9th Class Social Science Drainage Question Bank 9th CBSE Social Science Drainage

  • question_answer
      How lakes are of great value to human beings? State any six importance's,          Or What is lake? Explain the importance of lakes. Or Describe any three benefits of lakes?

    Answer:

                      Lake is a large body of water that is entirely surrounded by land. Lake water can be fresh or more rarely salty or saline. Importance of lakes are (i) Lake are of great value to human beings. It helps to regulate the flow of a river. (ii) During heavy rainfall, it prevents flooding and during the dry season, it help to maintain an even flow of water. (iii) Lakes can also be used for developing hydel power. They moderate the climate of the surroundings  maintain the aquatic ecosystem, enhance natural beauty, help develop tourism and provide recreation.


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