1. [C] Sour and change Blue litmus to Red You must know that acid turns blue Litmus solution to red. They have a sour taste as in the case of vinegar and are sticky to touch. Hence, your answer will be option [C].

    [C] Sour and change Blue litmus to Red
    You must know that acid turns blue Litmus solution to red. They have a sour taste as in the case of vinegar and are sticky to touch. Hence, your answer will be option [C].

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  2. (C) Remain at the same position When a nail is inserted in the trunk of a tree at a height of 1 metre from the ground, even after 3 years the nail remains at same level.

    (C) Remain at the same position
    When a nail is inserted in the trunk of a tree at a height of 1 metre from the ground, even after 3 years the nail remains at same level.

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  3. (A) Relatively unspecified and thin walled Parenchyma cells are living and have the power to divide. Cells are round or isodiametric, that is, equally extended on all sides. Cells are oval, round, polygonal or elongated with a thin cell wall.

    (A) Relatively unspecified and thin walled
    Parenchyma cells are living and have the power to divide. Cells are round or isodiametric, that is, equally extended on all sides. Cells are oval, round, polygonal or elongated with a thin cell wall.

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  4. Copper will not displace iron from iron sulphate solution because copper is less reactive than iron.

    Copper will not displace iron from iron sulphate solution because copper is less reactive than iron.

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  5. Magnesium oxide is a white powder and sulphur dioxide is a colour less gas.

    Magnesium oxide is a white powder and sulphur dioxide is a colour less gas.

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