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Environmental Science

Environmental Science
The source of atmospheric oxygen is

Water
Nitrogen cycle
Carbon Cycle
Green Plants

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Environmental Science
If the absolute temperature of an object doubles, the maximum energy emitted goes up by a factor of:

32
2
16
4
8

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Environmental Science
BOD of a river water is found very high. This means water

contain many dissolved minerals
contain Algae
is highly polluted
is clear

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

Important
Significant
Crucial
Keystone

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Environmental Science
Frost typically forms on the inside of a windowpane (rather than the outside) because:

There is less water vapor touching the inside of the pane
None of these
The inside of the pane is colder than the outside
There is more water vapor touching the inside of the pane

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

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

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MORE MCQ ON Environmental Science

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