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Rock Garden in Chandigarh is an example of utilisation of non-biodegradable waste materials in a constructive way. Mithun has just visited this garden. He was amazed to see the innovative ideas put into action by Nek Chand, the mastermind behind this garden. Mithun has now decided to use discarded objects to make decorative and utility items at home.

Where is the Rock Garden located and who founded it?

Important Questions on Garbage in, Garbage out

EASY
Science>Biology>Garbage in, Garbage out>Think and Throw
The following very short answer type question of 2 marks may be answered in a few words or few sentences or as may be required:
Why is better to 'Re-use' the things?
MEDIUM
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An environmentalist on a visit to your school suggested various methods to save the environment.
a) What does the term ‘Reduce’ refer to?
b) List any two advantages of water harvesting.
MEDIUM
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Explain with three points how recycling waste materials help in maintaining ecological balance.
EASY
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Everyone of us can do something to reduce our consumption of various natural resources. List any two such activities based on the 3-R approach. 
MEDIUM
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Name the group of bacteria, found in human intestines, whose presence in water indicates contamination by diseases causing microorganisms?
MEDIUM
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Mention any three adverse effects of fishing with chemicals.
EASY
Science>Biology>Garbage in, Garbage out>Think and Throw
Which radiation coming from the sun, is prevented by the Ozone layer from falling on the earth’s surface?
EASY
Science>Biology>Garbage in, Garbage out>Think and Throw
The presence of following kind of bacteria in water indicates contamination by disease causing micro-organisms
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Science>Biology>Garbage in, Garbage out>Think and Throw
To save the environment you have come across the words ''Reuse'' and ''Recycle''. What do they refer to?
MEDIUM
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One student makes a kaleidoscope using pieces of coloured glass. Which 'R' he has used to protect the environment? 
MEDIUM
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 “A lot of indiscriminate activities of humans pollute the environment”- Support the statement by giving three examples in favour of it. Give examples of a national park and a biosphere reserve in West Bengal.
HARD
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What is the importance of reduce, recycle and reuse to save the environment? What changes can you make in your habits to become more environment-friendly?
EASY
Science>Biology>Garbage in, Garbage out>Think and Throw
The three R’s to save the environment are
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What do you mean by the three R's to save the environment? Write in brief.

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Use of solar energy operated devices instead of LPG for preparation of food is an example of:
EASY
Science>Biology>Garbage in, Garbage out>Think and Throw

How will you reuse the waste water in your houses?

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Give the biological reasons for the following statement:

Water pollution is a major cause of concern in our country.

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Science>Biology>Garbage in, Garbage out>Think and Throw
Pollution is harmful for all living beings. Give three reasons to support the statement.
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Science>Biology>Garbage in, Garbage out>Think and Throw
Is garbage disposal the responsibility only of the government?
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Science>Biology>Garbage in, Garbage out>Think and Throw
How do plastic bags thrown by human beings affect animals?