Home
Class 12
BIOLOGY
Biochemical Oxygen Demand (BOD) in a riv...

Biochemical Oxygen Demand (BOD) in a river water

A

Has no relationship with concentration of oxygen in the water

B

Gives a measure of Salmonella in the water.

C

Increases when sewage gets mixed with river water.

D

Remains unchanged when algal bloom occurs.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL ISSUES

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION D|15 Videos

  • ENVIRONMENTAL ISSUES

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION B|35 Videos

  • ECOSYSTEM

    AAKASH INSTITUTE ENGLISH|Exercise Section - D (Assertion - Reasion Type questions)|15 Videos

  • EVOLUTION

    AAKASH INSTITUTE ENGLISH|Exercise TRY YOURSELF|29 Videos

Similar Questions

Explore conceptually related problems

Biochemical oxygeb demand (BOD) in a river water

Biochemical Oxygen Demand (BOD) is a measure of:

Measuring Biochemical Oxygen Demand (BOD) is a method used for

Biochemical Oxygen Demand , (BOD) is a measure of organic material present in water . bOD value less than 5 ppm indicates a water sample to be ………. .

Biochemical Oxygen Demand, (BOD) is a measure of organic material present in water. BOD value less than 5 "ppm" indicates a water sample to be

Biochemical oxygen demand (BOD) is a measure of

Biochemical Oxygen Demand (BOD) is the amount of oxygen required (in ppm):

What do you mean by Biochemical Oxygen Demand (BOD)?

Biochemical Oxygen Demand (BOD) may not be a good index for pollution for water bodies receiving effluents from

High value of BOD (Biochemical Oxygen Demand) indicates that:

AAKASH INSTITUTE ENGLISH-ENVIRONMENTAL ISSUES-ASSIGNMENT SECTION C
  1. Steps taken by the Government of India to control air pollution includ...

    Text Solution

    |

  2. Montreal Protocol aims at:

    Text Solution

    |

  3. Biochemical Oxygen Demand (BOD) in a river water

    Text Solution

    |

  4. Chipko movement was launched for the protection of

    Text Solution

    |

  5. DDT residues are rapidly passed through food chain causing biomagnific...

    Text Solution

    |

  6. Which of the following is the correct percentage of the two (out of th...

    Text Solution

    |

  7. World Summit on Sustainable Development was held in 2002 at Johannesbe...

    Text Solution

    |

  8. According to Central Pollution Control Board (CPCB), which particular ...

    Text Solution

    |

  9. A lake near a village suffered heavy mortality of fishes within a few ...

    Text Solution

    |

  10. In which one of the following, the BOD (Biochemical Oxygen Demand) of ...

    Text Solution

    |

  11. In a coal-fired power plant, electrostatic precipitators are installed...

    Text Solution

    |

  12. Which one of the following is not a bioindicator of water pollution?

    Text Solution

    |

  13. Montreal Protocol, which calls for appropriate action to protect the o...

    Text Solution

    |

  14. Photochemical smog does not contain

    Text Solution

    |

  15. The limit of BOD prescribed by the Central Pollution Control Board for...

    Text Solution

    |

  16. More than 70% of world fresh water is contained in

    Text Solution

    |

  17. Which one of the following pairs is mismatched ?

    Text Solution

    |

  18. identify the correctly matched pair

    Text Solution

    |

  19. Which of the following is not used for the disinfection of drinking wa...

    Text Solution

    |

  20. Prolonged liberal irrigation of agricultural fields is likely to creat...

    Text Solution

    |