Home
Class 12
BIOLOGY
Assertion :- Development of pollen grain...

Assertion :- Development of pollen grains begins only after pollination.
Reason : Development of pollen grain takes place only on stigma

A

A

B

B

C

C

D

D

Text Solution

Verified by Experts

The correct Answer is:
4
Promotional Banner

Topper's Solved these Questions

  • REPRODUCTION IN ORGANISMS AND SEXUAL REPRODUCTION IN FLOWERING PLANTS

    ALLEN|Exercise EXERCISE-III (B) (ANALYTICAL QUESTION )|40 Videos

  • REPRODUCTION IN ORGANISMS & SEXUAL REPRODUCTION IN FLOWERING PLANTS

    ALLEN|Exercise Question|53 Videos

  • REPRODUCTIVE HEALTH

    ALLEN|Exercise S|19 Videos

Similar Questions

Explore conceptually related problems

Exine of pollen grain

Intine of pollen grain is made of

What is pollen grain

Diameter of pollen grain is

Study of pollen grains is called

Study of pollen grains is

Dicot pollen grains are commonly

Study of pollen grain is called

Generative cell of pollen grain

Monocot pollen grains are generally

ALLEN-REPRODUCTION IN ORGANISMS AND SEXUAL REPRODUCTION IN FLOWERING PLANTS-EXERCISE-IV (Assertion & Reason )
  1. Assertion :- Cleistogamous flowers are invariably autogamous. Reason...

    Text Solution

    |

  2. Asertion :- Cleistogamy is disadvantageous for plants. Reason:- Clei...

    Text Solution

    |

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

    Text Solution

    |

  4. Assertion :- It is believed particularly for some bryophytes and pteri...

    Text Solution

    |

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

    Text Solution

    |

  6. Assertion :- Both wind and water pollinated flowers are not very colou...

    Text Solution

    |

  7. Assertion :- Non synchronised pollen release and stigma receptivity is...

    Text Solution

    |

  8. Assertion :- In monoecious plants neither autogamy nor geitonogamy can...

    Text Solution

    |

  9. Assertion :- Most zygotes divide only after certain amount of endosper...

    Text Solution

    |

  10. Assertion :- Seed bearing plants like angiosperms show wide geographic...

    Text Solution

    |

  11. Assertion :- Apomixis is a form of asexual reproduction that mimics se...

    Text Solution

    |

  12. Assertion :- Endosperm increases the success rate of seedling developm...

    Text Solution

    |

  13. Assertion : Clone is formed by amphimixis. Reason : ln amphimixis, ne...

    Text Solution

    |

  14. Assertion : Synergids of embryosac also help in fertilization in Angio...

    Text Solution

    |

  15. Assertion : When embryo sac develops from megaspore mother cell withou...

    Text Solution

    |

  16. Assertion : Pollen tube shows apical growth. Reason : Growth of polle...

    Text Solution

    |

  17. Assertion :- Development of pollen grains begins only after pollinatio...

    Text Solution

    |

  18. Assertion :- ln Angiosperms, sexual reproduction takes place through t...

    Text Solution

    |

  19. Assertion :- The main plant of angiosperm is in the form of sporophyte...

    Text Solution

    |

  20. Assertion :- Polygonum type of embryosac, is most common in angiosperm...

    Text Solution

    |