Home
Class 12
BIOLOGY
[A] : Algal blooms deplete dissolved O(2...

[A] : Algal blooms deplete dissolved `O_(2)` levels in polluted water bodies .
[R] : Bioproductivity of water bodies increases due to algal blooms .

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

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • Drug Addiction

    TRUEMEN BIOLOGY ENGLISH|Exercise ASSERTION AND REASON|20 Videos
  • ECOSYSTEM

    TRUEMEN BIOLOGY ENGLISH|Exercise MCQ|178 Videos

Similar Questions

Explore conceptually related problems

Organisms that often bloom in polluted water bodies

Algal blooms in water bodies cause

Thermal pollution of water bodies is due to discharge of

Eutrophication of water body occurs due to addition of

Acid rain pollutes water bodies and harms aquatic life.

Fishes die in water bodies polluted by sewage due to :

Algal blooms impart a distinct colour to water due to

Algal blooms impart a distinct colour to water due to

Algal blooms impart a distinct colour to water due to

Cadmium pollution of water body produces a disease of humans called

TRUEMEN BIOLOGY ENGLISH-Ecology -ASSERTION AND REASON
  1. [A] : PAN is a secondary pollutant . [R] : The secondary pollutants ...

    Text Solution

    |

  2. [A] : Soil particles , particularly clay and organic matter in soil , ...

    Text Solution

    |

  3. [A] : Algal blooms deplete dissolved O(2) levels in polluted water bod...

    Text Solution

    |

  4. [A] : Orchids are most threatened plants in tropics . [R] : Tropical...

    Text Solution

    |

  5. [A] : Vegetation in the catchment areas prevents flash floods in the d...

    Text Solution

    |

  6. [A] : Sedimentation , a process that has been going on since the earth...

    Text Solution

    |

  7. [A] : When the organisms live together in such a manner that one organ...

    Text Solution

    |

  8. [A] : Aerenchyma is a specialized tissue in some water plants characte...

    Text Solution

    |

  9. [A] : The pyramid of biomass indicates the decrease or the gradual red...

    Text Solution

    |

  10. [A] : Climate is affected by vegetation . [R] : The indirect factors...

    Text Solution

    |

  11. [A] : Man is the consumer of the ecosystem . [R] : An antiforest con...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |