Home
Class 12
BIOLOGY
The wall-thickening material in tracheid...

The wall-thickening material in tracheids and vessels are

A

cuting and suberin

B

cellulose and cutin

C

suberin and cellulose

D

lignin and cellulose

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • AIPMT-2014(HUMAN PHYIOLOGY )

    TRUEMAN BIOLOGY|Exercise MCQs|19 Videos
  • Animal Kingdom

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|48 Videos

Similar Questions

Explore conceptually related problems

The ladder like thickenings in tracheids and vessels are called

What is tracheid ?

Distinguish between tracheids and vessels.

End walls of tracheids and vessels respectively are

Assertion :- Movement of water through xylem tracheids and vessels is apoplastic transportation. Reason:- Xylem tracheids and vessels are nonliving conduits.

Assertion: vessels are more efficeent for water conduction as compared to tracheids. Reason: vessels are dead lignified

TRUEMAN BIOLOGY-ANATOMY OF FLOWERING PLANTS -MULTIPLE CHOICE QUESTIONS
  1. A secondary meristematic tissue can deelope due to the resumption of p...

    Text Solution

    |

  2. A permanent secondary tissue is production by the activiv of

    Text Solution

    |

  3. The wall-thickening material in tracheids and vessels are

    Text Solution

    |

  4. The ladder like thickenings in tracheids and vessels are called

    Text Solution

    |

  5. A distinguishing feature of comanion cells is that they arise from the...

    Text Solution

    |

  6. Statement : While observing transvers sections of two steams, the anat...

    Text Solution

    |

  7. The distinguishing anatomical features of stem are that they have

    Text Solution

    |

  8. In the endodermis of root he passage cells have

    Text Solution

    |

  9. After the commencement of secondary growth in dicot stem, the primary ...

    Text Solution

    |

  10. A cahracteristic feature of a transverse section of an old dicto root ...

    Text Solution

    |

  11. Healing of wound in plants takes place by the activity of

    Text Solution

    |

  12. Conjunctive tissue found in stelar region of roots is

    Text Solution

    |

  13. Hard woods have

    Text Solution

    |

  14. Younges heart wood is present

    Text Solution

    |

  15. Oldest phloem occurs on the outerside of phloem/inner to pericycle. It...

    Text Solution

    |

  16. Oldest xylem is that primary xylem found

    Text Solution

    |

  17. In monocot root, we observe

    Text Solution

    |

  18. What happens to primary xylem and primary phloem during secondary grow...

    Text Solution

    |

  19. Duramen is used as timber because

    Text Solution

    |

  20. Medullary rays are mainly

    Text Solution

    |