Biological growth refers strictly to an increase in the

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The sex of a foetus is determined during

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The term caryopsis is used to describe a fruit in which the

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When a healthy shoot of a flowering plant is illuminated from one side, auxins, accumulate on the

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During the bending of the arm, the biceps muscles

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The excretory structure in the earthworm is the

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During respiration, air circulates round plant tissues via the

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The end product of glycolysis in plants and animals is

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Which of following is NOT involved in the transport of substance in the body?

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The mammalian organ which acts both as a digestive and as an endocrine organ is the

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Which vitamin plays an important role in blood clotting?

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In an experiment to investigate the effect of nitrogen on the growth of plants, the substrate should be a medium of

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