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प्रश्न
What is Siphonogamy?
Define the siphonogamy.
उत्तर
The pollen tube carrying male gametes penetrates in one of the synergids. Watery contents of synergid are absorbed by the pollen tube, which then ruptures and releases the contents, including the two non-motile male gametes. As non-motile male gametes are carried through hollow pollen tubes, it is known as siphonogamy that ensures fertilization to take place.
संबंधित प्रश्न
(a) Explain the events after pollination leading to the formation of a seed in angiosperms.
(b) Mention the ploidy levels of the cells of different parts of an albuminous seed.
Give one word/term for the following:
When pollen grains of a flower reach the stigma of the same flower.
Explain the Following Term:
Ornithophily
Given ahead is a diagrammatic representation of the process of fertilization. Study the same and then answer the question that follows:
What part does the stigma play in the process of fertilisation?
Size of pollen grain in Myosotis
Identify the incorrect pair
Caruncle develops from
In majority of plants pollen is liberated at
The success of seed plants on land is mainly due to ______.
Ovules fall off after fertilization.
