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Environmental Science

Environmental Science
When human body is infected by infection __________ type of cells are activated to defend the body.

monocytes
erythrocytes
lymphocytes
leukocytes

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Environmental Science
Which sea is referred to as an oceanic desert?

Sargasso Sea
Sea of Japan
Arabian Sea
Red Sea

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Environmental Science
The green house gases, otherwise called radioactively active gases includes

All of these
Carbon dioxide
CH4
N2O

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Environmental Science
The time of day when the relative humidity reaches a maximum value is usually

At the time when the air temperature is highest
About midnight
In the middle of the afternoon
Just before sunrise
At the time when the air temperature is lowest

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Environmental Science
DDT is a ______________ pollutant

Non biodegradable
Naturally degradable
Biodegradable
Un-biodegradable

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Environmental Science
The area to which a species is biologically adapted to live is known as ________

Habitat
Niche
Community
Succession

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