Single Choice

From among the situations given below, choose the one that prevents both autogamy and geitonogamy.

AMonoecious plant bearing unisexual flowers.
BDioecious plant bearing only male or female flowers.
Correct Answer
CMonoecious plant with bisexual flowers.
DDioecious plant with bisexual flowers.

Solution

Autogamy can happen in case of bisexual flowers, where the androecium and gynoecium mature at the same time. Geitonogamy can happen in case of monoecious plants, like cucurbits bearing both male and female flowers on the same plant. Dioecious plants bear either male or female flowers, hence cannot undergo self polllination of any type. Example, Carica papaya. So, the correct answer is 'Dioecious plant bearing only male or female' flowers.

SIMILAR QUESTIONS

Anatomy and Morphology of Plants

Cleistogamy is leading over anthesis because

Anatomy and Morphology of Plants

Explain the difference between self-pollination and cross-pollination

Anatomy and Morphology of Plants

List three strategies that a bisexual chasmogamous flower can evolve to prevent self-pollination (autogamy).

Anatomy and Morphology of Plants

Does self-incompatibility impose any restrictions on autogamy? Give reasons and suggest the method of pollination in such plants.

Anatomy and Morphology of Plants

In which one of the following pollination is autogamous?

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