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Which one of the following is not a bioi...

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

A

Sludge-worms

B

Blood-worms

C

Stone flies

D

Sewage fungus

Text Solution

Verified by Experts

The correct Answer is:
C
Sludge worms, blood worms and sewage fungus populate in polluted water but stone fly reproduce only in clean water.
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ERRORLESS-ENVIRONMENTAL CHEMISTRY-NCERT BASED QUESTIONS (WATER POLLUTION)
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  3. Black-foot disease is caused due to groundwater contaminated with exce...

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  5. Minimata disease first occurred in

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

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

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

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  10. Polluted water can be purified by using

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

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  12. Minamata disease was caused due to the consumption of

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

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