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Identify the incorect statement...

Identify the incorect statement

A

Plants and sea water are receptors of `CO_(2)`

B

Microorganism acts as sink for dead plants and animals.

C

Methyl isocyanate and DDT are contaminants.

D

Pb, Hg, `CO_(2) and SO_(2)` are pollutants

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The correct Answer is:
A
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AAKASH SERIES-ENVIRONMENTAL CHEMISTRY-LEVEL - I (EXERCISE -I) (Definition of terms , Introduction , Environmental segments - Air pollution , Water pollution)
  1. In which of the following region of atmosphere, lowest tempt!rntures a...

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  2. Four samples of water A. B, C and D have the D.O. levels of 4 ppm. 3.8...

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  3. Identify the incorect statement

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  4. Gradual warming of the almospbere due to trapping of radia1ion of long...

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  5. Composition of PAN is

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  6. Match the following {:("List-I","List-II"),((A)" Biodegradable poll...

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  7. Among the following which is a conrnminent

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  8. Which of the following is contaminant responsible for Bhopal gas trage...

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  9. A substance which is not present in nature but added lo atmoshphere du...

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  10. Identification of a pollutant as organic, inorganic (or) organometalli...

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  11. The medium which reacts wi lh pollutant is called

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  12. The sink for dead plants and animals is

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  13. Which of the following can act as sink for CO(2)and SO(2)

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  14. Water is said to be polluted if the D.O value of water is less than

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  15. The amount of oxygen required for healthy growth of plants and animals...

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  16. A good quality of water will have

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  17. The amount of oxygen required to oxidise organic substance present in ...

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  18. Chemical oxygen demand is determined by using

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  19. COD is a measure of

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

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