Home
Class 12
CHEMISTRY
If BOD of a river is high it means that ...

If `BOD` of a river is high it means that the river is

A

Not polluted

B

Very much polluted with inorganic chemicals

C

Very much polluted with organic chemicals

D

Polluted with pesticides

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL CHEMISTRY

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION-C) LINKED COMPREHENSION TYPE QUESTIONS|6 Videos
  • ENVIRONMENTAL CHEMISTRY

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION-D) ASSERTION-REASON TYPE QUESTIONS|10 Videos
  • ENVIRONMENTAL CHEMISTRY

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION-D) (Assertion - Reason Type Questions)|5 Videos
  • ELECTROCHEMISTRY

    AAKASH INSTITUTE|Exercise Assignment (SECTION - J) (Aakash Challengers Questions)|10 Videos
  • EQUILIBRIUM

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION -D)|20 Videos

Similar Questions

Explore conceptually related problems

If BOD of river is high, this implies that the river is

BOD of a river water is found very high. This means water:

Two boats A and B having same speed relative to river are moving in a river. Boat A moves normal to the river current as observed by an observer moving with velocity of river current. Boat B moves normal to the river as observed by the observer on the ground.

High tide: Sea :: ? : River

A boat has to cross a river.It crosses the river by making an angle of 60^(@) with the bank of the river due to the stream of the river and travels a distance of 600m to reach the another side of the river.What is the width of the river?

STATEMENT-1: A man can cross river of width d in minimum time t . On increasing river velocity, minimum time to cross the river by man will remain uncharged. STATEMENT-2: Velocity of river is perpendicular to width of river. So time to cross the river is independent of velcoity of river.

A bridge across the river makes an angle of 30^(@) with the river bank.If the length of the bridge across the river is 60m, Find the width of the river.

AAKASH INSTITUTE-ENVIRONMENTAL CHEMISTRY-ASSIGNMENT (SECTION-B) OBJECTIVE TYPE QUESTION (ONE OPTION IS CORRECT)
  1. Biological decay and release from ocean are important natural processe...

    Text Solution

    |

  2. Burning of fossil fuels is the main source of which of the following p...

    Text Solution

    |

  3. Which one is not correct regarding green house effect? a)It occurs due...

    Text Solution

    |

  4. Which one is not a correct statement?

    Text Solution

    |

  5. If BOD of a river is high it means that the river is

    Text Solution

    |

  6. Which is not a water pollutant?

    Text Solution

    |

  7. Phosphate pollution is caused by

    Text Solution

    |

  8. Which of the following isnot correctly matched?

    Text Solution

    |

  9. Which of the following is not a part of green chemistry?

    Text Solution

    |

  10. Which of the following is not a herbicide?

    Text Solution

    |

  11. Water of often treated with chlorine to

    Text Solution

    |

  12. Eutrophication causes reduction in

    Text Solution

    |

  13. A 3 carbon containing compound A which is a constituent of photochemic...

    Text Solution

    |

  14. Positive soil pollution is

    Text Solution

    |

  15. Increased asthmatic attacks in certain seasons are related to

    Text Solution

    |

  16. A green house effect causing gas which turns lime water milky. When is...

    Text Solution

    |

  17. When rain is accompanied by a thunderstorm, the collected rain water w...

    Text Solution

    |

  18. About 20km above the earth ,there is an ozone layer ,Which one of the ...

    Text Solution

    |

  19. Select the incorrect statement

    Text Solution

    |

  20. Clean water with BOD value and pH range when it is recommended as a dr...

    Text Solution

    |