Home
Class 12
BIOLOGY
Fill in the lanks with suitable words: s...

Fill in the lanks with suitable words:
secondary treattment of polluted water are .............. and activated sludge method.

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL ISSUES

    MBD -HARYANA BOARD|Exercise EXERCISE|27 Videos

  • ECOSYSTEM

    MBD -HARYANA BOARD|Exercise EXERCISE|27 Videos

  • EVOLUTION

    MBD -HARYANA BOARD|Exercise EXERCISE|56 Videos

Similar Questions

Explore conceptually related problems

Fill in the blanks with suitable words A pair of ………

Fill in the blanks with suitable word/s. _____ reacts with cold water vigorously.

Fill in the blanks with suitable word Unwanted sound is called ________

Fill in the blanks with suitable word The unit of frequency is ________

Fill in the blank with suitable word. Iron is ...... useful metal.

Fill in the following blanks with suitable words : Acid + Base rarr …….+Water

Fill in the blanks with suitable words: Pseudomycelium is formed in ............. .

Fill in the blanks with suitable Pronoun words. The cat cleans ....... .

MBD -HARYANA BOARD-ENVIRONMENTAL ISSUES-EXERCISE
  1. Fill in the lanks with suitable words: secondary treattment of pollute...

    Text Solution

    |

  2. Fill in the lanks with suitable words: Increase in concentration of so...

    Text Solution

    |

  3. Fill in the lanks with suitable words: Aforestation can check the adva...

    Text Solution

    |

  4. Fill in the lanks with suitable words: ..................... radiation...

    Text Solution

    |

  5. Fill in the lanks with suitable words: DDT is a serious pollutant as i...

    Text Solution

    |

  6. State True or False: The SO2 causes asphycial death due to oxygen star...

    Text Solution

    |

  7. State True or False: Acid rain caused due to oxides of nitrogen and su...

    Text Solution

    |

  8. State True or False: Ozone destroys the crops of potato,alfalfa and sp...

    Text Solution

    |

  9. State True or False: The UV rays and IR rays are ionising radiations.

    Text Solution

    |

  10. State True or False: The photochemical smog contains PAN and Ozone.

    Text Solution

    |

  11. Coin one word for the following statements: Discarded computer parts l...

    Text Solution

    |

  12. Coin one word for the following statements: Degradation of organic was...

    Text Solution

    |

  13. Coin one word for the following statements: Solid contents of sewage.

    Text Solution

    |

  14. Coin one word for the following statements: Cleaning of vast areas cov...

    Text Solution

    |

  15. Coin one word for the following statements: Growing of green plants al...

    Text Solution

    |

  16. Identify the correct matching pair:

    Text Solution

    |

  17. Which one of the following pairs is mis-matched ?

    Text Solution

    |

  18. Which one of the following statements pertaining to pollutants is corr...

    Text Solution

    |

  19. Prolonged liberal irrigation of agricultural fields is likely to creat...

    Text Solution

    |

  20. Which of the following is not used for disinfection of drinking water?

    Text Solution

    |