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Environmental Science

Environmental Science
The indoor pollutant radon which is a radioactive gas causes

anemia
hormone disorder
cardiac arrest
lung cancer

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Environmental Science
The ratio of the mass of water vapour in a given volume (parcel) of air to the mass of the remaining dry air describes the:

Dew point
Mixing ratio
Relative humidity
Absolute humidity

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Environmental Science
Where are the days and nights of equal length all year long?

At 23.5o
At the Equator
Nowhere
At 66.5o

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Environmental Science
All are particulate pollutants except

Smoke
Ozone
Soot
Dust

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Environmental Science
Study of inter-relationship between organisms and their environment is

Ethology
Phytogeography
Ecosystem
Ecology

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Environmental Science
Fine organic or inorganic particles suspended in air is called

particulate pollutant
none of these
aerosol
gaseous pollutant

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MORE MCQ ON Environmental Science

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