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Environmental Science

Environmental Science
An example of nitrogen fixing bacteria in the soil

Azotobacter
Nostoc
Rhizobium
Nitrobacter

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Environmental Science
The undesirable change in physical, chemical or biological characteristics of air, land and water is referred as

Pollutants
Pollution
All of these
Ecodestructions

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Environmental Science
Which of the following group of gases cause photochemical smog?

O3, PAN and NO2
O2, PAN, and NO2
HC, NO and PAN
Ozone, PAN and CO

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Environmental Science
Lines connecting points of equal temperature are called:

Thermographs
Thermals
Isobars
Isotherms

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Environmental Science
Viable material of endangered species can be preserved by

Gene pool
Herbarium
Gene bank
Gene library

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Environmental Science
Which of the following ecological pyramid is always upright?

None of these
Pyramid of number
Pyramid of energy
Pyramid of biomass

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MORE MCQ ON Environmental Science

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