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Which one of the following is a wrong st...

Which one of the following is a wrong statement

A

Greenhouse effect is a natural phenomenon

B

Eutrophication is a natural phenomenon in freshwater bodies

C

Most of the forests have been lost in tropical areas

D

Ozone in upper part of atmosphere is harmful to animals

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The correct Answer is:
D
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MOTION-ECOLOGY-EXERCISE -3
  1. The upright pyramid of number is absent in

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  2. Which one of the following is not a gaseous biogeochemical cycle in ec...

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  3. Which one of the following is a wrong statement

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  4. The highest number of species in the world is represented by

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  5. Given below is an imaginary pyramid of numbers. What could be one of t...

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  6. Identify the possible link ''A'' in the following food chain Plant ...

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  7. Measuring Biochemical Oxygen Demand (BOD) is a method used for

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  8. People who have migrated from the planes to an area adjoining Rohtang ...

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  9. The second stage of hydrosere is occupied by plants like

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  10. Identify the likely organisms (a), (b), (c) and (d) in the food web sh...

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  11. In gobar gas, the maximum amount is that of

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  12. Select the correct statement about biodiversity

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  13. Cuscuta is an example of

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  14. Sacred groves are specially useful in

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  15. The rate of formation of new organic matter by rabbit in a grassland, ...

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  16. The domestic sewage in large cities

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  17. A sedentary sea anemone gets attached to the shell lining of hermit cr...

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  18. Kyoto Protocol was endorsed at

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  19. Secondary productivity is rate of formation of new organic matter by:

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  20. Which one of the following processes during decomposition is correctly...

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