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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 filies

D

Sewage fungus

Text Solution

Verified by Experts

The correct Answer is:
C
Among the following stone flies are not bioindicators of pollution. Stone flies (e.g. Perla sp.) belong to order-Plecoptera of class - Insecta, which has the terrestrial mandibulates.
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-ENVIRONMENTAL ISSUES-Exercise
  1. According to Central Pollution Control Board (CPCB), which particulate...

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  2. A lake near a village suffered heavy mortality of fishes within a few ...

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

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  4. In a coal fired power plant, electrostatic precipitators are installed...

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  5. In which one of the following, the BOD (Biochemical Oxygen Demand) of ...

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  6. Photochemical smog pollution does not contain

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

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

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  9. Which one of the following pairs is mismatched?

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

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  11. Recently government of India has allowed mixing of alcohol in petrol.W...

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  12. Lead concentration in blood is considered alarming if it is

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  13. Identify the correctly matched pair:

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  14. In 1984 the Bhopal gas tragedy took place because methyl isocyanate re...

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  15. if by radiation all nitrogenase enzyme is inactivated, then there will...

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  16. Fluride pollution initially affects

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  17. Which of the following is absent in polluted water ?

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  18. What is BOD ?

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  19. What is the intensity of sound during normal conversation?

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  20. Which of these is a pollution related occupational health hazard?

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