Home
Class 12
BIOLOGY
[A] : Biomonitoring is reliable for dete...

[A] : Biomonitoring is reliable for determining the pollutants in air , water and soil .
[R] : The living organism reacts to minute changes in the environment .

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Drug Addiction

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|20 Videos
  • ECOSYSTEM

    TRUEMAN BIOLOGY|Exercise MCQ|173 Videos

Similar Questions

Explore conceptually related problems

[A] : Biomonitoring is reliable for determing the pollutants in air , water and soil . [R] : The living organism reacts to minute changes in the environment .

Assertion:Biomonitoring is reliable for determining the pollutants in air, water and soil Reason:The living organism reacts to minute changes in the environment

Name three pollutants each of air, water and soil.

The act passed for air, water and soil pollution was

Living organisms and water, air and earth collectively form

[A] : Living organisms are like a close system . [R] : Energy in the organisms neither can be lost nor gained from the another environment .

[A] : The importance of ecosystem lies in flow of energy and cycling of materials . [R] : Pollutants do not change the equilibrium of environment .

[A] : Ecology is the study of interrelationship between living organisms and their non-living environment . [R] : The biotic community and non-living environment of an area function together to form an ecosystem .

We know that many human activities lead to increasing levels of pollution of the air, water-bodies and soil. Do you think that isolating these activities to specific and limited areas would help in reducing pollution?

TRUEMAN BIOLOGY-Ecology -ASSERTION AND REASON
  1. [A] : Man is the consumer of the ecosystem . [R] : An antiforest con...

    Text Solution

    |

  2. [A] : The importance of ecosystem lies in flow of energy and cycling o...

    Text Solution

    |

  3. [A] : Biomonitoring is reliable for determining the pollutants in air ...

    Text Solution

    |

  4. [A] : The food webs are very important in maintaining the stability of...

    Text Solution

    |

  5. [A] : If phytoplanktons are destroyed in the sea then it will effect t...

    Text Solution

    |

  6. [A] : Epiphytes are not found in Delhi . [R] : Delhi has semi-arid c...

    Text Solution

    |

  7. [A] : Water logged soils are physiologically dry . [R] : When the s...

    Text Solution

    |

  8. [A] : There is a chemical warfare amongst some plants . [R] : The ro...

    Text Solution

    |

  9. [A] : Total biomass on land is much more than that in water . [R] :...

    Text Solution

    |

  10. [A] : Epiphytes differs from Lianas in that they are not rooted in th...

    Text Solution

    |

  11. [A] : Biological indicators enhance usefulness of ecology to mankind ...

    Text Solution

    |

  12. [A] : Depletion of ozone layer results in human disease like cancer ....

    Text Solution

    |

  13. [A] : UV irradiation to disinfect polluted waters is not generally re...

    Text Solution

    |

  14. [A] : A species is an interbreeding population which is reproductively...

    Text Solution

    |

  15. [A] : Plants having capacity to withstand wide range of temperature t...

    Text Solution

    |

  16. [A] : Each food-level in an ecosystem is called trophic level . [R]...

    Text Solution

    |

  17. [A] : Biomonitoring is reliable for determing the pollutants in air ,...

    Text Solution

    |

  18. Assertion (A) : Tropical rain forests are disappearing fast from devel...

    Text Solution

    |

  19. [A] : Leaf butterfly & stick insect show mimicry to dodge their enemi...

    Text Solution

    |

  20. [A] : In a food chain , membrane of successive higher levels are fewer...

    Text Solution

    |