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NCERT · Class 3 · EVS

Chapter 20: Drop by Drop

Practice each question, then open the answer or worked solution.

Questions

9 questions
Q1Written answer

From where do the people in Madho’s village fetch water for drinking?

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Worked solution

People in Madho’s village usually fetch water from a nearby pond. As the nearby pond has also dried up, his mother and sister have to walk a longer distance to fetch water. Sometimes a train carrying water comes, and Madho’s father goes to fetch water in his camel cart. Some people collect and store rainwater in tanks (tanka). They filter the rainwater through a special procedure and use the water for drinking after it is cleaned.

Q2Written answer

Who fetches water in Madho’s house?

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Worked solution

Madho’s mother and sister go to the nearby pond to fetch water. His father goes to fetch water in his camel cart. Sometimes, Madho is permitted to take water from one of the tankas of the village.

Q3Written answer

Water collected in the tanka is mostly used for drinking. Why?

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Worked solution

Rainwater is collected by some people through a special method and stored in tanks (tanka). The tanka is kept covered with a lid always, and the water collected is filtered properly and is used for drinking after it is cleaned.

Q4Written answer

Is rainwater collected in your house as well? If yes, how?

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Worked solution

No, rainwater is not collected in my house.

Q5Written answer

Can there be any other method of collecting water?

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Worked solution

Yes, water can be collected in tanks, drums, buckets, etc. It can also be stored by setting up water collection units or plastic water tanks on the house rooftop.

Q6Written answer

Can you think of ways of saving water? Write your suggestions below.

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Worked solution

Here are some useful tips to save water:

  • Never leave a water tap open
  • While brushing your teeth or taking a bath, do not leave the tap or shower running.
  • Fill a bucket of water instead of showering while taking a bath.
  • Any wastewater left after washing clothes can be reused to clean your washroom after use.
  • Any unused water can also be used to water plants in the garden.
  • In case of any water leakage, get it repaired at the earliest.
  • Recycle water whenever possible.
Q7Written answer

Have you seen water flowing unnecessarily in your home, school or any other place? Where?

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Worked solution

Yes, there was a tap in my garden which was leaking water drop by drop. My father got it repaired as soon as possible to avoid unnecessary leakage of water.

Q8Written answer

Look at the picture given below and answer – Can we use the water that has been used for one purpose for something else?

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Worked solution

Yes, we can use the water that has been used for one purpose for other purposes. As per the picture given above, bathing water can be used to bathe the animals.

Besides, water left after washing vegetables can be used to water plants in the garden. Leftover water after washing clothes can be recycled for cleaning the house, such as mopping the floors. Water used for washing hands and feet can be utilised in the toilet.

Q9Written answer

Draw lines using different colours to show which work will be done after the other so that the same water can be reused. One example has been given.

NCERT Solutions Class 3 EVS – Chapter 20 - 1

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Worked solution

NCERT Solutions Class 3 EVS – Chapter 20 - 2