Lesson 6 | Pollution all Questions and Answers | Class 6 English SCERT Textbook
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LESSON 6 | POLLUTION QUESTIONS AND ANSWERS |
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Can we live without water? No, we cannot. We need air to breathe, and the air we breathe must be clean and fresh. The air mixed with dust and smoke is polluted air. When polluted air goes into our lungs, we can fall ill.
When you visit an industrial area, what do you see? You see smoke coming out of chimneys. The air becomes thick with clouds of smoke. The fumes of cars, buses and trucks also fill the air.
Your ears are also filled with the noises of factories and trains. The smoke of factories and the fumes of automobiles make the air dirty. This is how air becomes polluted.
Air is polluted all the time by smoke and foul smells. Can we survive in such an environment? No, we cannot. What can we do then? We can take good care of our environment and protect it from being spoilt.
One of the ways of protecting the environment is to make people aware of the dangers of destroying the world around us.
Green plants enrich the air with oxygen. They use up the carbon dioxide and other harmful gases. In this way plants protect us from a number of diseases. So we must warn people of the dangers of cutting trees. We should plant more trees.
There are many other ways in which we can keep the air clean. Cars and buses should be cleaned regularly to reduce the release of harmful gases. Factories must adopt measures to protect the environment.
We must also take steps to keep the water clean. Like air, water is very valuable for us. We cannot live without water. We need water in our daily lives. People cannot survive in an environment where water is polluted either by natural causes or by man-made causes. You must have heard about the water of the Brahamaputra becoming dark and polluted in 2018. Scientists had analysed the water and found some harmful matter in it. This was the result of an earthquake at the source of the river. Similarly, the garbage that we dump into rivers pollutes the water, making it unfit for all living beings. Other sources of water pollution are industrial waste and the wastes from commercial establishments. Industries release waste material into the rivers.and make them toxic.
Our soil can also become polluted when the fertiliity of the soil is lost and it becomes unfit for human and animals use. Use of too many pesticides, dumping of non degradable household and industrial waste can also damage the soil. Such practices need to be stopped. Only then will the world be a safer place to live in. People should be aware of the danger posed by pollution to the survival of life on Earth. Together, we must do all we can to save our planet and ourselves.
Pollution All Questions Answers | Class 6
ACTIVITIES
1. Do you realize the importance of protecting the environment from pollution? Check how much you remember by answering the following questions:
(a) The air mixed with dust and smoke is polluted air. How does the air get polluted in an industrial area?
Answer: In industrial areas, the factories exhale smokes, the automobiles also release harmful fumes. The air becomes thick with clouds of smoke. Thus, the air gets polluted there.
(b) Why do we need clean and fresh air?
Answer: We cannot survive without clean and fresh air. If polluted air goes into our lungs, we may fall ill. So, we need clean and freshwater.
(c) What happens when the air becomes polluted?
Answer: When the air becomes polluted, the polluted air goes into our lungs. It then causes many diseases in the human body. The survival of mankind will be at stake in polluted air.
(d) Why is our environment getting spoilt?
Answer: Our environment is getting spoilt because of the harmful activities of mankind. The industries are polluting the air. Moreover, the dumping of garbage into the rivers is polluting the water. The use of pesticides and other nondegradable wastes is damaging the fertility of the soil.
(e) How can we protect our environment?
Answer: In order to protect the environment, we will have to stop the harmful practices. The use of pesticides and non-degradable wastes must be decreased. The garbage must not be dumped into the river water. The industrial smokes must also be prevented.
(f) How do green plants and trees help us and our environment?
Answer: The green plants enrich the air with oxygen. They use up the carbon-di-oxide and other harmful gases. They also protect us from many deadly diseases.
(g) What steps should we take to keep our environment clean?
Answer: In order to keep our environment clean, we may take several measures. The cars and buses must be clean regularly to prevent the release of harmful gases. Factories also have to adopt measures to protect the environment. In order to prevent water pollution, the industries must stop dumping wastes into the river. Similarly, pesticides and non-degradable wastes should also be managed to prevent soil pollution.
(h) How does water become polluted?
Answer: Water mainly gets polluted either by natural causes or by man-made causes. Earthquake at the source of the river makes the river water unclear. Similarly, men dumps wastes into the river and pollute the water. Industrial waste and waste from another commercial establishment also cause great water pollution.
(i) How does soil become polluted?
Answer: Soil becomes polluted when the fertility of the soil is lost. It happens mainly because of over use of pesticides and dumping of non-degradable waste onto the soil.
Pollution Class 6 | Questions and Answers
2. In the lesson, you read about some ways in which our environment gets polluted. In your notebook make three columns like this:
Air pollution – Fumes of automobiles – Smokes of factories
Water Pollution – Earthquake at the source of the river – Dumping of Garbage
Soil Pollution – Pesticides – Non degradable household and industrial waste
Now write the causes of these different types of pollution in the proper columns, taking the help of information provided in the lesson. One is done for you.
3. Here's is a game for you:
Say the word 'pollution' to your friend. Ask him or her to say a sentence with it. Then your friend will say another word relating to pollution and you will have to make a sentence with it. continue the game using as many words related to pollution as you can think of.
Answer:
Pollution: Pollution is a modern-day problem.
Air: We should breathe fresh air.
Industry: Industries releases harmful gases.
Water: Water is life.
Pesticides: We should use pesticides.
Global warming: Pollution is giving rise to global warming.
4. Read the text again and find out the words that you do not understand. Look up their meanings in the dictionary. Write down their meaning for the sentence in the text. One is done for you.
waste - rubbish, especially domestic refuse -
pollution - the presence of contaminants in the natural environment -
environment - the surroundings -
industry - the manufacturing sector -
factory - a manufacturing unit -
toxic - poisonous -
pesticide - Insects Killing substance
non-degradable - a product that does not get decomposed -
9. Here is a class project for you. Talk to your parents and relatives and write three sentences on what to do and what not to do to make our environment pollution free:
Answer:
Do's for Environment protection
• We should plant more trees.
• We should use organic and environment-friendly products.
• We should reuse or recycle non-degradable products.
Don'ts for Environment Protection
• We should not dump garbage into the water.
• We should not use chemical pesticides.
• We should not allow factories to release smoke.
10. Draw a picture to show a clean and healthy environment.
11. Choose any one of the headmaster's statements on the environment and design a poster.
12. Say these words aloud. Observe the difference.
o in - not o in - our
o in - to o in - woman
o in - go o in - women
The letter o is pronounced differently in all these words.
13. Read the following and find the answer:
I'm grave and I'm gay, I' heavy and light;
In form to I differ - I'm thick and I'm thin,
I've no flesh and no bones, yet I'm covered with skin;
I often die soon, though I sometimes live ages,
And no king alive has so many pages.
Who am I?
Answer: BOOK
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