The mesophyll layer of a leaf consists of

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Which of the following cycles involves the process of precipitation and transpiration?

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Which of the following processes removes carbon from the atmosphere?

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A seed of a flowering plant can best be described as

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Spectacles with convex lenses correct long-sightedness by

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The part of the ear which contains nerve cells sensitive to sound vibrations is the

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The reason why hospitals use saline solutions as drip instead of water is

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What physiological term can he used to describe the regulation of the body temperature of the lizard? ‘

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Which of the statements below is valid?

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Which of the following organisms have kidney as their excretory organ?

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A group of rats placed in an air-tight box for some hours died because they

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Which of the following features is not characteristic of arteries? Arteries

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