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Environmental Science

Environmental Science
Which one of the following environmental pollutants has the problem of biomagnifications?

Hg fungicides
O3 and CO2
SO2
NO3

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Environmental Science
Organisms which depend on Producers for nutrition are called

Xerophytes
Consumers
Autotrophs
Saprophytes

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Environmental Science
Major cause of Ozone depletion is due to which chemical?

Dioxins
Rayon
ChloroFluoroCarbons
Polyphenols

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Environmental Science
The presence of high coliform counts in water indicates

hydrocrbon contamination
contamination by human wastes
decreased Biological Oxygen Demand
phosphorus contamination

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Environmental Science
The formation of __________ is the most characteristic feature in upper course of a river

waterfalls
canyons
gorges
landslide

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Environmental Science
More solar radiation is received at the:

North and south poles
Top of the atmosphere
Earth
None of these

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