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What is self sterility mechanism in flow...

What is self sterility mechanism in flowers which allows only cross-pollination?

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In self sterility, pollen grains of the same flower are not capable to fertilise that flower, e.g., potato, tobacco, tea, etc. Hence, cross-pollination is the rule applied.
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Knowledge Check

  • A mechanism to prevent cross pollination is

    A
    Protogyny
    B
    Protandry
    C
    Heterostyly
    D
    Cleistogamy.

  • The flowers of which plant are not pollinated by bee?

    A
    Sunflower
    B
    Brassica
    C
    Apple and Pear
    D
    None of these

  • Flowers, which are pollinated by insects, are

    A
    colourless
    B
    small in size
    C
    large, coloured and scented
    D
    very large in size

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    Self pollination and Cross pollination.

    Explain the merits and demerits of self and cross pollination.

    What are the disadvantages of cross-pollination?

    In which of the following self - pollination occurs ?

    Which prevents self pollination or Main condition for a plant to perform cross pollination is

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