Biology 2016 Jamb Examination

Biology 2016 Jamb Examination
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Question 1

The insects in which the maxillae are modified into a long coiled proboscis is
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In butterflies, the maxillae are modified into a long coiled proboscis used for sucking nectar from flowers.
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Question 2

In which of the following species is the biomass of an individual the smallest?
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Spirogyra is a filamentous green algae and has the smallest individual biomass among the options.
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Question 3

The part of the mammalian ear responsible for the maintenance of balance is the
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The vestibular system, which includes semicircular canals, is responsible for balance in mammals.
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Question 4

Which of the organisms represented are notable agricultural pests
Which of the organisms represented are notable agricultural pests
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Organisms I and IV in the diagram are notable pests affecting crops and agriculture.
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Question 5

An example of a non-biodegradable pollutant is
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Ceramics are inorganic and do not decompose naturally, making them non-biodegradable.
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Question 6

The bacteria that is found in the root nodules of leguminous plants is
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Rhizobium bacteria form symbiotic relationships with leguminous plants and fix atmospheric nitrogen.
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Question 7

Which of these organisms partly digest its food extracellularly?
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Termites secrete enzymes into their food material to break down cellulose outside their bodies before ingestion.
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Question 8

Strong short and conical beak to pick and crush seeds is an adaptive feature of
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Weaver birds have short, strong, conical beaks adapted for picking and crushing seeds.
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Question 9

The path followed by air as it passes through the lungs in mammals is
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Air flows from the trachea into the bronchi, then to bronchioles, and finally reaches the alveoli for gas exchange.
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Question 10

The crossing of individuals of the same species with different genetic characters is
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Cross breeding involves mating individuals of the same species that have different genetic characteristics. This increases genetic variability in the offspring and is commonly used in agriculture and animal husbandry to improve traits.
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Biology 2016 Jamb Examination
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