Home
Class 12
BIOLOGY
In STPs, how many stages are there for w...

In STPs, how many stages are there for water purification ?
(A) 2
(B) 3
(C) 4
(D) 5

A

2

B

3

C

4

D

5

Text Solution

Verified by Experts

The correct Answer is:
B
3
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

How many nods are there in 4s and 3s ?

If A={a,b,c,d}. How many subsets does the set A have? (A) 5 (B) 6 (C) 16 (D) 65

How many Hotspots were added afterwards ? (A) 9 (B) 25 (C) 34 (D) 10

Match the following list of animals with their level of organisation. (A) (a - 2), (b - 3), (C-4), (d - 1) (B) (a - 2), (b - 4), (C-3), (d - 1) (C) (a - 4), (b - 1), (C-2), (d - 3) (D) (a - 1), (b - 4), (C-3), (d - 2)

How many megaspore mother cells are produced in a Nucellus? (A) Two (B) Eight (C) Four (D) One

How many transgenic varieties of basmati rice are grown in India ? (A) 2,00,000 (B) 50000 (C) 1000 (D) 27

Match the column A with column B and choose the correct option. (A) (a - 2), (b - 3), (C-5), (d - 4), (e - 1) (B) (a - 2), (b-5), (C-3), (d - 4), (e - 1) (C) (a - 1), (b - 3), (C-5), (d - 4), (e - 2) (D) (a - 1), (b - 5), (C-3), (d - 4), (e - 2)

Match the following and choose the correct option. (A) (a - 4) (b - 3) (C-5) (d - 2) (e - 1) (B) (a - 5) (b - 4) (c - 2) (d - 1) (e - 3) (C) (a - 4) (b - 5) (C - 2) (d - 1) (e - 3) (D) (a - 5) (b - 3) (c - 2) (d - 1) (e - 4)

KUMAR PRAKASHAN-MICROBES IN HUMAN WELFARE -SECTION - F MULTIPLE CHOICE QUESTIONS(MCQS FROM DARPAN BASED ON TEXTBOOK)
  1. Name a microbe used for statin production. How do statins lower blood ...

    Text Solution

    |

  2. Which of the following is used in removing oily stains in laundry ?

    Text Solution

    |

  3. In STPs, how many stages are there for water purification ? (A) 2 (...

    Text Solution

    |

  4. S - Mixed gases are produced in anaerobic sludge digesters R- In ...

    Text Solution

    |

  5. In which of the following yeast is not used ? (A) beer (B) whisky ...

    Text Solution

    |

  6. S- In free living state, Azospirillum do N2 fixing, from the atmosphe...

    Text Solution

    |

  7. Which are symbiotic fungus, free living fungus symbiotic bacteria and ...

    Text Solution

    |

  8. Which is not the correct statement ?

    Text Solution

    |

  9. What is the full name of BOD ? (A) Biodegradable Oxygen Demand (B) ...

    Text Solution

    |

  10. Sewage treatment plant is used to control which type of pollution ? (...

    Text Solution

    |

  11. Process of which substance by methanogens bacteria gives methane in a ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  14. Match the column.

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |