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Which one of the following is no bioind...

Which one of the following is no bioindicator of water pollution?

A

Sewage fungus

B

Sludge-worms

C

Blood-worms

D

Stone files

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The correct Answer is:
D
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AAKASH INSTITUTE-ENVIRONMENTAL ISSUES-ASSIGNMENT SECTION C
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  2. In a coal-fired power plant, electrostatic precipitators are installed...

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  3. Which one of the following is no bioindicator of water pollution?

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  4. Montreal protocol which calls for appropriate action to protect the oz...

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  5. Photochemical smog does not contain

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

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  7. More than 70% of world's fresh water is contained in

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  8. Which one of the following pairs is mismatched?

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  9. Identify the correctly matched pairs

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

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

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  12. The toxic effect of carbon monoxide is due to its greater affinity for...

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  13. Which of the following is a secondary pollutant

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  14. Which one of the following is not correct with regard to the harmful e...

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  15. Which is the cause of damage to relative biological effectiveness:

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  16. The domestic sewage in large cities

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  17. Which among the following is likely to have the highest levels of DDT ...

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  18. Sounds above what level are considered hazardous noise pollution?

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  19. A disease caused by eating fish contaminated by industrial waste, cont...

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  20. When huge amount of sewage is dumped into a river the BOD will:

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