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Social Science · Textbook solutions

Water Resources

Every solved example, exercise, and miscellaneous question, in the order the textbook teaches them. · 10 questions

Exercises

10 q
  1. Ex 3 Q1 (i)
    Based on the information given below classify each of the situations as ‘suffering from water scarcity’ or ‘not suffering from water scarcity’. (a) Region with high annual rainfall. (b) Region having high annual rainfall and large population. (c) Region having high annual rainfall but water is highly polluted. (d) Region having low rainfall and low population.
  2. Ex 3 Q1 (ii)
    Which one of the following statements is not an argument in favour of multi-purpose river projects?

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  3. Here are some false statements. Identify the mistakes and rewrite them correctly.
    Ex 3 Q1 (iii)(a)
    Multiplying urban centres with large and dense populations and urban lifestyles have helped in proper utilisation of water resources.
  4. Here are some false statements. Identify the mistakes and rewrite them correctly.
    Ex 3 Q1 (iii)(b)
    Regulating and damming of rivers does not affect the river’s natural flow and its sediment flow.
  5. Here are some false statements. Identify the mistakes and rewrite them correctly.
    Ex 3 Q1 (iii)(c)
    Today in Rajasthan, the practice of rooftop rainwater water harvesting has gained popularity despite high water availability due to the Indira Gandhi Canal.
  6. Answer the following questions in about 30 words.
    Ex 3 Q2 (i)
    Explain how water becomes a renewable resource.
  7. Answer the following questions in about 30 words.
    Ex 3 Q2 (ii)
    What is water scarcity and what are its main causes?
  8. Answer the following questions in about 30 words.
    Ex 3 Q2 (iii)
    Compare the advantages and disadvantages of multi-purpose river projects.
  9. Answer the following questions in about 120 words.
    Ex 3 Q3 (i)
    Discuss how rainwater harvesting in semi-arid regions of Rajasthan is carried out.
  10. Answer the following questions in about 120 words.
    Ex 3 Q3 (ii)
    Describe how modern adaptations of traditional rainwater harvesting methods are being carried out to conserve and store water.