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Environmental Science

Environmental Science
In the Northern Hemisphere, this day has the fewest hours of daylight:

Autumnal equinox
Vernal equinox
Winter solstice
Summer solstice

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Environmental Science
Which of the following is not a green house gas?

Carbon dioxide
Methane
SF6
Ozone

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Environmental Science
_________ is an important factor that aggravates the effect of drought.

Deforestation
Floods
Soil Erosion
Acid Rain

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Environmental Science
The sun emits a maximum amount of radiation at wavelengths near ____, while the earth emits maximum radiation near wavelengths of ____.

1 micrometer, 10 micrometers
0.5 micrometers, 10 micrometers
10 micrometers, 30 micrometers
0.5 micrometers, 30 micrometers

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Environmental Science
A high Biological Oxygen Demand (BOD) indicates that:

absence of microbial action
water is pure
High level of microbial pollution
Low level of microbial pollution

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Environmental Science
In a population, unrestricted reproductive capacity is called as

birth rate
biotic potential
fertility rate
carrying capacity

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MORE MCQ ON Environmental Science

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