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Biology Test 20...

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  • Question 1
    4 / -1

    With decrease in atmospheric pressure the rate of transpiration will :

  • Question 2
    4 / -1

    Which of the following processes is an essential evil for plants ?

  • Question 3
    4 / -1

    Which of the following statement is incorrect for facilitated diffusion ?

  • Question 4
    4 / -1

    Plant factor that affects transpiration, does not include:-

  • Question 5
    4 / -1

    Function of companion cells is :-

  • Question 6
    4 / -1

    Percentage of water reaching the leaves, which is used for photosynthesis and plant growth :-

  • Question 7
    4 / -1

    Mass flow is the movement of substances in bulk or en mass from one point to another as a result of :-

  • Question 8
    4 / -1

    In the given diagram if TP of cell 'B' increases to 18. What would be the net direction of water movement ?

  • Question 9
    4 / -1

    Guttated fluid is :-

  • Question 10
    4 / -1

    Cohesion tension transpiration pull model used to explaining :

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