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Environmental Science

Environmental Science
The atmospheric layer in which we live is called the:

Stratosphere
Exosphere
Thermosphere
Ionosphere
Troposphere

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Environmental Science
Lotic ecosystem refers to

Static water system
Ecosystem of estuaries
Deep marine water system
Ecosystem of flowing water

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Environmental Science
Which of the following enhances soil fertility?

Using new seed varieties
Irrigation
Crop rotation
Improved methods of agriculture

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

lymphocytes
erythrocytes
monocytes
leukocytes

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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 meter
1 millimeter
1 foot
1 inch

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Environmental Science
A great deal of indoor air pollution comes from

carpets and furniture
sludge
carbon monoxide
cooking

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MORE MCQ ON Environmental Science

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