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Environmental Science

Environmental Science
Which one of the following is not a primary pollutant?

Sulpuric acid
Nitrogen oxides
Particulate matter
Carbon monoxide

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Environmental Science
Decomposers are otherwise called as

Secondary consumers
Primary consumers
Organic matter
Detritivores

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

Profundal
Littoral
Euphotic
Pelagic

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Environmental Science
The formation of __________ is the most characteristic feature in upper course of a river

gorges
landslide
canyons
waterfalls

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

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

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Environmental Science
The Term Smog was introduced in 1905 by

Hult
Le Chatelier
Des Voeux
Canon

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