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Environmental Science

Environmental Science
Example of primary pollutant

hydrocarbons
NO2
SO2
CO

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Environmental Science
World's most problematic aquatic weed is

wolffia
azolla
eichornia
trapa

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Environmental Science
Man made sources of radiation pollution are:

mining
nuclear fuels and preparation of radioactive isotopes
explosion of nuclear weapons
all of these

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Environmental Science
Energy flow in ecosystem is

Multidirectional
Unidirectional
Bidirectional
None of these

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Environmental Science
Ultraviolet radiation which is not lethal but harm to the organism is

0.28-0.32
0.32-0.4
0.4-0.5
0.1 to 0.28

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Environmental Science
Energy transformation through the food chain is

Inefficient
Regular
Proposed
Comfortable

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MORE MCQ ON Environmental Science

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