Home
Class 12
BIOLOGY
Assertion: In haploid organism, speciali...

Assertion: In haploid organism, specialised cells called meiocytes (gamete mother cells) undergo reduction division.
Reason: The plant body of the monera, fungi , algae and bryophytes is haploid.

Text Solution

Verified by Experts

The correct Answer is:
D
In diploid orgamis, specialised cells called meiocyte (gamete mother cell) undergo reduction division.
Chromosome number in the gamete is half the number of chromosome in meiocyte.
Promotional Banner

Topper's Solved these Questions

  • REPRODUCTIVE IN ORGANISMS

    A2Z|Exercise SECTION C: Previous Years' Examination Questions (NEET/AIPMT Questions)|22 Videos

  • REPRODUCTIVE IN ORGANISMS

    A2Z|Exercise SECTION C: Previous Years' Examination Questions (AIIMS Questions)|9 Videos

  • REPRODUCTIVE IN ORGANISMS

    A2Z|Exercise Section A: Topicwise Questions (topic 3: Fertilisation And Post-fertilisation Events) The Zygote And|19 Videos

  • REPRODUCTIVE HEALTH

    A2Z|Exercise Section D: Chapter-end Test|50 Videos

  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    A2Z|Exercise Section D Chapter-end Test|50 Videos

Similar Questions

Explore conceptually related problems

Assertion: Several organisms belonging to monera,fungi,algae and bryophytes produces gametes by mitosis. Reason: the plant body of the monera, fungi,algae and bryophytes is haploid.

Which one of the following cells undergo reduction division in the life cycle of bryophytes ?

In diploid organisms gamete mother cells produce gametes. They are called

Assertion : Megaspore mother cell undergoes meiotic division Reason : All four megaspores form female gametophyte.

Haploid cells also undergo mitotic cell division. Give reason.

A: Meiocyte is the gamete mother cell. R: Meiocyte is always haploid.

Assertion : The megaspore mother cell undergoes mitosis to produce four megaspore. Reason : Megaspore mother cells and the megaspore are both haploid.

Assertion : The megaspore mother cell divides mitotically to produce four spores Reason : Megaspore mother cells are diploid and megaspore is haploid.

A flower of brinjal plant, following the process of sexual reproduction , produces 360 viable seeds. Answer the following questions giving reasons: (a) How many ovules are minimally involved ? (b) How many megaspore mother cells are involved ? (c ) What is the minimum no. of pollen grains that must land on stigma for pollination ? (d) How many male gametes are involved in the above case ? (e ) How many microspore mother cells must have undergone reduction division prior to dehiscence of anther in the above case ?

Assertion : Lymph is a colourless fluid containing specialised lymphocytes which are responsible for the immune responses of the body. Reason : Exchange of nutrients, gases etc., between the blood and the cells always occur through this fluid.

A2Z-REPRODUCTIVE IN ORGANISMS-Section B: Assertion-reasoning Questions
  1. Assertion: The sizes of crows and parrots are not very different yet t...

    Text Solution

    |

  2. Assertion: During asexual reproduction, the offspring that are produce...

    Text Solution

    |

  3. Assertion: In Protists and Monerans, the cell division is itself a mod...

    Text Solution

    |

  4. Assertion: Vegetative propagation is a type of asexual reproduction. ...

    Text Solution

    |

  5. Assertion: Water hyacinth spread all over the water body in a short pe...

    Text Solution

    |

  6. Assertion: Eichhornia crassipes was introduced in India because of its...

    Text Solution

    |

  7. Assertion: In sexualreproduction, offspring are not identical to the p...

    Text Solution

    |

  8. Assertion: Bamboo species flower only once in their life, generally af...

    Text Solution

    |

  9. Assertion: Cow,sheep and rats are non-primate mammals exhibiting oestr...

    Text Solution

    |

  10. Assertion: The events of the sexual reproduction though elaborate and ...

    Text Solution

    |

  11. Assertion: All the events of sexual reproduction prior to the fusion o...

    Text Solution

    |

  12. Assertion: In several fungi and plants, the term heterothallic and dio...

    Text Solution

    |

  13. Assertion: Gametes are always haploid cells. Reason: The parent plan...

    Text Solution

    |

  14. Assertion: Several organisms belonging to monera,fungi,algae and bryop...

    Text Solution

    |

  15. Assertion: In haploid organism, specialised cells called meiocytes (ga...

    Text Solution

    |

  16. Assertion: During gamete transport through water (inalgae, bryophytes ...

    Text Solution

    |

  17. Assertion: Syngamy occurs in the external medium, i.e. the outside of ...

    Text Solution

    |

  18. Assertion: During embryogenesis, cell division increase the number of ...

    Text Solution

    |

  19. Assertion: The chances of survival of young ones is greater in vivipar...

    Text Solution

    |