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

Promotional Banner

Topper's Solved these Questions

  • DO YOU KNOW QUESTIONS

    SARAS PUBLICATION|Exercise EXERCISE|102 Videos

  • ECONOMICALLY USEFUL PLANTS AND ENTREPRENEURIAL BOTANY

    SARAS PUBLICATION|Exercise EXERCISE|19 Videos

Similar Questions

Explore conceptually related problems

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

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:

Assertion: The Biological Oxygen Demand (BOD) is high in raw sewage. Reason: The greater the BOD in waste water, the lesser is its polluting potential.

A higher biochemical oxygen demad in a particular segment of a river indicates that

In which one of the following the BOD (Biochemical Oxygen Demand) of sewage (S), distillery effluent (DE), paper mill effluent (PE) and sugar mill effluent (SE) have been arranged in ascending order?

SARAS PUBLICATION-ECOLOGY AND ENVIRONMANT-EXAMPLE
  1. Quercus species are the dominant component in

    Text Solution

    |

  2. Global agreement on specific control strategies to reduce the release ...

    Text Solution

    |

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

    Text Solution

    |

  4. Tiger is not a resident in which one of the following national park?

    Text Solution

    |

  5. Which part of human brain is concerned with the regulation of body tem...

    Text Solution

    |

  6. Steps taken by the Governmaent of India to control air pollution in...

    Text Solution

    |

  7. Montreal protocol was based on .

    Text Solution

    |

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

    Text Solution

    |

  9. Chipko movement was launched for the protection of

    Text Solution

    |

  10. Which one of the following organism occupies more than one trophic lev...

    Text Solution

    |

  11. Widal test is used for the diagnosis of:

    Text Solution

    |

  12. Injury to adrenal cortex is not likely to affect the secretion of whic...

    Text Solution

    |

  13. The biomass available for consumption by the herbivores and the decomp...

    Text Solution

    |

  14. Which one of the following is an example of ex-situ conservation?

    Text Solution

    |

  15. A renewable exhaustible natural resource is:

    Text Solution

    |

  16. dB is a standard abbreviation used for the quantitative expression of

    Text Solution

    |

  17. Which one of the following is characteristics of the biological commun...

    Text Solution

    |

  18. The two gases making highest relative contribution to the greenhouse g...

    Text Solution

    |

  19. Which one of the following is not used in organic farming?

    Text Solution

    |

  20. In plant breeding programmes, the entire collection (of plants / seeds...

    Text Solution

    |