Saturday, 18 April 2020

Pollution | Class 6 | Lesson 6 | English | Questions And Answers | SCERT

Pollution

ENGLISH
CLASS: 6
LESSON: 6
ASSAM SCERT TEXTBOOK


Pollution | Class 6 | Lesson 6 | English | Questions And Answers | SCERT
POLLUTION CLASS 6 QUESTIONS ANSWERS

ACTIVITIES

1.

(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.

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Class 6 Science Answers In Assamese Medium

(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. 

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(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 overuse of pesticides and dumping of non-degradable waste onto the soil.

2.





pollution question and answers, class 6, lesson 6
Pollution Class 6 | Questions and Answers



3.Questions

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.Questions

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.
 
questions and answers, question no 10, pollution, class 6

11. Choose any one of the headmaster's statements on the environment and design a poster.

class 6, lesson 6, questions and answers

 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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