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Environmental Science

Environmental Science
Which of the following zones in a lake suffers from lack of light and therefore limited photosynthesis is able to take place?

Pelagic
Euphotic
Profundal
Littoral

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Environmental Science
Cigarette smoking exposes one to __________

Carbon monoxide
Carbon dioxide
Sulphur dioxide
Nitrogen peroxide

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Environmental Science
________ is the degradation of land in arid, semi-arid and dry sub-humid areas.

Vegetation
Land fertility
Desertification
Ecosystem

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Environmental Science
Abundant source of inonazite sands are found on the sea shores of

Tamil Nadu
West Bengal
Maharashtra
Kerala

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

Non-forestation
Bio forestation
Afforestation
Deforestation

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Environmental Science
A __________ is formed due to the collection of water in a natural basis or depression in a mountainous area or in plains.

Pond
Spring
Lake
Stream

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