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Environmental Science

Environmental Science
World's most problematic aquatic weed is

eichornia
trapa
azolla
wolffia

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Environmental Science
Carbon dioxide is called greenhouse gas because it is

Transparent to sunlight but traps heat
Transparent to both sunlight and heat
Used in green-house to increase plant growth
Transparent to heat but traps sunlight

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Environmental Science
Where cold surface air replaces warm air, the boundary separating the different bodies of air is:

A warm front
A parallel of latitude
A cold front
A tornado

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Environmental Science
Radiation can cause

cardiac disease
bone marrow diseases
leukemia
Haemophilia

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Environmental Science
The earth's radiation is often referred to as ________radiation, while the sun's radiation is often referred to as _________radiation.

Longwave, shortwave
Shortwave, longwave
Shortwave, shortwave
Longwave, longwave

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Environmental Science
The practical problem in hydrogen production is its

weight
valency
atomicity
chemical property

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MORE MCQ ON Environmental Science

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