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Question
'Formation of primary endosperm nucleus is called triple fusion'. Give reason
Solution
In angiosperms, one of the two male gametes fuses with the diploid secondary nucleus to form a triploid primary endosperm nucleus. This process is called triple fusion.
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RELATED QUESTIONS
(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.
Explain the Following Term:
Ornithophily
What happens to the following after fertilization?
Ovules
Define fertilization.
Give any four points of significance of double fertilization.
Match the following
| I) | External fertilization | i) | pollen grain |
| II) | Androecium | ii) | anther wall |
|
III) |
Male gametophyte | iii) | algae |
| IV) | Primary parietal layer | iv) | stamens |
Caruncle develops from
Double fertilization is fusion of ______.
Fusion of one of the male gametes with egg nucleus is referred to as ______.
All the events from pollen deposition on the stigma until pollen tubes enter the ovules are together referred to as ______.
