1. [A] Refractive index in medium is gradually changing

    [A] Refractive index in medium is gradually changing

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  2. [D] (ii), (iii) and (iv) Always remember that, xylem transports water and minerals to different parts of the plant in upward direction after taking from the soil. As soil the source of water & minerals. Phloem transports the soluble things, for “photosynthesis” which is done from the leaves, toRead more

    [D] (ii), (iii) and (iv)
    Always remember that, xylem transports water and minerals to different parts of the plant in upward direction after taking from the soil. As soil the source of water & minerals. Phloem transports the soluble things, for “photosynthesis” which is done from the leaves, to different parts of the plant by using energy. Hence, you should choose the option [D].

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  3. The stars, the planets, the moon and many other objects in the sky are called celestial objects.

    The stars, the planets, the moon and many other objects in the sky are called celestial objects.

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