Home
Class 12
BIOLOGY
High value of BOD (biochemical oxygen de...

High value of BOD (biochemical oxygen demand ) indicates that:

A

Water is pure

B

Water is highly polluted

C

Water is less polluted

D

Consumption of organic matter in the water is higher by the microbes

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • BIODIVERSITY AND ITS CONSERVATION

    SARAS PUBLICATION|Exercise EXAMPLE|21 Videos

  • BIOTECHNOLOGY AND ITS APPLICATIONS

    SARAS PUBLICATION|Exercise EXAMPLE|90 Videos

Similar Questions

Explore conceptually related problems

Biochemical Oxygen Demand (BOD) in a river water:

What is biological oxygen demand ?

Biochemical oxygen demand value less than 5ppm indicates a water sample to be

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-BIOLOGY AND HUMAN WELFARE-EXAMPLE
  1. HIV that causes AIDS first starts destroying:

    Text Solution

    |

  2. The active form of entamoeba histolytica feeds upon:

    Text Solution

    |

  3. High value of BOD (biochemical oxygen demand ) indicates that:

    Text Solution

    |

  4. Most animals are tree dwellers in a:

    Text Solution

    |

  5. Rachel Carson’s famous book ‘Silent spring’ is related to:

    Text Solution

    |

  6. Match the following list of microbes and their importance:

    Text Solution

    |

  7. Filiform apparatus is characteristic feature of:

    Text Solution

    |

  8. The wings of a bird and the wings of an insect are:

    Text Solution

    |

  9. Grafted kidney mays be rejected in a patient due to:

    Text Solution

    |

  10. In which group of organisms the cell walls form two thin overlapping s...

    Text Solution

    |

  11. Identify the wrong statements from the below.

    Text Solution

    |

  12. Eutrophication of water bodies leading to killing of fishes is mainly ...

    Text Solution

    |

  13. A plant in your garden avoids photorespiratory losses , has improved w...

    Text Solution

    |

  14. Which one of the following statement is wrong?

    Text Solution

    |

  15. A river with an inflow-of domestic sewage rich in organic-waste ma...

    Text Solution

    |

  16. Which of the following is wrongly matched in the given table?

    Text Solution

    |

  17. Gause’s principle ofcompetitive exclusion states that:

    Text Solution

    |

  18. It is much easier for a small to run uphill than for a large animal, ...

    Text Solution

    |

  19. Which of the following is not a component of downstream processing?

    Text Solution

    |

  20. Red list contains data or information on:

    Text Solution

    |