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Environmental Science

Environmental Science
Which one of the following environmental pollutants has the problem of biomagnifications?

O3 and CO2
NO3
SO2
Hg fungicides

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Environmental Science
The limitating factor in temperate and boreal forest is

Nutrients
Sunlight
Oxygen
Frost

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

is clear
is highly polluted
contain Algae
contain many dissolved minerals

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Environmental Science
Euro II standard refers to _________

Lowering carbon content in fuel
increasing carbon content in fuel
Lowering sulfur content in fuel
Increasing sulfur content in fuel

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Environmental Science
The famous Minamata disease in Japan is due to the accumulation of____________in fishes.

Lead
Mercury
Zinc
Cadmium

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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
Euphotic
Littoral
Pelagic

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