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Transport in Pl...

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  • Question 1
    4 / -1

    Water moves up against gravity and even for a tree of 20m height, the tip receives water within two hours. The most important physiological phenomenon which is responsible for the upward movement of water is _______.

  • Question 2
    4 / -1

    Unidirectional flow of water, minerals, some organic nitrogen and hormones occurs through

  • Question 3
    4 / -1

    Which of the following statements is incorrect? 

  • Question 4
    4 / -1

    The transpiration-driven ascent of xylem sap depends mainly upon ____ property of water.

  • Question 5
    4 / -1

    Phloem sap is mainly made of

  • Question 6
    4 / -1

    The given diagram shows a potato plant forming new tubers.
    Which route would be taken by most of the food at this time?

  • Question 7
    4 / -1

    Read the given statements and select the correct options.
    Statement 1: Xylem transport is unidirectional.
    Statement 2: Phloem transport is bi-directional.

  • Question 8
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    The manufactured food in a green plant moves from the leaves ot other parts through

  • Question 9
    4 / -1

    Organic substances such as sugars are translocated in the phloem. It can be demonstrated by

  • Question 10
    4 / -1

    Mass flow hypothesis was first described by

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