1. [C] screen towards the mirror Remember, If the object is at infinity, screen should be moved towards mirror, so you will obtain to sharp image. Hence, as per the question, your answer will be Option [C].

    [C] screen towards the mirror
    Remember, If the object is at infinity, screen should be moved towards mirror, so you will obtain to sharp image. Hence, as per the question, your answer will be Option [C].

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  2. [A] Transport of water Xylem tissues include tracheid’s, parenchyma, vessels, fibres and serve in the ascent of sap or water and minerals.

    [A] Transport of water
    Xylem tissues include tracheid’s, parenchyma, vessels, fibres and serve in the ascent of sap or water and minerals.

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  3. The process of separation by pure crystals of a substance from its hot and supersaturated solution on cooling is called crystallisation.

    The process of separation by pure crystals of a substance from its hot and supersaturated solution on cooling is called crystallisation.

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