Home
Class 12
BIOLOGY
BOD means..... (A) amount of oxygen nee...

BOD means.....
(A) amount of oxygen needed for degradation in water
(B) it is a measure of the organic matter in a water
(C) it is a measure of inorganic matter in soil
(D) both (A) and (B)

A

amount of oxygen needed for degradation in water

B

it is a measure of the organic matter in a water

C

it is a measure of inorganic matter in soil

D

both (A) and (B)

Text Solution

Verified by Experts

The correct Answer is:
D
both (A) and (B)
Promotional Banner

Topper's Solved these Questions

  • MICROBES IN HUMAN WELFARE

    KUMAR PRAKASHAN|Exercise SECTION - F MULTIPLE CHOICE QUESTIONS(MCQS ASKED IN COMPETITIVE EXAM)|56 Videos

  • MICROBES IN HUMAN WELFARE

    KUMAR PRAKASHAN|Exercise SECTION - E SOLUTION OF NCERT EXEMPLAR (LONG ANSWER TYPE QUESTIONS)|8 Videos

  • HUMAN REPRODUCTION

    KUMAR PRAKASHAN|Exercise SECTION-F MULTIPLE CHOICE QUESTIONS|118 Videos

  • MODEL QUESTION PAPER FOR ANNUAL EXAM

    KUMAR PRAKASHAN|Exercise Part- B ( Section C)|4 Videos

Similar Questions

Explore conceptually related problems

BOD of waste water is estimated by measuring the amount of (A) Total organic matter (B) Biodegradable organic matter (C) Oxygen evolution (D) Oxygen consumption

Why is aerobic degradation more important than anaerobic degradation for the treatment of large volumes of waste waters rich in organic matter? Discuss.

............ associated with filament of molds present in the water and form flocks. (A) Aerobic bacteria (B) Anaerobic bacteria (C) Both (A) and (B) (D) Algae

In…..female flowers remais submerged in water and the pollen grains are released inside the water (A) vallisneria (B) marine grasses (C) hydrilla (D) viola

KUMAR PRAKASHAN-MICROBES IN HUMAN WELFARE -SECTION - F MULTIPLE CHOICE QUESTIONS(MCQS FROM DARPAN BASED ON TEXTBOOK)
  1. Process of which substance by methanogens bacteria gives methane in a ...

    Text Solution

    |

  2. LAB protect us from the adverse effect of harmful bacteria which are p...

    Text Solution

    |

  3. BOD means..... (A) amount of oxygen needed for degradation in water ...

    Text Solution

    |

  4. Match the column.

    Text Solution

    |

  5. Which one is antibiotic ? (A) L-Lysine (B) L- Malic acid (C) Glys...

    Text Solution

    |

  6. Which gases are produced in anaerobic sludge digester? (A) Methane ...

    Text Solution

    |

  7. By the broad knowledge of which fields the microbes are used in differ...

    Text Solution

    |

  8. Whose fermentation occur in pickles ? (A) Fermentation of Lactic acid...

    Text Solution

    |

  9. Which pest control method is useful to fruit trees? (A) Irrigation M...

    Text Solution

    |

  10. Bio-pesticides are (A) The chemicals which are used to destroy the pe...

    Text Solution

    |

  11. Match the following and choose the correct answer from the option.

    Text Solution

    |

  12. Where do bacteria grow in biogas plant? (A) in excreta (B) decaying...

    Text Solution

    |

  13. Name a microbe used for the production of Swiss cheese.

    Text Solution

    |

  14. What is obtained through Trichoderma Polysporum yeast? (A) Riboflavi...

    Text Solution

    |

  15. Which organisms are used to make bread and beer?

    Text Solution

    |

  16. Acetic acid is produced by (A) Aspergillus niger (B) Lactobacillus ...

    Text Solution

    |

  17. S - Weedicides are chemically synthesized product. R - Bionematic...

    Text Solution

    |

  18. Nitrogen fixation by Rhizobium can be improved with the supply of

    Text Solution

    |

  19. From which of the following is citric acid is obtained ?

    Text Solution

    |

  20. Which is not a leguminous plant?

    Text Solution

    |