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Environmental Science

Environmental Science
The darkening of the skin due to arsenic poisoning is called

Skin scaling
Diffuse melanosis
Black syndrome
None of these

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Environmental Science
Green revolution is associated with _________

silviculture
agriculture
sericulture
fish culture

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Environmental Science
The heating of earth's atmosphere due to trapped radiation is known as

Green House effect
Thermal effect
Global warming
Glass-House effect

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Environmental Science
Which of the following provides a measure of the average speed of air molecules?

Heat
Pressure
Density
Temperature

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Environmental Science
Trichodermaharzianum has proved a useful microorganism for

biological control of soil-borne plant pathogens
reclamation of wastelands
gene transfer in higher plants
bioremediation of contaminated soils

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Environmental Science
When both partners are affected negatively the nature of interaction is

commensalism
competition
predation
amensalism

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