Which process is not prevented in maize?

  • A
    Autogamy
  • B
    Allogamy
  • C
    Geitonogamy
  • D
    Both $B$ and $C$

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Which of the following mechanisms prevents self-pollination?

Both,autogamy and geitonogamy are prevented in

In which of the following mechanisms is there a physical barrier between the stigma and the anther in bisexual flowers?

Assertion $(A) -$ Flowering plants have developed many outbreeding devices to discourage self-pollination and to encourage cross-pollination.
Reason $(R) -$ Continued self-pollination results in inbreeding depression.

Dichogamy,which helps in cross-pollination,is a floral mechanism in which:

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