Home
Class 11
CHEMISTRY
B.O.D. is connected with...

B.O.D. is connected with

A

Organic matter

B

Microbes

C

Both (a) and (b

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
Biological oxygen demand is related with organic matter and microbes. It indicates water pollution. As such as BOD increased then it indicates that water pollution is also increased.
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL CHEMISTRY

    ERRORLESS|Exercise NCERT BASED QUESTIONS ( DIFFERENT TYPES OF POLLUTION AND POLLUTANTS)|18 Videos

  • ENVIRONMENTAL CHEMISTRY

    ERRORLESS|Exercise PAST YEARS QUESTIONS|17 Videos

  • ENVIRONMENTAL CHEMISTRY

    ERRORLESS|Exercise ASSERTION & REASON|7 Videos

  • CLASSFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    ERRORLESS|Exercise Assertion & Reason |14 Videos

  • GENERAL ORGANIC CHEMISTRY

    ERRORLESS|Exercise ASSERTION AND REASON|14 Videos

Similar Questions

Explore conceptually related problems

Repeat above question if A is connected with D and B is connected with C.

Find out the following if A is connected with C and B is connected with D. How much charge flows in the circuit.

Find out the following if A is connected with C and B is connected with D. How much heat is produced in the circuit.

Find out the following if A is connected with C and B is connected with D. (i) How much charge flows in the circuit. (ii) How much heat is produced in the circuit.

B.O.D is related to

A,B,C and D are identical, parallel , conducting plates arranged as shown, with equal separations between consecuting plates. A and D are connected to a cel. If B is now connected to C , which of the following will occur?

Two ideal junction diodes D_(1),D_(2) are connected as shown in the figure. A 3V battery is connected between A and B . The current supplied by the battery if its positive terminal is connected to A is .

A heater A gives out 300 W of heat when connected to a 200 V d.c supply . A second heater B gives out 600 W when connected to a 200 v.d.c. supply . If a series combination of the two heaters is connected to a 200 V d.c. supply the heat output will be

ERRORLESS-ENVIRONMENTAL CHEMISTRY-NCERT BASED QUESTIONS (WATER POLLUTION)
  1. The high amount of E, coli in water is the

    Text Solution

    |

  2. Biological oxygen demand (BOD) is a measure of

    Text Solution

    |

  3. Black-foot disease is caused due to groundwater contaminated with exce...

    Text Solution

    |

  4. B.O.D. is connected with

    Text Solution

    |

  5. Minimata disease first occurred in

    Text Solution

    |

  6. Sewage containing organic waste should not be disposed in water bodies...

    Text Solution

    |

  7. Limit of BOD prescribed by Central Pollution Control Board for the dis...

    Text Solution

    |

  8. Thermal pollution of water bodies is due to discharge of:

    Text Solution

    |

  9. Biological treatment of water pollution is done with the help of

    Text Solution

    |

  10. Polluted water can be purified by using

    Text Solution

    |

  11. Foul smell in the water of tanks, ponds etc. is due to

    Text Solution

    |

  12. Minamata disease was caused due to the consumption of

    Text Solution

    |

  13. Which of the following plant is used for the purification of water

    Text Solution

    |

  14. Which of the following metal is a water pollutant and causes sterility...

    Text Solution

    |

  15. Eutrophication is caused by

    Text Solution

    |

  16. Which one of the following is not a bioindicator of water pollution ?

    Text Solution

    |

  17. The process in which nutrient enriched water bodies support a dense pl...

    Text Solution

    |

  18. Which of the following damages WBC, bone-marrow and lymph nodes

    Text Solution

    |

  19. Biochemical Oxygen Deman, (BOD) is a measure of organic material prese...

    Text Solution

    |

  20. The pH of rain water, is approximately :

    Text Solution

    |