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Environmental Science

Environmental Science
Major cause of Ozone depletion is due to which chemical?

Polyphenols
ChloroFluoroCarbons
Dioxins
Rayon

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Environmental Science
The most important human activity, leading to the extinction of wildlife, is

Pollution of wildlife, is
Alternation and destruction of the natural habitats
Hunting for valuable wildlife products
Introduction of alien species

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Environmental Science
Mullaperiyar dam is in the district?

Pathanamthitta
Idukki
Thrissur
Alappuzha

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Environmental Science
The book silent spring was written by

Anil Agarwal
Rachel Carson
E.O.Wilson
Madhav Gadgil

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Environmental Science
The destruction of the forest areas by man made efforts is called

Bio forestation
Non-forestation
Afforestation
Deforestation

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Environmental Science
Environmental Protection Act was introduced in the year

1988
1972
1989
1986

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