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How is the life of organisms living in w...

How is the life of organisms living in water affected when water gets polluted ?

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Addition of undesirable chemical (perticides, fetiliers, industrial and waste and also domestic waste) kill the useful aquatic organisms, deplete dissovle oxyen and are causes of many diseases of animals .
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PRADEEP-NATURAL RESOURCES : OUR ENVIRONMENT-SHORT ANSWER QUESTIONS
  1. Rivers from land, add minerals to sea water. Discuss how ?

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  2. How can we prevent the loss of top soil?

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  3. How is the life of organisms living in water affected when water gets ...

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  4. In coastal area, wind current moves from the sea towards the land duri...

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  5. Following are a few organisms Which among the above can grow on stone...

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  6. Soil formation is done by both abiotic factors. List the names of thes...

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  7. All the living organisms are basically made up of C,N,S,P,H and O, . H...

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  8. Why does the percentage of gases like oxygen, nitrogen and carbon diox...

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  9. Why does moon have very cold and very hot temperature variations e.g.,...

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  10. Why do people love to fly kites near the seashore ?

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  11. Why does Mathura refinery pose problems to the Taj Mahal?

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  12. Why do not lichens occur in Delhi whereas they commonly grown in Manal...

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  13. Why does water need conservation even though large oceans surround the...

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  14. There is mass mortality of fishes in a pond. What may be the reasons?

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  15. Lichens are called pioneer colonisers of bare rock. How can they help ...

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  16. Soil is formed by water'. If you agree to this statements then give re...

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  17. Fertile soil has lots of humus. Why?

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  18. Why step farming is common in hills?

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  19. Why are root nodules useful for the plants?

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  20. What are inexhaustible resources?

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