1. [C] Zinc Zinc (Zn) metal is used to protect iron surface from rusting.

    [C] Zinc
    Zinc (Zn) metal is used to protect iron surface from rusting.

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  2. [C] Localised and dividing cells Meristematic tissues is present in the growing regions of plants, and consists of actively dividing cells e.g., the tips of roots and stems. The cells of meristematic tissues are round, oval, polygonal or rectangular. They are closely packed without intercellular spaRead more

    [C] Localised and dividing cells
    Meristematic tissues is present in the growing regions of plants, and consists of actively dividing cells e.g., the tips of roots and stems. The cells of meristematic tissues are round, oval, polygonal or rectangular. They are closely packed without intercellular spaces, have thin cellulose walls, dense cytoplasm and prominent nuclei.

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  3. [A] Relatively unspecified and thin walled Parenchyma cells make up the bulk of the plant body. Its cells are alive and have the power to divide. The cells are round or isodiametric, that is, evenly spaced on all sides. Cells are oval, round, polygonal or elongated with a thin cell wall. It enclosesRead more

    [A] Relatively unspecified and thin walled
    Parenchyma cells make up the bulk of the plant body. Its cells are alive and have the power to divide. The cells are round or isodiametric, that is, evenly spaced on all sides. Cells are oval, round, polygonal or elongated with a thin cell wall. It encloses a dense cytoplasm, containing small nuclei and enclosing the large central vacuole.

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