NCERT Solutions for Class 4 EVS Chapter 13

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

NCERT Solutions for Class 4 EVS Chapter 13 provides you with the best answers for all the questions given in the exercise of this chapter. The chapter becomes easy to understand as all the answers are explained with easy examples and relevant diagrams. All the examples given are presented in a systematic manner in these solutions. The key points of this chapter are explained in detail in these NCERT Solutions. Our subject-matter experts have compiled these solutions in a PDF and students can download and refer to these NCERT Solutions for their exam preparation. 

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Question and Answers

1: What is the colour of the river where it begins?

Ans: The river appears colorless/light blue from where it begins,

2: 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.

Ans: There would be many fish in the river if the water is clean or not polluted. If the river is polluted, there will be dead fish or a decreased population of fish. As a result, we may state that it depends on the river's water quality.

3: What can be seen in the river before it reaches the village?

Ans: Because the water is pure, many fish may be seen before it reaches the village.

4: At which places did the colour of the water in the river change? Why did this happen? Discuss.

Ans: Near villages, towns, and cities, the colour of the river's water is altered. It happened because river water is polluted by home and industrial trash, among other things.

5: Which of the places shown in the picture would you like to live in? Why?

Ans:  I'd like to dwell in the area where the river begins. Because the water there is pure.

Picture is given below

(Image Will Be Updated Soon)

6: Would you like to change any of the things that you see in the picture? Why and how?

(Image Will Be Updated Soon)

Ans: With the support of my friends and the government, I'd like to clean up the region around the river. The river is polluted by garbage products near it.

7: Have you seen people throwing different things into rivers or water bodies?

Ans: Yes, I've seen individuals dump various items into rivers and other bodies of water.

8: What could be done to keep rivers clean? Discuss.

Ans: To keep the rivers clean or to maintain the cleanliness of the rivers we can take the following steps.

1. We should not toss rubbish into rivers, such as plastic bags, glass bottles, and so on.

2. Industrial trash should not be dumped in rivers or other bodies of water.

3. Household waste, sewage water, and agricultural waste should not be dumped into rivers or other bodies of water.

9: If you wanted to drink some water, from which part of the river would you like to drink? Why?

Ans: I'd want to drink water from the river's source because it's clean and pure.

10.In the last part of the picture the river flows into the sea. Have you ever seen the sea? Where? In a movie, or somewhere else?

(Image Will Be Updated Soon)

Ans: Yes, I've been to the beach. I saw the sea and a beach when I visited Mumbai. I've also seen the sea in movies.

11: Have you ever been near a river or sea? When?

Ans: Yes I have been near the sea when I travelled to my Aunt's house in Mumbai. My aunt's apartment was a sea facing apartment.

12: Is the water from the sea drinkable? Why?

Ans: No, seawater is not drinkable due to the high concentration of salts in it.

13: Do you think that there would be changes taking place in a river, pond, or stream at different times of the year? What kind of changes would these be? Discuss.

Ans: Yes, at different seasons of the year, variations in a river, pond, or stream might occur. In the summer, water levels in rivers, ponds, and streams are very low; in the rainy season, water levels are high; and in the winter, water in rivers, ponds, and streams freezes in certain places.

14: Will there be the same amount of water in the ponds or rivers during the rainy season and in the summer?

Ans: No, the volume of water in the ponds/rivers during the rainy season and the summer will not be the same. During the rainy season, the water level in ponds and rivers will be higher than during the summer.

15: Is there a pond, river or lake near your town or city? Find out –

a. Are there any changes in the water during summers, the rainy season and in winters? 

b. What are the different kinds of water animals found there? 

c. What kind of trees and plants grow around it? 

d. What are the kinds of birds that come there? 

e. Have you ever seen or read about floods? Where? 

f. What happens when there is a flood? 

g. Have you seen dirty water in a river or pond? Where? 

h. How would you know if the water is dirty? If the water looks clean, can you be sure that it is alright to drink that water? Discuss.

