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Environmental Science

Environmental Science
Water used for paper mills should not contain

iron
chlorine
sodium
magnesium

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Environmental Science
_______ is a cold desert in India.

Ran of Kutch
Thar
Ladakh
Bhopal

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Environmental Science
Sea water is

alkaline
neutral
hypotonic
acidic

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Environmental Science
Which of the following determine the kind (wavelength) and amount of radiation that an object emits?

Density
Thermal conductivity
Temperature
Latent heat

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Environmental Science
A river with high BOD value is

highly polluted
highly productive
none of these
highly clean

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Environmental Science
The crucial species that determine the ability of large number of other species is termed as _________ species.

Crucial
Significant
Keystone
Important

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