Home
Class 12
BIOLOGY
Assertion The collenchyma is a thick-wal...

Assertion The collenchyma is a thick-walled living tissue.
Reason The collenchyma is thickened due to deposition of pectin.

A

Both A and R are true and R is the correct explanation of A

B

Both A and R are true, but R is not the correct explanation of A

C

A is true, but R is false

D

A and R are false

Text Solution

Verified by Experts

The correct Answer is:
A

Collenchyma is a specialised type of parenchyma which acts as a supporting tissue. The cell walls are irregularly thickened due to deposition of cellulose and pectin. It is a living tissue.
Promotional Banner

Topper's Solved these Questions

  • SOLVED PAPERS 2018

    ARIHANT NEET|Exercise Solved Paper 2018 (JIPMER)|41 Videos
  • SOLVED PAPERS 2018

    ARIHANT NEET|Exercise Solved Paper 2018 (JIPMER)|41 Videos
  • SOLVED PAPERS 2017

    ARIHANT NEET|Exercise Solved Paper 2017 (JIPMER)|35 Videos
  • STRUCTURAL ORGANISATION IN SOME ANIMALS

    ARIHANT NEET|Exercise CHAPTER EXERCISES (C) MEDICAL ENTRANCES GALLERY (COLLECTION OF QUESTIONS ASKED IN NEET & VARIOUS ENTRANCE EXAMS )|48 Videos

Similar Questions

Explore conceptually related problems

The collenchyma is thickened due to the deposition of

Assertion : collenchyma is thick walled dead tissue Reason: collenchymatous cells show thickening of pectin

Thickenings in collenchyma is mainly due to depostion of -

Which of the tissue has deposition of pectin?

The wall of Human heart is thick due to presence of :-

Are the walls of collenchyma evenly thickened with lignin ?

Collenchyma tissue is present in

Thickening material present in wall of collenchyma is

ARIHANT NEET-SOLVED PAPERS 2018-Solved Paper 2018 (AIIMS)
  1. Which of the following plants are used to treat bone fractures?

    Text Solution

    |

  2. C(4) pathway is advantageous over C(3) pathway in plants as it

    Text Solution

    |

  3. Which one of the following categories of organisms do not evolve oxyge...

    Text Solution

    |

  4. Which of the following biomolecules is common to respiration-mediated ...

    Text Solution

    |

  5. Arrange in correct order according to the given figures.

    Text Solution

    |

  6. Match the following columns

    Text Solution

    |

  7. Match the organisms given in Column I to their functions given in Colu...

    Text Solution

    |

  8. Assertion : Nitogen - fixing bacteria in legume root nodules survive i...

    Text Solution

    |

  9. Assertion: Cytochrome oxidase enzyme contian copper. Cyanide combine...

    Text Solution

    |

  10. Assertion Meiotic division occurs in reproductive cells. Reason Syna...

    Text Solution

    |

  11. Assertion The quiescentcentre actsas a reservoir of relatively resista...

    Text Solution

    |

  12. Assertion Two turns of Krebs cycle occur per glucose molecule used. ...

    Text Solution

    |

  13. Assertion: Pork should be properly cooked to avoid Taenia infection. ...

    Text Solution

    |

  14. Assertion: Magnesium is important in photosynthesis and carbohydrate m...

    Text Solution

    |

  15. Assertion The collenchyma is a thick-walled living tissue. Reason T...

    Text Solution

    |

  16. Assertion In mitosis, two identical cells are produced from a single c...

    Text Solution

    |

  17. Assertion Non-cyclic photophosphorylation occurs in the stroma of chlo...

    Text Solution

    |

  18. Assertion Taenia solium and Dugesia belong to Platyhelminthes. Reaso...

    Text Solution

    |

  19. Assertion: Photomodulation of flowering is phytochrome-regulated proc...

    Text Solution

    |

  20. Assertion Caryopsis fruits differ from typical achenes with respect to...

    Text Solution

    |