JAMB UTME - Biology - 1983
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Urea is produced in the
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One disease NOT caused directly by bacteria is
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The kidneys of all vertebrates act as osmoregulators. This means that they
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Plants which can survive in places where the water supply is limited are
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Which of the following statements is NOT true of mammalian erythrocytes?
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Which of the following statements about the dentition of man is INCORRECT ? man has
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Which of the labelled part in the figure above will develop into new bulb?
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In a positive phototropic response of a coleoptile, the region of greatest curvature is brought about by the
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When spirogyra cell is immersed in a salt solution more concentrated than its cell sap, it
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In a dicot leaf, guard cells differ from other epidermal cells because they
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Which of the following structure is NOT found in the female agama lizard?
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Which of the following elements are necessary for the formation of chlorophyll in a plant?
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Which of the following is NOT a characteristic of monocot plants?
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The function of the ossicles (malleus, incus and stapes) in the mammalian ear is
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What type of fruit is formed from a single flower having several carpels?
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Which sequence represents the correct order of organisms un a food chain? 1. Toad 2. Mucuna 3. Grasshopper 4. Snake 5. Hawk
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A population is defined as the collection of
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A population is a summation of all the organisms of the same group or species, which live in a particular geographical area, and have the capability of interbreeding.
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Which of the following diseases could be exclusively associated with river basin?
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In woody plants, grass and water vapour are transported across the stems by the
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The movement of plant in response to external stimulus of no particular direction is
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Which of the following statements about the rate of transpiration is INCORRECT? It is
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If an organic compound has its hydrogen: oxygen ratio as 2:1, it is likely to be
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Which of the following statements on the mammalian circulatory system is NOT true?
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If an isolated living cell is left in distilled water for two hours, it is likely to
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Which of the following statements is NOT true of insectivorous plants?
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The part of the mammalian brain responsible for maintaining balance is the
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The dental formula of a i(3/3); c(1/1); pm(4/4; m(2/3) = 42 represent that of a
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Which of the following represents the evolutionary sequence in these plants? 1. Flowering plants 2. Ferns 3. Mosses 4. Algae 5. Conifers
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Which of the following instruments is used for determining turbidity of water?
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Which of the following features can be used to identify the figure above?
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Starting from the skull end the vertebrate are arranged in the following order
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28 g soil sample was heated to a constant weight of 24 g. When further heated to red hot and cooled, it weighed 18 g. What is the percentage of humus in the soil?
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What is the genetic ratio of the F2 generation if members of F generation are allowed to self-pollinate?
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