NCERT Class 4 EVS Chapter-13 A River’s Tale

NCERT Solutions for class 4 EVS Chapter-13 

This page consists of NCERT Solutions for class 4 EVS Chapter-13 A River’s Tale, all the questions asked in Chapter-13 A River’s Tale are solved with the required details. 

Introduction of NCERT Solutions for class 4 EVS Chapter-13 A River’s Tale

There are many things that dissolve easily in water. Some of these can be very harmful to our body. Hence, we clean water before drinking it. One of the best ways to do this is to boil the water. If for some reason this cannot be done, can you think of some other ways to clean water?
How is drinking water cleaned in your house?
Find out the many different ways of cleaning water at home. Ö Draw pictures showing two ways of cleaning the water.

A few sample questions and solutions of the NCERT textbook are as follows for the entire NCERT exercise solutions check out the pdf.
  
Question 3:
At some places, there are many fish in the river, at others there are only a few and at some places there are dead fish. What could be the reason for this? Discuss.
Answer:
(a) Places where there are many fish indicates the river water is clean. (b) Places where there are only a few fish means that the river water is quite polluted.
(c) Places, where there are dead fish, indicates that the river water has become poisonous.
Question 4:
What can be seen in the river before it reaches the village?
Answer:
Before reaching the village, the water of the river appears clean, and many fish are visible as well.
Question 5:
At which places did the colour of the water in the river change? Why did this happen? Discuss.
Answer:
The colour of the river changed near villages, towns, and cities because the river water got polluted with domestic and industrial wastes generated by the people living in the city.
Question 6:
Which of the places shown in the picture would you like to live in? Why?
Answer:
I would like to live in the area from where the river started because that part of the river is clean, crystal clear with no pollution.
[Students should mention their experience based on the above lines.]

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