Explain “ Ozone layer “ and “Ozone Hole ”. 4 marks 2003

The ozone layer or ozone shield refers to a region of Earth’s stratosphere that absorbs most of the Sun’s ultraviolet

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Discuss the possibilities of non- Conventional energy in India. 6 marks 2007

India has a capacity to develop about 1,95,000 MW of non-conventional energy resource. India was the first country in the

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De- Forestation. 4 marks 2008

Deforestation, clearance or clearing is the removal of a forest or stand of trees where the land is thereafter converted

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Organic Agriculture. 4 marks 2008

Organic farming system in India is not new and is being followed from ancient time. It is a method of

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