1. (i) Rapid industrialisation after the independence. (ii) Due to ever-increasing number of industries excess use of fresh water. (iii) Multiplying urban centres with large and dense population and urban lifestyles have added to water and energy requirements. (iv) Overexploitation of water resources iRead more

    (i) Rapid industrialisation after the independence.
    (ii) Due to ever-increasing number of industries excess use of fresh water.
    (iii) Multiplying urban centres with large and dense population and urban lifestyles have added to water and energy requirements.
    (iv) Overexploitation of water resources in cities as well as in villages.

    For more answers visit to website:
    https://www.tiwariacademy.com/ncert-solutions/class-10/social-science/

    See less
    • 6
  2. (i) Rooftop rain water is collected using a PVC pipe (ii) Filtered using sand and bricks (iii) Underground pipe takes water to sumps for immediate usage (iv) Excess water from the sump is taken to the well. (v) Water from the well recharges the underground (vi) Later take water from the well. For moRead more

    (i) Rooftop rain water is collected using a PVC pipe
    (ii) Filtered using sand and bricks
    (iii) Underground pipe takes water to sumps for immediate usage
    (iv) Excess water from the sump is taken to the well.
    (v) Water from the well recharges the underground
    (vi) Later take water from the well.

    For more answers visit to website:
    https://www.tiwariacademy.com/ncert-solutions/class-10/social-science/

    See less
    • 7
  3. Building dams on a river and achieving many purposes is called Multi-purpose projects. Some of these are- (i) Irrigation (ii) Electricity generation (iii) Water supply for domestic and industrial uses (iv) Inland navigation and tourism (v) Flood control (vi) Fish breeding. For more answers visit toRead more

    Building dams on a river and achieving many purposes is called Multi-purpose projects. Some of these are-
    (i) Irrigation
    (ii) Electricity generation
    (iii) Water supply for domestic and industrial uses
    (iv) Inland navigation and tourism
    (v) Flood control
    (vi) Fish breeding.

    For more answers visit to website:
    https://www.tiwariacademy.com/ncert-solutions/class-10/social-science/

    See less
    • 7
  4. (i) A technique in which rain water is filled in empty places,tanks in houses, abandoned dugwell etc.Later it is used. (ii) In hill and mountainous regions, people built diversion channels like 'guls' and 'kuls' for irrigation. (iii) 'Rooftop rain water harvesting' was commonly practiced to store drRead more

    (i) A technique in which rain water is filled in empty places,tanks in houses, abandoned dugwell etc.Later it is used.
    (ii) In hill and mountainous regions, people built diversion channels like ‘guls’ and ‘kuls’ for irrigation. (iii) ‘Rooftop rain water harvesting’ was commonly practiced to store drinking water ,particularly in Rajasthan.
    (iv) In the flood plains of Bengal, people developed inundation channels to irrigate their fields.
    (v) Rain fed storage structures like the ‘Khadins’ and ‘Johads’ in arid and semi-arid regions.

    See less
    • 7