs a similar function with the testis in mammals is the
The anther produces pollen (male gametes) similar to how the testis produces sperm in mammals.
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Question 5
The bacteria type that are arranged in chains are the
Streptococci form chains of spherical bacteria, unlike staphylococci which form clusters.
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Question 6
The most abundant group of organisms in the animal kingdom is
Insects (Class Insecta) are the most abundant group of animals both in terms of number of species and individuals. They occupy nearly every habitat on Earth and have adapted to a wide range of ecological niches, making them highly successful in terms of population size.
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Question 7
Radial symmetry is a feature common to
Coelenterates (such as jellyfish and sea anemones) exhibit radial symmetry, meaning their body can be divided into similar halves along multiple planes passing through the central axis. This adaptation is suitable for sessile or free-floating aquatic life.
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Question 8
Which of the following is used mainly for balancing in fish?
The dorsal fin in fish provides stability and helps prevent rolling as the fish swims. It acts as a keel, allowing the fish to maintain balance in water while maneuvering.
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Question 9
The beak of a duck is structurally adapted for
A duck's beak is broad and flat with lamellae that help in scooping and sieving small food particles such as aquatic plants, insects, and plankton from water. This adaptation enables efficient feeding in aquatic environments.
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Question 10
The most important characteristic that makes reptiles to conquer terrestrial habitats is the possession of
The amniotic egg allows reptiles to reproduce on land without needing water, as it contains a protective shell and membranes that prevent desiccation. This adaptation was crucial for the conquest of terrestrial habitats.
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