Home
Class 11
BIOLOGY
The embryo sac of an angiosperms is made...

The embryo sac of an angiosperms is made up of

A

8 cells

B

7 cells and 8 nuclei

C

8 nuclei

D

7 cells and 7 nuclei

Text Solution

Verified by Experts

The correct Answer is:
B

Female gametophyte or embryo sac of angiosperms develops upto 8-nucleate, 7-celled prior to fertilisation. There is a three celled apparatus (one egg cell or oosphere and two synergids), three antipodal cells and two polar nuclei. The two polar nuclie fuse to form a diploid secondary nucleus.
Promotional Banner

Topper's Solved these Questions

  • PLANT GROWTH AND DEVELOPMENT

    NCERT FINGERTIPS|Exercise Plant Growth And Development|154 Videos
  • RESPIRATION IN PLANTS

    NCERT FINGERTIPS|Exercise Respiration In Plants|130 Videos

Similar Questions

Explore conceptually related problems

Embryo sac of an angiosperm is:

Embryo sac of angiosperms contains

A unique phenomenon observed in the embryo sac of angiosperms is

Embryo sac is

Embryo sac is

Secondary nucleus in the middle of an embryo sac of angiosperms is

Describe the development of embryo sac in angiosperm with the help of diagram.

NCERT FINGERTIPS-PLANT KINGDOM-Plant Kingdom
  1. A prothallus is

    Text Solution

    |

  2. Plants of this group are diploid and well adapted to extreme condition...

    Text Solution

    |

  3. The embryo sac of an angiosperms is made up of

    Text Solution

    |

  4. if the diploid number of flowering plant is 36, what would be the chro...

    Text Solution

    |

  5. Protonema is

    Text Solution

    |

  6. The giant redwood tree (Sequoia sempervirens) is a/an

    Text Solution

    |

  7. Assertion: Algae shown only anisogamous type of reproduction. Reason...

    Text Solution

    |

  8. Assertion: Chlorella and spirulina are used as a food supplement by sp...

    Text Solution

    |

  9. Assertion: In chlorophyceae, plant body is usually grass green. Reas...

    Text Solution

    |

  10. Assertion: Brown algae vary from olive green to brown in colour. Reas...

    Text Solution

    |

  11. Assertion: Red colour of rhodophyta is due to abundant formation of r-...

    Text Solution

    |

  12. Assertion: Bryophytes are called asterrestrial amphibians. Reason: B...

    Text Solution

    |

  13. Assertion: Mosses are of great ecological importance. Reason: Mosses...

    Text Solution

    |

  14. Assertion: Spores in mosses are contained within the capsule. Reason...

    Text Solution

    |

  15. Assertion: In pteridophytes, zygote produces a multicellular sporophyt...

    Text Solution

    |

  16. Assertion: Selaginella and Salvinia are homosporus. Reason: Ovules o...

    Text Solution

    |

  17. Assertion: Gymnosperms do not produce fruit Reason: In gymnosperms, ...

    Text Solution

    |

  18. Assertion: stomate are found on the surface of leaves in gymnosperms ...

    Text Solution

    |

  19. Assertion: In gymnosperms, the male and female gametophytes do not hav...

    Text Solution

    |

  20. Assertion: In angiosperms, each cell of the embryo sac is haploid. R...

    Text Solution

    |