Ans: Yes, the river Mahanadi runs through my town.

a. Yes, the water changes during the summer, the rainy season, and the winter.

b. The river is home to a variety of fish species.

c. It is surrounded by teak and bamboo trees.

d. Birds such as the white-brown bulbul, crow, small ringed plover, Indian robin, and others can be seen near the Narmada river.

e. I have witnessed floods in Jabalpur.

f. During a flood, dry land is frequently flooded in water, and water overflows into rivers, ponds, and other bodies of water. Houses and roads are also inundated by the floodwaters.

g. Yes, I've seen filthy water in a pond near my grandmother's Raipur home.

h. Water that is hazy, muddy, or has a foul odour indicates that it is unclean. Even if water appears to be clean, it may contain bacteria that are invisible to the naked eye. So, just because water appears clean doesn't mean it's safe to drink.

16: What did you observe? Put ( ) mark in the right places.

Things

Dissolved (mixed) in water

Did not dissolve in water

Colour of water changes

Colour of water does not change

Sugar





Salt





Lemon juice





Haldi





Soap water





Flour





Dal





Sherbet





Cooking soda





Oil (mustard, til or any other)






Now on the basis of your observations tell

a. Do all things dissolve in water? 

Ans: No, not everything dissolves in water.

b. Does the colour of the water always change? 

Ans: b. No, the colour of the water does not constantly change.

c. Did oil dissolve in water? How can you say whether it has dissolved or not?

Ans: c. No, oil does not dissolve when it meets water. Because it forms a separate layer on top of the water, I can say it didn't dissolve.

Things

Dissolved (mixed) in water

Did not dissolve in water

Colour of water changes

Colour of water does not change

Sugar



Salt



Lemon juice



Haldi



Soap water



Flour



Dal



Sherbet



Cooking soda



Oil (mustard, til or any other)




17: How is drinking water cleaned in your house?

Ans: In my residence, a water purifier cleans the drinking water.

18: Find out the many ways of cleaning water at home. 

Ans: The following are some methods for cleansing water at home.

1. Alum can be used to purify water.

2. By boiling the water we can clean it. 

3. Chlorination can also be used to clean water.

19: Draw pictures showing any two ways of cleaning the water.

Ans: Water-cleaning techniques are depicted in pictures.

1. Through covering the pot with clean cloth.

(Image Will Be Updated Soon)

2. By boiling –

(Image Will Be Updated Soon)

NCERT Solutions Class 4  EVS- A  River's Tale Free PDF Download

Students can download the chapter-wise NCERT Solutions Class 4 EVS to access them in an offline mode. They can download the NCERT Solutions Class 4 EVS A River's Tale PDF from Vedantu for free and study them even when there is no internet connectivity. Practicing the questions and answers by using our NCERT Solutions will help students learn and understand the chapter thoroughly. These NCERT Solutions will help students to clear their doubts and secure good marks in the exam.

NCERT Solutions Class 4 EVS

Chapter 13 A River's Tale

NCERT Solutions Class 4 EVS Chapter 13 A River's Tale points out the consequences caused by human activities in the water bodies such as rivers. It also emphasizes the pollution of water in detail which includes what is river pollution, causes of river pollution, the human role in causing river pollution, and how it impacts the river and the surroundings. Our NCERT Solutions of Class 4 EVS have been prepared and compiled by our subject-matter experts who have added many examples, pictorial representations to the answers to make sure that it will be more engaging and interesting for the students.

Class 4th EVS Chapter 13 Marks Weightage

Class 4th EVS Chapter 13 is one of the most important chapters of the book with a weightage of 4 marks. Generally, two short questions of 2 marks each can be expected in the exam from this chapter. The NCERT Solutions on Vedantu will help students to go through the minute details covered in this chapter. Knowing the topics in detail is necessary for answering the short questions in the exam.

Here is more detail about the contents of Chapter 13  A River's Tale Class 4 EVS.

13.1 What can be seen in the river before it reaches the village Question (long)

13.2 What is the color of the river where it begins? Questions (1 short)

 

Why Are NCERT Solutions For Class 4 EVS Chapter 13 Important?

