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Environmental Science

Environmental Science
Extensive planting of trees to increase forest cover is called

Agroforestry
Social forestry
Deforestation
Afforestation

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Environmental Science
The name given to a liquid drop of dew that freezes when the air temperature drops below freezing is:

Frost
Black frost
Hoarfrost
Frozen dew
White frost

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Environmental Science
If all the water vapour in the atmosphere were to condense and fall to the ground, the globe would be covered with about ______ of water.

1 foot
1 meter
1 inch
1 millimeter

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Environmental Science
The pollution which does not persistent harm to life supporting system is

All of these
Noise pollution
Radiation pollution
Organochlorine pollution

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Environmental Science
Often before sunrise on a clear, calm, cold morning, ice (frost) can be seen on the tops of parked cars, even when the air temperature is above freezing. This condition happens because the tops of the cars are cooling by:

Latent heat
Radiation
Convection
Conduction

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Environmental Science
Upper layer of water in a single body of water is known as

Thermocline
Epilimnion
Hydroline
Hypolimnion

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MORE MCQ ON Environmental Science

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