The main function of the petal of a flower is to

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The bright colours of the comb and feathers in the peacock are for

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Which of the following is TRUE of the process of conjugation in paramecium?

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Which of the following is the correct order of the vertebrae along the spinal column?

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The response shown by the tips of the root and shoot of a plant to the stimulus of gravity is

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Members of the phylum protozoa use the contractile vacuole

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The main function of blood in mammals is to transport

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The end products of the digestion of fats and oils in mammals are

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Osmic acid boiled with a solution of food substance gave a black precipitate. This indicates the presence of

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Interveinal chlorosis is normally associated with the deficiency of

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Manufactured food in the plant is transported through the

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The spores of mucor are dispersed by

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