Home
Class 12
BIOLOGY
In Calotropis self-pollination is avoide...

In Calotropis self-pollination is avoided by ……………

A

Self-sterility

B

Heterostyly

C

Protogyny

D

Herkogamy

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • REPRODUCTION IN LOWER AND HIGHER PLANTS

    CHETANA PUBLICATION|Exercise Exercise |40 Videos
  • REPRODUCTION IN LOWER AND HIGHER ANIMALS

    CHETANA PUBLICATION|Exercise Exercise|90 Videos
  • Respriration and circulation

    CHETANA PUBLICATION|Exercise EXCERCISE|32 Videos

Similar Questions

Explore conceptually related problems

In vallisneria, the pollination is

Define pollination.

An insect helpingin pollination is

The type of pollination in Angiosperms is…………… .

Direct pollination is the characteristic of…………… .

Pollination in closed flowers is

Mention two strategies evolved to prevent self-pollination in flowers.

Pollination between two plants can be self-pollination. Explain.

What is self-incompatibility? Why does self-pollination not lead to seed formation in self-incompatible species?

List three strategies that a bisexual chasmogamous flower can evolve to prevent self- pollination (autogamy).

CHETANA PUBLICATION-REPRODUCTION IN LOWER AND HIGHER PLANTS -Exercise
  1. The type of pollination observed in Zostera and Vallisneria respective...

    Text Solution

    |

  2. The bisexual flowers which do not open to favour autogamy are called …...

    Text Solution

    |

  3. In Calotropis self-pollination is avoided by ……………

    Text Solution

    |

  4. The number of meiotic divisions required to produce 200 seeds in a pea...

    Text Solution

    |

  5. ……………. And ……… are two events of sexual reproduction in flowering plan...

    Text Solution

    |

  6. Endosperm is ……………

    Text Solution

    |

  7. Formation of fruit without fertilization is called ……….

    Text Solution

    |

  8. In porogamy the pollen tube enters the ovule through ………….

    Text Solution

    |

  9. Pollination through …………….. Is known as chiropterophily

    Text Solution

    |

  10. Yeast propagates by ……………

    Text Solution

    |

  11. The cross pollination within the same species is also called as …..

    Text Solution

    |

  12. In Angiosperms free nuclear division compulsorily take place during ……...

    Text Solution

    |

  13. In recently fertilized ovule the haploid, diploid and triploid conditi...

    Text Solution

    |

  14. Describe the development of male gametophyte in Angiosperms.

    Text Solution

    |

  15. Name the nuclei taking part in triple fusion.

    Text Solution

    |

  16. State the type of endosperm found in Balsam seed.

    Text Solution

    |

  17. Enlist the adaptations in hydrophilous flowers.

    Text Solution

    |

  18. What is pollen-Pistil Interaction?

    Text Solution

    |

  19. Describe any two categories of apomixis.

    Text Solution

    |

  20. Exaplain the common method of asexual reproduction in Yeast.

    Text Solution

    |