Home
Class 12
BIOLOGY
Why is aerobic degradation more importan...

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

Text Solution

Verified by Experts

Aerobic degradation of waste water helps (a) In the consumption of major part of organic waste from the effluent. (b) In the formation of flocks which settle down as activated sludge and is later on used for biogas production. (c) This makes water clear and useable.
Promotional Banner

Topper's Solved these Questions

  • MICROBES IN HUMAN WELFARE

    ICSE|Exercise PRACTICE QUESTIONS (VERY SHORT ANSWER TYPE QUESTIONS)|33 Videos
  • MICROBES IN HUMAN WELFARE

    ICSE|Exercise PRACTICE QUESTIONS (SHORT ANSWER TYPE-I QUESTIONS)|14 Videos
  • ISC BOARD PAPER (2019 -BIOLOGY)

    ICSE|Exercise PART-II ( SECTION-C)|12 Videos
  • MOLECULAR BASIS OF INHERITANCE

    ICSE|Exercise MCQ (Source Based Questions)|23 Videos

Similar Questions

Explore conceptually related problems

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

Why are flocs important in biological treatments of waste water ?

Why are flocs important in bioligical treatment of waste water?

The energy yield in terms of ATP is higher in aerobic respiration than during anaerobic respiration. Why is there anaerobic respiration even in organism that live in aerobic condition like human beings and angiosperms ?

The energy yield in terms of ATP is higher in aerobic respiration than during anaerobic respiration. Why is there anaerobic respiration even in organisms that live in aerobic condition like human beings?

What would happen if oxygen availability to activated sludge flocs is reduced? 1) It will slow down the rate of degradation of organic matter 2) The center of flocs will becomes anoxic, which would cause death of bacteria and eventually breakage of flocs 3) Flocs would increase in size as anerobic bacteria would grow around flocs 4) Protozoa would grow in large numbers

Activated sludge should have the ability to settle quickly so that it can (a) be rapidly pumped back from sedimentation tank to aeration tank (b) absorb pathogenic bacteria present in waste water while sinking to the bottom of the settling tank (c) be discarded and anaerobically digested (d) absorb colloidal organic matter

Mark true false the following statements. (i) The shift from grain to meat creates more demand for cereals (ii) Spirulina can be grown easily on meterials like waste water from potato processing plants straw molasses etc. to produce large quantities and can serve as food rich in liquid and minerals.

Read the following statement (A) Biomagnification occurs because a toxic substance accumulated by an organism cannot be metabolismed or excreated and is thus passed on to the most higher trophic levels. (B) FOAM are responsible for the upkeep of the marshland developed in town of Arcala for integrated waste water treatment. (C) E.Coli indicates water pollution by faecal matter. Select the option for the set of all the correct statements.

ICSE-MICROBES IN HUMAN WELFARE-COMPETITION CORNER (OBJECTIVE TYPE QUESTIONS (ASSERTION AND REASON TYPE QUESTIONS))
  1. Why is aerobic degradation more important than anaerobic degradation f...

    Text Solution

    |

  2. Assertion: Discovery of penicillin by Alexander Flemming was a serendi...

    Text Solution

    |

  3. Assertion: BOD indicates the extent of water pollution by organic wast...

    Text Solution

    |

  4. Assertion: Polyhedrovirus is called a baculovirus. Reason: Nucleo...

    Text Solution

    |

  5. Assertion: Anabaena is commonly called a symbiotic biofertiliser. ...

    Text Solution

    |

  6. Assertion: Only Lactobacillus lactis causes curdling of milk. Rea...

    Text Solution

    |

  7. Assertion: Insulin is a type of antibiotic. Reason: Insulin is sy...

    Text Solution

    |

  8. Assertion: Rotenone is a bioinsecticide. Reason: Rotenone is obta...

    Text Solution

    |

  9. Assertion: Chemical fertilisers and pesticides are not only expensive ...

    Text Solution

    |

  10. Assertion: Azolla pinnata is used as biofertiliser in rice cultivation...

    Text Solution

    |

  11. Assertion: Neem is used as a natural insecticide. Reason: The ne...

    Text Solution

    |

  12. Assertion: Most of the orchids are dependent on fungi in seedling stag...

    Text Solution

    |

  13. Assertion: Biofertilisers are preferred to chemical fertilisers. ...

    Text Solution

    |

  14. Assertion: Leguminous plants are the best preferred for crop rotation....

    Text Solution

    |

  15. Assertion: Use of fertilisers greatly enhances crop productivity. ...

    Text Solution

    |

  16. Assertion: Nitrogen-fixing bacteria of legume nodules live in O2 depl...

    Text Solution

    |