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Environmental Science

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

1981
1984
1982
1988

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Environmental Science
Autecology deals with

Ecology of species
Ecology of many species
Ecology of community
All listed here

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Environmental Science
In pond ecosystem, the pyramid of biomass is

inverted
upright
spindle shaped
none of these

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Environmental Science
The range of normal human hearing is in the range of

50 Hz to 80 Hz
15000 Hz and above
10 Hz to 80 Hz
50Hz to 15000 Hz

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Environmental Science
Carbon dioxide is called greenhouse gas because it is

Transparent to sunlight but traps heat
Used in green-house to increase plant growth
Transparent to heat but traps sunlight
Transparent to both sunlight and heat

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Environmental Science
The name given to a liquid drop of dew that freezes when the air temperature drops below freezing is:

White frost
Hoarfrost
Frozen dew
Black frost
Frost

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MORE MCQ ON Environmental Science

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