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Typical angiosperm embryo sac is 7 celle...

Typical angiosperm embryo sac is 7 celled and 8 nucleate. This condition occurs due to the development of megaspore mother cell.
a) How many meiotic and mitotic divison takes place?
b) What you mean by monosporic development?

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a) Single meiotic division and 3 mitotic division.
b) Single functional megaspore develops into mature embryo sac.
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Embryo sac develops from megaspore mother cell through

Read the following statements and find out the incorrect statements. a. Ovules generally differentiate a single megaspore mother cell (MMC) in the chalazal region of the nucellus. b. The MMC undergoes reduction division and produces four megaspores. c. In a majority of angiosperms, one of the megaspore is degenerated while the other three remains functional. d. The nucleus of the functional megaspore divides mitotically three times and form 2-nucleate, 4-nucleate and later 8-nucleate stages of the embryo sac. e. These mitotic division are strictly free nuclear, that is, nuclear division are immediately followed by cell wall formation.

MAXIMUM PUBLICATION-SEXUAL REPRODUCTION IN FOLLOWING PLANTS-EXERCISE
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