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How do pollen grains withstand high temp...

How do pollen grains withstand high temperature and strong acids?

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Due to presence of highly resistant sporopollen in exine layer.
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Knowledge Check

  • The nourishment to the developing pollen grains within a microsporangium is provided by :

    A
    Tapetum cells
    B
    Microspore mother cells
    C
    Epidermal cells
    D
    Endothecium cells

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