2000 JAMB UTME Biology Past Questions

2000

The chamber of the mammalian heart with the thickest wall is the

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The greatest amount of energy will be obtained by the oxidation of 100kg of

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The production of violet colouration, when dilute NaOH solution is added to a solution of food substance, followed by drops of 1% CuSO4 solution while shaking, indicates the presence of

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For growth to occur in organisms, the rate of

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Atmospheric nitrogen is converted to soil nitrogen for plant use by

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An ecological succcession often leads to

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In an experiment to estimate the volume of air in a soil sample using a measuring cylinder, it was found that:Initial volume of water .... = p cm3Volume of soil before mixing with water = q cm3Final volume of water after…

2000

The fruit represented is mainly dispersed by

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The part labelled II is the

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Which of the following are adaptations of animals to aquatic habitats?

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Which of the following growth activities in plants is brought about by gibberellins?

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The range at which soil essential elements concentration is recorded for optimal plant growth is marked

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The soil becomes toxic to plants when the concentration of its essential elements is in the range labelled

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I. High birth rate and high immigration rate II. Low birth rate and high immigration rate II. Low mortality rate and low emigration IV. High mortality rate and high emigration rate. Which combination of the above can cau…

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The factors that determine the distribution of vegetation zones are

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The legs and beak of an egret resemble those of the heron because they

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The disaster that would have the least destructive impact on animal life and balance in nature is

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In a food chain, each succeeding level in a forward direction represents

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Which of the following is an adaptation of forest species?

2000

The older fossil-bearing rocks, in contrast to the more recent ones, are more likely to contain

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