Home
Class 12
BIOLOGY
Fibrous thickening of endothecium are in...

Fibrous thickening of endothecium are in the from of

A

Annuli

B

Tangential strips

C

Spiral bands

D

Spiral radial bands.

Text Solution

Verified by Experts

The correct Answer is:
D
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

Which is false? (a) Pro-ubisch bodies when coated with sporopollenin become ubisch bodies (b) The nucleus of tapetal cell divides by mitosis and endomitosis (c) The fibrous thickening of endothecium is made of suberin (d) None of the above

Fibrous thickenings of hygroscopic nature are found in which part of anther walls?

Callose thickening found in endothelium of anther wall is

Endothecium takes part in

Main function of endothecium (in anther) is :-

State the role of endothecium.

A tissue having thickenings of pectin and hemicellulose in the cell wall of its cell

Tyloses thickenings are seen in

Tyloses thickenings are seen in

Tyloses thickenings are seen in

DINESH PUBLICATION ENGLISH-NO IDEA-Brain Teasers
  1. Fibrous thickening of endothecium are in the from of

    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

    |