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Environmental Science

Environmental Science
An example of nitrogen fixing bacteria in the soil

Nitrobacter
Rhizobium
Nostoc
Azotobacter

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Environmental Science
Many freshwater animals cannot live for long in sea water and vice versa mainly because of the

Osmotic problems
Spectral quality of solar radiation
Change in the levels of thermal tolerance
Variations in light intensity
Change in N levels

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Environmental Science
A human population is small, there is a greater chance of :

gene flow
natural selection
mutation
genetic drift

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Environmental Science
The term "Biocoenosis" was proposed by

Carl Mobius
None of these
Transley
Warming

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Environmental Science
The maximum in daytime surface temperature typically occurs _______ the earth receives its most intense solar radiation.

After
Exactly when
Long time
Before

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Environmental Science
Low level ozone is referred to as __________ ozone.

tropospheric
stratospheric
ionosperic
exospheric

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MORE MCQ ON Environmental Science

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