Home
Class 12
BIOLOGY
Assertion: Bryophytes play great role in...

Assertion: Bryophytes play great role in providing ecological services.
Reason: Bryophytes help in making of soil and prevention of soil erosion as well.

A

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

B

If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.

C

If Assertion is True but the Reason is False.

D

If both Assertion and Reason are False.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • DIVERSITY IN LIVING WORLD (PLANT DIVERSITY)

    ALLEN|Exercise EXERCISE -III|136 Videos

  • DIGESTION AND ABSORPTION

    ALLEN|Exercise S|28 Videos

  • DOMESTICATION OF PLANT (PLANT BREEDING)

    ALLEN|Exercise S|28 Videos

Similar Questions

Explore conceptually related problems

Assertion : Bryophytes are of great ecological importance. Reason: Bryophytes help in colonisation (succession) on bare rocks/soil.

Assertion: Mosses are of great ecological importance. Reason: Mosses prevent soil erosion by forming dense mat on the soil

which of the following form dence mats on the soil and play major role in preventing soil erosion?

Assertion: Bryophytes are called asterrestrial amphibians. Reason: Bryophytes require an external layer of water on the soil surface for their existence.

Assertion: Decomposition is one of the most vital functional attribute of ecosystem. Reason: It helps in breakdown of organic complex matter and loosening of soil as well.

Assertion: Ambulacral system plays a major role in locomtion of echinoderm. Reason: Hydraulic pressure of fluid and contraction of muscle of tube feet make possible movement of echinoderm.

Assertion : Pharyngeal nephridia play a role in the conservation of water in the earthworm. Reason : They help the earthworm in keeping the skin moist for cutaneous respiration.

Assertion: The Henle's loop and vasa recta play a significant role in producing a concentrated urine. Reason: The counter current arrangement of Henle's loop and vasa recta helps in this.

Biodiversity plays a major role in many ecosystem services that nature provides . This is related to which reason for conservation of biodiversity ?

ALLEN-DIVERSITY IN LIVING WORLD (PLANT DIVERSITY)-Assertions and Reason
  1. Assertion: Phylogenetic classification system provides more accurate a...

    Text Solution

    |

  2. Assertion: In numerical taxonomy each character is given equal importa...

    Text Solution

    |

  3. Assertion: Algae are thalloid organisms of kingdom plantae. Reason:-...

    Text Solution

    |

  4. Assertion: Sexual reproduction of Spirogyra is isogamous type. Reaso...

    Text Solution

    |

  5. Assertion: Alage can bridge the gap between demand and supply of prote...

    Text Solution

    |

  6. Assertion: Bryophytes are not a successul land plants. Reason: In br...

    Text Solution

    |

  7. Assertion: Bryophytes are best packing material for trans shipment of ...

    Text Solution

    |

  8. Assertion : Bryophytes are of great ecological importance. Reason: B...

    Text Solution

    |

  9. Assertion: Bryophytes play great role in providing ecological services...

    Text Solution

    |

  10. Assertion: Mosses are more advanced group of Bryophytes. Reason: Gam...

    Text Solution

    |

  11. Assertion: Pteriodophytes are not completely successful land plants. ...

    Text Solution

    |

  12. Assertion: Gametophyte of homosporous pteridophyte does not depend on...

    Text Solution

    |

  13. Assertion: In gymnosperms the seeds that develop post fertilisation ar...

    Text Solution

    |

  14. Assertion: In gymnospoerms seeds are naked. Reason: In gymnosperms s...

    Text Solution

    |

  15. Assertion: Gymnosperms are first completely successul land plants. R...

    Text Solution

    |

  16. Assertion: In gymnosperms development of male gametophyte (pollen grai...

    Text Solution

    |

  17. Assertion: In pteridophyte well distinct alternation of generation is ...

    Text Solution

    |

  18. Assertion: Chara is a green alga close to Bryophyta: Reason: Sex org...

    Text Solution

    |

  19. Assertion: Bryophytes are termed as amphibains of plant kingdom. Rea...

    Text Solution

    |

  20. Assertion: Green algae best exhibit the origin and evolution of sexual...

    Text Solution

    |