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What is eutrophication ? What it its con...

What is eutrophication ? What it its consequence ?

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It is the process in which excessive growth of algae (algal bloom) occurs as a result of extra loading of nutrients (nitrates ans phophates) in the water body.
Eutrophication leads to depletion of dessolved oxygen in water resulting in killing of aquatic organisms.
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PRADEEP-NATURAL RESOURCES : OUR ENVIRONMENT-SHORT ANSWER QUESTIONS
  1. What do you mean by hygroscopic water and combined water in the soil ?...

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  2. What is biomagnification? Name two heavymetals which, when magnified r...

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  3. What is eutrophication ? What it its consequence ?

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  4. Name two fresh water sources which provide fresh water for human use.

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  5. (a) Name two acids that are usually present in rain water. (b) How t...

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  6. Name any two climatic events that take place in the atmosphere.

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  7. Name any two fossil fuels being used by man which cause air pollution.

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  8. How do the fossil fuels being used by man which cause air pollution : ...

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  9. What are the sources of SO(2).(NO(X)) and methane.

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  10. (a) List two bacteria which bring about nitrification. (b) List one ...

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  11. Differentiate between capillary water, hydroscopic water and combined ...

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  12. (a) List the names of chemicals whose biomagnification result in follo...

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  13. (a) List atleast three gaseous air pollutants that are emitted from au...

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  14. What is meant by terrace farming ? What is its advantage ?

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  15. How does accumulation of solid wastes make the human life miserable ?

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  16. What is the negative effect of excessive use of fertilizers and pestic...

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  17. What do you mean by biological weathering ?

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  18. Name adtleast one free-living and one symbiotic bacterium reponsible f...

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  19. Give atleast two sources of methane formation in nature.

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  20. Mention two examples of rocks wherein carbon is present as carbonates.

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