Home
Class 12
BIOLOGY
During the formation of embryo sac, the ...

During the formation of embryo sac, the functional megaspore undergoes

A

two mitotic divisions

B

two meiotic divisions

C

three meiotic divisions

D

three mitotic divisions

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • SAY 2018 QUESTION PAPER

    MAXIMUM PUBLICATION|Exercise EXAMPLE|4 Videos

  • STRATEGIES FOR ENHACEMENT IN FOOD PRODUCTION

    MAXIMUM PUBLICATION|Exercise EXERCISE|89 Videos

Similar Questions

Explore conceptually related problems

Out of megaspre tetrad, the functional megaspore is

Embryo sac is found in:

In angiosperms, functional megaspore develops into

In mature embryo sac, the central cell is

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.

In Polygonum type of embryo sac, the cells are

During formation of pollen grains, a microspore mother cell undergoes

What happens during the formation of flourine molecule electron transfer or electron sharing?

Assertion: In majority of angiosperms, there is monosporic type of embryo sac development. Reason: The embryo sac develops from the single functional megaspore.

MAXIMUM PUBLICATION-SEXUAL REPRODUCTION IN FOLLOWING PLANTS-EXERCISE
  1. Egg apparatus of angiosperms consist of One synergid and two egg ce...

    Text Solution

    |

  2. In some organisms, karyokinesis is not followed by cytokinesis as e re...

    Text Solution

    |

  3. During the formation of embryo sac, the functional megaspore undergoes

    Text Solution

    |

  4. One adavantage of Cleistogamy is

    Text Solution

    |

  5. Which one of the following statements is not true?

    Text Solution

    |

  6. Sporopollenin is chemically

    Text Solution

    |

  7. Which one of the following pairs of plant structures has haploid numbe...

    Text Solution

    |

  8. What does filiform apparatus do at the entrance into ovule. It

    Text Solution

    |

  9. Which one of the following plant products is the hardest ?

    Text Solution

    |

  10. A typical angiosperm embryo sac at maturity is

    Text Solution

    |

  11. Why sometimes, even diploid offspring is produced through parthenogene...

    Text Solution

    |

  12. Pollen grains are stored for long period without losing its viability ...

    Text Solution

    |

  13. Filliform apparatus of an embryosac is located at

    Text Solution

    |

  14. Double fertilization is very common in

    Text Solution

    |

  15. In Citrus and mango the polymbryony is the special feature of occuranc...

    Text Solution

    |

  16. Triple fusion takes place in angiosperm is due to

    Text Solution

    |

  17. In 40 percent of angiosperms, pollen grains are shed at

    Text Solution

    |

  18. In artificial hybridization bagging is done to

    Text Solution

    |

  19. How many mitotic divisions are required for the formation of mature em...

    Text Solution

    |

  20. The allergies and bronchial affictions in some people often leading to...

    Text Solution

    |