Home
Class 11
BIOLOGY
Assertion : Cell wall of Chrysophytes ar...

Assertion : Cell wall of Chrysophytes are indestructible.
Reason : Cell walls of Chrysophytes have layer of magnesium pectate embedded in it.

A

If both assertion and reason and true and reason is the correct explanation of assertion.

B

If both assertion and reason and true and reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
C

Chrysophytes include diatoms and golden algae (desimds). They are found in freshwater as well as in marine enviroments. The cell walls are embedded with silica and thus the walls are indestructible.
Promotional Banner

Topper's Solved these Questions

  • ANIMAL KINGDOM

    NCERT FINGERTIPS|Exercise Animal Kingdom|148 Videos
  • BIOMOLECULES

    NCERT FINGERTIPS|Exercise Biomolecules|137 Videos

Similar Questions

Explore conceptually related problems

Cell walls of diatoms are indestructible because of the presence of

Cell wall of plant cell is

Assertion: The cellwall of diatoms is indestructible. Reason: The cell wall of diatoms is embedded with calcium carbonates.

Cell walls of sclerenchymatous cells have large percentage of -

Assertion : Cell wall is a non-living part of the cell. Reason : Cell wall offers protection, definite shape and support.

Cell wall is not present in cells of

Cell Membrane || Cell Wall

Assertion : Cell wall is not found in animal cell. Reason : Animal cells are covered by cell membrane.

Assertion : Bacterial cell walls are not like the plant cell. Reason : Bacterial cell wall is not made up of cellulose.

NCERT FINGERTIPS-BIOLOGICAL CLASSIFICATION-Biological Classification
  1. Association between mycobiont and phycobiont are found in

    Text Solution

    |

  2. Difference between virus and viroid is

    Text Solution

    |

  3. With respect to the fungal sexual cycle, choose the correct sequence o...

    Text Solution

    |

  4. Viruses are non-cellular organisms but relicate themselves one they in...

    Text Solution

    |

  5. Members of Phycomycetes are found in (i) aquatic habitats (ii) on ...

    Text Solution

    |

  6. Assertion : Two kingdom classification was insufficient. Reason : Ma...

    Text Solution

    |

  7. Assertion : Archaebacteria are able to survive in harsh habitats. Re...

    Text Solution

    |

  8. Assertion : Methanogens are present in the gut of several ruminant ani...

    Text Solution

    |

  9. Assertion : Cyanobacteria are photosynthetic autotrophs. Reason : Cy...

    Text Solution

    |

  10. Assertion : Chemosynthetic autotrophic bacteria oxidise various inorga...

    Text Solution

    |

  11. Assertion : Mycoplasmas are pathogenic in animals and plants. Reason...

    Text Solution

    |

  12. Assertion : Cell wall of Chrysophytes are indestructible. Reason : C...

    Text Solution

    |

  13. Assertion : Euglena is called as plant animal. Reason : Pellicle of ...

    Text Solution

    |

  14. Assertion : The protoplasm of plasmodial slime mould is considered pur...

    Text Solution

    |

  15. Assertion : Sporozoans may have silica shells on their surface. Reas...

    Text Solution

    |

  16. Assertion : Phycomycetes, are commonly known as sac-fungi. Reason : ...

    Text Solution

    |

  17. Assertion : Deuteromycetes is known as fungi imperfecti. Reason : In...

    Text Solution

    |

  18. Assertion : Pasteur coined Contagium Vivum Fluidum. Reason : Pasteur...

    Text Solution

    |

  19. Assertion : Virus is an obligate parasite. Reason : Virus is host sp...

    Text Solution

    |

  20. Assertion : In lichens, mycobiont and phycobiont are symbiotically ass...

    Text Solution

    |