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CBSE Notes 2011-2012 » X-Science-Term2

Our Environment

Ultraviolet radiation from sunlight causes a reaction which produces

Multiple choice question

Ultraviolet radiation from sunlight causes a reaction which
produces

In a food chain, the third trophic level is always occupicd by

Multiple choice question

In a food chain, the third trophic level is always occupicd by

Which rays strike on earth due to depletion of ozone layer ?

Multiple choice question

Which rays strike on earth due to depletion of ozone
layer ?

What is the environmentally friendly way to dispose of used tires ?

Multiple choice question

What is the environmentally friendly way to dispose of
used tires ?

Burning of waste substances usually at high temperature of over 1000

Multiple choice question

Burning of waste substances usually at high temperature
of over 1000

Nowadays, which type of cups are being generally used in trains for serving tea, coffee, soup, etc. ...

Multiple choice question

Nowadays, which type of cups are being generally used in
trains for serving tea, coffee, soup, etc. on daily basis ?

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