Which of the following heart structures is best adapted to cope with double circulation?

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Support in young herbaceous plants is provided by

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The aspects of growth in living organisms include all the following processes except

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Which of the following processes does not contribute towards growth?

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Which of the following environmental conditions is ideal for plant cells to remain turgid?

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During the process of osmosis a semi-permeable membrane allows

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The physical process which occurs when a red blood cell is placed in distilled water causing it to burst and break down is known as

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The folded portion of mitochondrion is called

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Which of the following parts of a cell is not an organelle?

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The structure used for movement in Amoeba is

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Which of the following statements is correct about organs?

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The epidermis of the mammalian skin is an example of a tissue because the cells

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