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Environmental Science

Environmental Science
A narrow valley with steep sides is known as

Gorge
Canyon
Landslide
Waterfall

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Environmental Science
In a volume of air near the earth's surface, ____ occupies 78 percent and ____ nearly 21 percent.

Hydrogen, helium
Oxygen, hydrogen
Nitrogen, oxygen
Hydrogen, oxygen
Nitrogen, water vapor

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Environmental Science
Ecotype is a type of species in which environmentally induced variations are

Temporary
None of these
Genetically not related
Genetically fixed

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Environmental Science
What is symbiosis?

Association between members of two species
Study of distribution of related species
None
Association between members of same species

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Environmental Science
Example of primary pollutant

hydrocarbons
CO
SO2
NO2

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Environmental Science
Which one of the following problems is not created by noise pollution?

Deafness
Diarrhoea
Hypertension
Irritation

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MORE MCQ ON Environmental Science

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