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प्रश्न
What is self-incompatibility?
उत्तर
Self-incompatibility is a genetic mechanism in angiosperms that prevents self-pollination. It develops genetic incompatibility between individuals of the same species or between individuals of different species. The pollen grains of an anther do not germinate on the stigma of the same flower.
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संबंधित प्रश्न
As a senior biology student you have been asked to demonstrate to the students of secondary level in your school, the procedure (s) that shall ensure cross – pollination in a hermaphrodite flower. List the different steps that you would suggest and provide reasons for each of the item.
Why angiosperm anthers are called dithecous?
Give one word/term for the following:
When stigma and anthers do not grow up to the same height, which favors only cross-pollination.
In bisexual flowers, maturation of gynoecium before androecium is known as ______.
Differentiate between geitonogamy and xenogamy.
Answer the following question.
Can a plant flowering in Mumbai be pollinated by pollen grains of the same species growing in New Delhi? Provide explanations to your answer.
Wind pollination is common in ______.
Pollination occurs in ______.
Plants with ovaries having only one or a few ovules are generally pollinated by ______.
Choose the correct statement from the following:
