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Read the given extract… (Class 10 Social Science 2023, Q35)

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Social ScienceCBSE Class 10 · Board exam 2023, set 32/5/1 · 4 marks · Case-based

CBSE Class 10 Social Science 2023: question 35

Set in the CBSE Class 10 board exam of 2023, paper 32/5/1, section E, question 35, for 4 marks. Try it first; the hints and our step-by-step solution are below.

Q35 · 4 marks · Case-basedCompetency-basedWater Resources

Read the given extract and answer the questions that follow:

In ancient India, along with the sophisticated hydraulic structures, there existed an extraordinary tradition of water-harvesting system. People had an in-depth knowledge of rainfall regimes and soil types and developed wide ranging techniques to harvest groundwater, rainwater, river water and flood water in keeping with the local ecological conditions and their water needs. In hilly and mountainous regions, people built diversion channels like the 'kuls' and 'guls' of Western Himalayas for agriculture. Rooftop rainwater harvesting was very commonly practised to store drinking water, particularly in Rajasthan.

  1. (35.1)

    Mention any two methods of traditional water-harvesting used in India.

    1 mark
  2. (35.2)

    How do people of Rajasthan utilise rainwater ?

    1 mark
  3. (35.3)

    Explain any two benefits of rainwater harvesting.

    2 marks

Source: official question paper from cbse.gov.in (PDF). See it in the full 2023 board paper, set 32/5/1.

Hints

Open one hint at a time and try again before the next.

Hint 1

The extract names one traditional method in its text.

Hint 2

Think of tankas and palarpani in Rajasthan.

Hint 3

Consider how stored water helps drinking water supply and farming.

Step-by-step solution

Each step shows the marks it earns, as an examiner would award them. Checked by an independent re-solve from the question paper.

  1. (35.1) Two traditional methods: the 'kuls' and 'guls' (diversion channels) of the Western Himalayas, and the khadins and johads of Rajasthan. Inundation channels of Bengal are also accepted.

    1 mark

  2. (35.2) In Rajasthan, people store rainwater in underground tanks (tankas) fed by rooftop harvesting (palarpani). It is a reliable source of drinking water, and the tanks keep rooms cool in summer.

    1 mark

  3. (35.3) Benefit 1: Rainwater harvesting meets the water needs of people and regions. Stored rainwater provides drinking water, particularly in dry areas like Rajasthan.

    1 mark

  4. Benefit 2: Diversion channels carry harvested water to fields for agriculture, and water stored in tanks is available through the year. This reduces dependence on groundwater.

    1 mark

Answer: (35.1) Kuls/guls and khadins/johads; (35.2) Rooftop harvesting stored in underground tankas; (35.3) It meets drinking and irrigation needs and reduces dependence on groundwater.

Where the marks are

  • (35.1) Any two methods (½ + ½ marks)
  • (35.2) Tankas or rooftop harvesting explained (1 mark)
  • (35.3) Any two benefits explained (1 + 1 marks)

Revise the chapter

  • Chapter: Water Resources (notes, formulas, where marks are lost and every past question)
Practise this chapterBoard-style questions from Water Resources, one at a time, marked against the answer key and marking points.Back to the full paper2023 board paper, set 32/5/1: every question, by section.

The question is transcribed from the official paper; figures are described in words. The solution, hints and chapter tag are ours. Spotted an error? Write tosupport@questionbuddy.in.