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

  • question_answer
      Discuss the significant differences between the Himalayan and the Peninsular rivers.

    Answer:

                      Himalayan rivers: (i) These rivers are perennial, i.e., they flow throughout the year. (ii) They receive water from the melting of the glaciers, as well as rains. (iii) They have long and deep courses. (iv) They perform erosional activity in their upper course and carry huge loads of silt and sand. (v) They have large drainage basins. (vi) They make huge deltas at their mouths, which are well developed. Examples: Ganga and Brahmaputra Peninsular rivers: (i) These rivers are seasonal, i.e., they flow for a certain period in a year. (ii) They depend mainly on the rains and dry up during the dry season. (iii) They have short and shallow courses. (iv) They carry less or no silt and sand during their course. (v) They have comparatively smaller drainage basins. (vi) They make smaller deltas and two of the rivers also make estuaries. Examples: Godavari and Narmada


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