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Environmental Science

Environmental Science
"Smog" is a mixture of

Snow and Dust
Smoke and Fog
Snow and Fog
Sulphur Dioxide and Fog

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

is highly polluted
contain many dissolved minerals
is clear
contain Algae

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Environmental Science
Abyssal zone in ocean has

sunlight and decomposers
no sunlight but contain producers
sunlight and producers
no sunlight but contains decomposers and consumers

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Environmental Science
The average temperature of the earth is about __________ degree F.

65
67
59
57

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Environmental Science
Commonly used radioactive isotopes in scientific research

14 C
125 I
all of these
32 P

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Environmental Science
Particulate pollutants are

all of these
are small solid particles released into the atmosphere
liquid droplets in atmosphere
are small solid particles and liquid droplets

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MORE MCQ ON Environmental Science

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