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Dicliny allows prevention of
Option: 1
Autogamy

Option: 2
Allogamy

Option: 3
Geitonogamy

Option: 4
Xenogamy

Answers (1)

best_answer

As we have learnt in Outbreeding Devices -

Majority of flowering plants produce hermaphrodite flowers and pollen grains are likely to come in contact with the stigma of the same flower.
Continued self-pollination results in inbreeding depression.
Flowering plants have developed many devices to discourage self-pollination and to encourage cross-pollination.

Wherein,

- Dicliny:

Cross-pollination is the rule among diclinous plants, i.e., those bearing unisexual flowers.
In dioecious plants, nothing else can take place.
In monoecious plants, the only alternative is geitonogamy which, however, has the same effect as self-pollination.

Hence, the correct answer is option a.

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