Home
Class 12
BIOLOGY
Xenogamy is...

Xenogamy is

A

Pollination between two flowers of two different plants

B

Pollination between two different flowers of same plant and same branch

C

Pollination between anther and stigma of same flower

D

A mechanism of parthenocarpy.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NO IDEA

    DINESH PUBLICATION ENGLISH|Exercise Check Your Grasp|32 Videos

  • NO IDEA

    DINESH PUBLICATION ENGLISH|Exercise Brain Teasers|37 Videos

  • MOLLUSCA

    DINESH PUBLICATION ENGLISH|Exercise CYG|10 Videos

  • ORGANISMS AND THE ENVIRONMENT

    DINESH PUBLICATION ENGLISH|Exercise CYG|17 Videos

Similar Questions

Explore conceptually related problems

Male and femal flowers are present on different plants (dioecious) to ensure xenogamy, in

Geitonogamy is functionally__________& genetically__________. (a) Autogamy, allogamy (b) Allogamy, autogamy (c) Allogamy, xenogamy (d) Autogamy, autogamy

Pollination between flower of different plant of the same specise is (a) Xenogamy (b) Geitonogamy (c) Autogamy (d) Homogamy

Differentiate between : (a) Xenogamy and Geitonogamy (b) Oviparous and Viviparous organisms (c) Parthenogenesis and Parthenocarpy

The only type of pollination which during pollination brings genetically different types of pollen grains to the stigma, is: (a) Xenogamy (b) Geitonogamy (c) Chasmogamy (d) Autogamy

Choose the ODD one out from the following terms given and name the CATEGORY to which the others belong : Heterostyly, Autogamy, Geitonogamy, Xenogamy

Read the following statements, state true (T) or false (F) for them and select the correct option. (a) Cleistogamous flowers prevent geitonogamy as well as xenogamy. (b) Double fertilisation occurs in all spermatophytes. (c) In pea family, the single cotyledon is called scutellum. (d) Seeds of castor and coconut retain a part of endosperm during embryo development.

Which of the given plant features promotes autogamy but never geitonogamy or xenogamy?

State True of False (i) Light nd non sticky pollen grains are characteristic of wind pollinated floweres (ii) Dioecious conditin in plants prevents xenogamy

DINESH PUBLICATION ENGLISH-NO IDEA-Brain Teasers
  1. Xenogamy is

    Text Solution

    |

  2. A structure present in the ovule as well as eggs of birds is

    Text Solution

    |

  3. A plant in which fertilization occurs after the shedding of seed is

    Text Solution

    |

  4. In ovule, exostome is

    Text Solution

    |

  5. Group of specialized thickened nucellar cells between embryo sac and c...

    Text Solution

    |

  6. Hypostase is meant for providing

    Text Solution

    |

  7. A group of specialised nucellar cells between embryo sac and micropyle...

    Text Solution

    |

  8. Sasa paniculata contains a large number of antipodal cells. The number...

    Text Solution

    |

  9. Antipodal cells enlarge tremendously in (a) Sasa (b) Caltha (c) Ac...

    Text Solution

    |

  10. Which one develops from funicle of base of ovule? (a) Sarcotesta (b) ...

    Text Solution

    |

  11. Which one develops from exostome

    Text Solution

    |

  12. In tenuinucellate ovules, the nucellus may break down. The nourishment...

    Text Solution

    |

  13. Endothelium develops from (a) Nucellus (b) Nucellus surrounding embr...

    Text Solution

    |

  14. Middle layers of pollen sac wall are absent in

    Text Solution

    |

  15. Growth of pollen tube is

    Text Solution

    |

  16. The apical growing region of pollen tube is called

    Text Solution

    |

  17. Functional part of pollen tube is separated from the rest by

    Text Solution

    |

  18. Pollen tube cytoplasm is like any other living cell in showing (a) Cal...

    Text Solution

    |

  19. Male nucleus fuses with female nucleus during fertilization in Angiosp...

    Text Solution

    |

  20. Which one is true of male gamete of angiosperms

    Text Solution

    |

  21. Heterofertilization is

    Text Solution

    |