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प्रश्न
Define fertilization.
उत्तर
Fertilisation is defined as the fusion of the male and female gametes.
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संबंधित प्रश्न
'Formation of primary endosperm nucleus is called triple fusion'. Give reason
(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.
Given ahead is a diagrammatic sketch of the sectional view of a germinating pollen grain. Study the same and then answer the question that follows:
Name the parts labelled 1, 2, 3, 4 and 5.
Even though each pollen grain has 2 male gametes, why at least 20 pollen grains are required to fertilize 20 ovules in a particular carpel?
Define triple fusion.
Which of the following is the CORRECT sequence of events during double fertilization in Angiosperms?
The success of seed plants on land is mainly due to ______.
In a breeding experiment, the selected male parent is diploid and the female parent is tetraploid. What will be the ploidy level of the endosperm that will develop after double fertilisation?
The total number of nuclei involved in double fertilisation in angiospersm are ______.
What is the function of the two male gametes produced by each pollen grain in angiosperms?
