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Common indicator organism of water pollu...

Common indicator organism of water pollution is

A

Entamoeba histolytica

B

Lemna pancicostata

C

Eichhornia crassipes

D

Escherichia coli

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The correct Answer is:
D
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Escherichia coli is used as an indicator organism to determine pollution of water with

Escherichia coli is used as an indicator organism to determine pollution of water with:

Indicator of water pollution :

Define Water pollution

Non-point source of water pollution is

[A] : Population density of indicator organisms show degree of water pollution . [R] : BOD is an index of organic waste in water .

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Assertion: BOD indicates the extent of water pollution by organic wastes. Reason: Increase in BOD decreases dissolved oxygen of wastewater.

Which causes water pollution?

ALLEN-ORGANISM & ENVIRONMENT AND DEMOGRAPHY-EXERCISE-III
  1. Blood analysis of a patient reveals an ususually high quantity of carb...

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  2. Which is the most effective way to conserve the plant diversity of an ...

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  3. Common indicator organism of water pollution is

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  4. Which one of the following pairs is mismatched ?

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  5. identify the correctly matched pair

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  6. Biodiversity Act of India was passed by the Parliament in the year (...

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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. At which latitude, heat gain through insolation approximately equals h...

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  10. According to IUCN Red List, what is the status of Red Panda (Aliurus f...

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

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

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  13. Which of the following is not true for a species ?

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  14. One of the most important functions of botanical gardens is that

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  15. Mr. X is eating curd/yoghut. For this food intake in a food chain he s...

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  16. July 11 is observed as

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  17. Biochemical Oxygen Demand (BOD) is a measure of:

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  18. Which one of the following is a matching pair of certain organism (s) ...

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  19. In almost all Indian metropolitan cities like Delhi major air polluta...

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  20. The map given below indicates the former and the present distribution ...

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