Home
Class 12
BIOLOGY
Most resistance biological material is ...

Most resistance biological material is
Or
An organic substance that can withstand enviornmental extremes and cannot be degraded by any enzyme is

A

Ligin

B

Cellulose

C

Suberin

D

Sporopolenin

Text Solution

Verified by Experts

The correct Answer is:
D
Sporopollenin is fatty substance present in pollenwall and provides resistance against extrems conditions like high temperature, Acid, bases.
Promotional Banner

Topper's Solved these Questions

  • REPRODUCTION IN ORGANISMS

    ERRORLESS |Exercise Reproduction In Organisms|116 Videos

  • SMOKING,ALCOHOLISM,DRUG ADDITION, MENTAL HEALTH AND COMMUNITY HEALTH

    ERRORLESS |Exercise Smoking,Alcoholism,Drug Addition, Mental Health And Community Health|88 Videos

Similar Questions

Explore conceptually related problems

An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is

Most resistant biological material is:

The exine of a pollen grain is composed of one of the most resistant biological matieral by which pollen grains are able to withstand extremes of temperature and dessication and cannot be degraded by any enzyme is

One of the most resistant biological material present in the exine of pollen grain is

Sporopollenin is one of the most resisant organic materia known. It can withstand

One of the most resistant biological materials known is

ERRORLESS -SEXUAL REPRODUCTIO IN FLOWERING PLANTS-Sexual Reproductio In Flowering Plants
  1. Assertion : Megaspore mother cell undergoes meiotic division Reason ...

    Text Solution

    |

  2. Assertion : The chalazal cells of the ambryo sac is central cell Rea...

    Text Solution

    |

  3. Assertion : The largest cell of the embryo sac is central cell Reaso...

    Text Solution

    |

  4. Assertion : Autogamy is pollination between two flowers on the same pl...

    Text Solution

    |

  5. Assertion : Cellular endosperm is formed by both nuclear division and ...

    Text Solution

    |

  6. Feathery stigma is called

    Text Solution

    |

  7. Two rigid pointed look-like structures are present in

    Text Solution

    |

  8. Most resistance biological material is Or An organic substance tha...

    Text Solution

    |

  9. Which of the following plant product is the hardest

    Text Solution

    |

  10. If position of ovary is below sepals petals and stamens, the fower is ...

    Text Solution

    |

  11. The arrangement of the ovules on the placenta developed from the centr...

    Text Solution

    |

  12. Who is author of book ''Inroduction to the Embryology'' of Angiosperms

    Text Solution

    |

  13. Which of these is not essential for allogamy

    Text Solution

    |

  14. Siphonogamy in angiosperm means

    Text Solution

    |

  15. Plasmogamy refers to

    Text Solution

    |

  16. A plant radised from a single germinating pollen grain under cultural ...

    Text Solution

    |

  17. Match the following ovule structure with post fertilization structure ...

    Text Solution

    |

  18. Heteroblastic means

    Text Solution

    |

  19. In angiospherm, microsporgenesis and megasporogensis

    Text Solution

    |

  20. Environmetal biotic factor that helps in pollination is

    Text Solution

    |