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Which of the following is a measure of b...

Which of the following is a measure of bacteria present in water

A

D.O

B

COD

C

B.O.D

D

TLV

Text Solution

Verified by Experts

The correct Answer is:
C
B.O.D
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AAKASH SERIES-ENVIRONMENTAL CHEMISTRY-ADDITIONAL PRACTICE EXERCISE (LECTURE SHEET)
  1. The amount of oxygen required for healthy growth of plants and animals...

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  2. The amount of oxygen used by micro organisms present in water for five...

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  3. Which of the following is a measure of bacteria present in water

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  4. Which of the following does not indicate high level of pollutants or t...

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  5. The study of toxicity of organo metallic compounds is termed as

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  6. The level of CO gas in air that causes immediate death is

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  7. The source of CO2 in the atmosphere is

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  8. Which is incorrect about 'green house effect'

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  9. The species formed in the depletion of ozone layer by chlorotlurocarbo...

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  10. Ozone is useful in and harmful in

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  11. Carcinogenic pollutant is

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  12. Which of the following is a sink for CO ?

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  13. Depletion of ozone layer causes

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  14. The type of hybridisation of carbon atoms of the molecule of the gas i...

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  15. The non-viable particulate is among the following is

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  16. The loss or reduction of chlorophyll in the leaves is termed as

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  17. Increase in concentration of pollutant by the process of food chains i...

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  18. Eutrophication is mainly caused by

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  19. Which of the following is not an algae nutrient?

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  20. Lakes containing excess of nuritious substance are called

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