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Environmental Science

Environmental Science
Organisms which are predominantly found living on, in or near bed sediments of rivers or lakes are known as

nektonic
neuston
planktonic
benthic

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Environmental Science
The relationship between nitrogen fixing bacteria and leguminous plants is an example for

Commensalism
Predation
Mutualism
Parasitism

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Environmental Science
In the stratosphere, the air temperature normally:

Cannot be measured
Decreases with increasing height
Both increases and decreases depending on the season
Increases with increasing height

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Environmental Science
At what time during a 24-hour day would a radiation temperature inversion best be developed?

Between 2 and 5 pm when the air temperature reaches a maximum
At sunset
Near sunrise
Toward the end of the morning

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Environmental Science
CFC releases a chemical which is harmful to ozone is

fluorine
N2O
SO2
chlorine

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Environmental Science
This is used as a guide to planting and for determining the approximate date for harvesting crops:

Growing degree-days
Mean annual temperature
Cooling degree-days
Heating degree-days

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MORE MCQ ON Environmental Science

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