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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

Sewage fungus

B

Sludge-worms

C

Blood-worms

D

Stone files

Text Solution

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The correct Answer is:
D
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AAKASH INSTITUTE ENGLISH-ENVIRONMENTAL ISSUES-ASSIGNMENT SECTION C
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  4. Montreal Protocol, which calls for appropriate action to protect the o...

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  7. More than 70% of world 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 pair

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

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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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