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BOD of a river water is found very high....

BOD of a river water is found very high. This means water:

A

clean

B

highly polluted

C

having algae

D

contain dissolved minerals

Text Solution

Verified by Experts

The correct Answer is:
B
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ARIHANT NEET-ENVIRONMENTAL ISSUES-Chapter exercises (A) Taking it together (Assorted Questions of the Chapter for Advanced Level Practice)
  1. Shallow lake rich organic products is called

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  2. Population explosion of small organisms due to nutrient enrichment of ...

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  3. BOD of a river water is found very high. This means water:

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  4. By what method can the quantity of organic pollutants in water be dete...

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  5. BOD is connected with the

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  6. Non-biodergadable pollutant is

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  7. Which one of the following impuritites is easiest to remove from waste...

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  8. "Itai-Itai" ("ouch-ouch") disease is caused by the poisoning of:

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  9. BOD of drinking water is:

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  10. Which one of the following diseases is not due to contamination of wat...

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  11. The most outstanding danger at present for survival of living beings o...

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  12. The term 'Nuclear war' is associated with

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  13. Secondary pollutant is

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  14. Contamination of radioactive materials are dangerous because it causes

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  15. Nuisance growth of aquatic plants and bloom-forming algae in natural w...

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  16. At dO below 4 mg/L, water at normal temperature is

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  17. Noise was recognised as air pollutant through amendment of

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  18. Photochemical reaction of nitrogen oxides with unsaturated hydrocarbon...

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  19. Photochemical smog brings about

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  20. Greenhouse gases are

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