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Environmental Science

Environmental Science
Which of the following rock types would most likely be the best oil reservoir?

Granite
Shale
Salt
Sandstone

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Environmental Science
Maximum deposition of DDT will occur in

sea gull
crab
eel
phytoplankton

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Environmental Science
The sun emits its greatest intensity of radiation in:

The ultraviolet portion of the spectrum
The x-ray portion of the spectrum
The infrared portion of the spectrum
The visible portion of the spectrum

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Environmental Science
_________ are used for converting saline or brackish water into pure distilled water.

Solar cookers
Solar water-heating
Solar desalination systems
Photo voltaic cells

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Environmental Science
In which year Silent Valley was declared as National Park?

1981
1982
1988
1984

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Environmental Science
Soap and detergents are the source of organic pollutants like:

Sulphonated hydrocarbons
Glycerol
Polyphosphates
All of these

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