  • Preparing from our NCERT Solutions Class 4 EVS Chapter 13 is one of the best ways for students to quickly grasp and learn the chapter in a very short duration and also become ready for attempting all the questions in the exam with confidence.

  • The topic-wise answers to the exercise questions will help students to prepare every topic covered in this chapter thoroughly.

  • These NCERT Solutions prepared by the subject experts make sure that it is convenient for students to learn and understand the chapter efficiently.

  • Students can download these NCERT Solutions for free of cost.

FAQs (Frequently Asked Questions)

Q1. At Which Place and Why the Color of the River Changes.

Answer: At the place where the river begins, the colour of the water is crystal clear, the water is pure and blue. As soon as the water of the river reaches the city, the water becomes dirty and its colour changes from blue. This happens because the water of the rivers gets polluted, as the people of the city contaminate it by throwing waste materials and garbage in it. Even the waste from the sewage as well as the industries are dumped into the river and its water no more remains crystal clear. 

Q2. Are the NCERT Solutions Class 4 EVS Chapter 13 Helpful for Exam Preparation?

Answer: Yes, the NCERT Solutions Class 4 EVS Chapter 13 are helpful for the exam preparation. These solutions are available in the PDF format and can be easily downloaded for free from Vedantu. The subject-matter experts at Vedantu have prepared these NCERT Solutions so students can understand the chapter thoroughly and prepare effectively for their exams.

Q3. Can I download Vedantu’s NCERT Solutions for Class 4 EVS Chapter 13 for offline use?


Answer: Vedantu NCERT Solutions for Class 4 EVS Chapter 13  are available for easy download:

  1. Click on the link of NCERT Solutions for Class 4 EVS.

  2. Click on Chapter 13.

  3. Scroll down on the Solutions’ page and click the option to “Download PDF”.

  4. The subsequent page will provide you with a link to start your download promptly.

Alternatively, you can also download these solutions from the Vedantu mobile app. Do remember that these solutions are free to download. Install the app on your phone to avail more such benefits.


Q4. What are the significant features of Vedantu’s NCERT Solutions for Class 4 EVS Chapter 13?


Answer: The NCERT solutions for this chapter provided free of cost by Vedantu are beneficial to the students because:

  1. These solutions have been prepared by teachers of high calibre and long-term experience in teaching CBSE students.

  2. These are the latest solutions that you can find online as they are regularly updated as per the CBSE guidelines. 

  3. The solutions are authentic and have been prepared to meet the CBSE guidelines.

  4. Vedantu Solutions for EVS Chapter 13 use straightforward and uncomplicated language so that it is easily comprehensible by Class 4 students.

Q5. What is the theme of the chapter “A River’s Tale”?

Answer: "A Rivers Tale" revolves around the theme of the rivers of today. In this chapter, students learn the tragic effects of various human activities that lead to the pollution of our rivers. They are also taught the importance of rivers and the disastrous consequences that we may face if we keep polluting our rivers. Through various activities, this interactive chapter seeks students’ attention for this very important matter of environmental pollution and its consequences. 


Q6. Why are there fewer fish in some parts of the river?


Answer: The chapter "A River’s Tale" enlists various causes and consequences of river pollution. One such consequence is the lack of oxygen for the fishes due to the river pollution in certain parts of the river, because of which fishes are not able to survive. If such water pollution continues in the rivers of our country, it is possible that many aquatic animals lose their lives. It can be seen that in rivers where there is not much pollution, aquatic life thrives, and one can find many fishes there.

Q7. What do you learn from the chapter “A River’s Tale" of Class 4 EVS?


Answer: "A River's Tale" makes the students aware of the ongoing water pollution that is happening around the world, especially in our rivers. It teaches them the importance of having clean rivers. It also teaches them how rivers are beneficial to us and what will happen if we continue letting the rivers get polluted. It has become of undue importance that the young generation today is aware of the damage done to the environment. This chapter makes the students environmentally conscious and aware.

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