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Absorption by R...

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  • Question 1
    1 / -0

    Swelling of raisins, when placed in a beaker of water, demonstrates the phenomenon of 

  • Question 2
    1 / -0

    Mineral nutrients, which are required by the plants, are absorbed by ____________.

  • Question 3
    1 / -0

    Which of the following is not an importance of turgidity to plants?

  • Question 4
    1 / -0

    The pressure of the cell contents on cell wall is called ______ and the pressure exerted by the cell wall on the cell content is called _______

  • Question 5
    1 / -0

    Which of the following forces is not responsible for ascent of sap?

  • Question 6
    1 / -0

    The upward movement of water in a plant towards the stem and leaves is called________

  • Question 7
    1 / -0

    Match the following:

    Column I Column II
    (A) Imbibition (i) Movement of water molecules across a semipermeable membrane
    (B) Active transport (ii) Free movement of molecules from high to low concentration
    (C) Diffusion (iii) Absorption of water by dead plants or cell by surface attraction
    (D) Osmosis (iv) Passage of a substance from lower to high concentration using energy

  • Question 8
    1 / -0

    Which of the following is the reverse of turgidity?

  • Question 9
    1 / -0

    In a beaker, potassium permanganate dissolves in the water due to 

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