Home
Class 12
BIOLOGY
In a fertilised embryo sac, the haploid,...

In a fertilised embryo sac, the haploid, diploid and triploid structures are

A

synergid, zygote and primary endosperm nucleus

B

synergid, antipodal and polar nuclei

C

antipodal, synergid and primary endosperm nucleus

D

synergid, polar nuclei and zygote

Text Solution

Verified by Experts

The correct Answer is:
A
Synergids are a pair of haploid cells present at the micropylar end of embryo sac and constitute egg apparatus along with haploid egg. Zygote is a diploid structures formed by fusion of male and triploid, formed by fusion of one gamete with the secondary nucleus.
Promotional Banner

Topper's Solved these Questions

  • REPRODUCTIVE HEALTH

    NCERT FINGERTIPS|Exercise Reproductive Health|133 Videos

  • STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

    NCERT FINGERTIPS|Exercise Strategies For Enhancement In Food Production|151 Videos

Similar Questions

Explore conceptually related problems

Embryo sac is

Embryo sac is

An embryo sac has:

In the fully organized Polygonum type of embryo sac, what is the ratioof haploid, diploid and triploid nuclei?

A typical embryo sac is

A trpical embryo sac is

In Capsella, embryo sac is

In an angiosperm the embryo sac is haploid , zygote is diploid and endosperm is triploid. Justify giving reasons for each stage.

Largest cell in embryo sac

NCERT FINGERTIPS-SEXUAL REPRODUCTION IN FLOWERING PLANTS-Sexual Reproduction In Flowering Plants
  1. A particular species of plant produces light, non-sticky pollen in lar...

    Text Solution

    |

  2. From among the situations given below, choose the one that prevents bo...

    Text Solution

    |

  3. In a fertilised embryo sac, the haploid, diploid and triploid structur...

    Text Solution

    |

  4. In an embryo sac, the cells that degenerate after fertilisation are

    Text Solution

    |

  5. While planning for an articifical hybridisation programmme involving d...

    Text Solution

    |

  6. In the embryos of a typical dicot and a grass, true homologous structu...

    Text Solution

    |

  7. The phenomenon observed in some plants wherein parts of the sexual ap...

    Text Solution

    |

  8. In a flower, if the megaspore mother cell forms magaspores without und...

    Text Solution

    |

  9. The phenomenon wherein, the ovary develops into a fruit without fertil...

    Text Solution

    |

  10. Assertion : An angiospermous flower represents the modified condensed ...

    Text Solution

    |

  11. Assertion : A typical microsporangium of angiosperms is generally surr...

    Text Solution

    |

  12. Assertion : In a microsporangium, the tapetal cells possess tittle cyt...

    Text Solution

    |

  13. Assertion : In most angiosperms, microspores of a tetrad grow and sepa...

    Text Solution

    |

  14. Assertion : Exine of a pollen grain is made up of sporopollenin which ...

    Text Solution

    |

  15. Assertion : The method of development of embryo sac from a single func...

    Text Solution

    |

  16. Assertion : Although geitonogamy is functionally crosspollination invo...

    Text Solution

    |

  17. Assertion : Hydrophily constitues a major mode of pollination in most ...

    Text Solution

    |

  18. Assertion : Only the pre-pollination growth of male gametophyte occurs...

    Text Solution

    |

  19. Assertion : Self-incompatibility is a genetic mechanism which prevents...

    Text Solution

    |

  20. Assertion : In angiosperms, endosperm development precedes embryo deve...

    Text Solution

    |