Self-incompatibility is a device for

$I$. Ensuring cross-pollination

$II$. Preventing self-pollination

$III$. Ensuring self-fertilisation

$IV$. Genetic control for self-fertilisation

Choose the correct statements from those given above

  • A

    $I, II \;and \;III$

  • B

    $I, II \;and \;IV$

  • C

    $I, III \;and\; IV$

  • D

    $I, II, III \;and\; IV$

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