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Environmental Science

Environmental Science
BOD of a river water is found very high. This means water

contain Algae
is highly polluted
is clear
contain many dissolved minerals

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Environmental Science
The source of atmospheric oxygen is

Water
Nitrogen cycle
Green Plants
Carbon Cycle

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Environmental Science
Commonly used radioactive isotopes in scientific research

all of these
32 P
125 I
14 C

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Environmental Science
_____________ is the poisonous gas leaked during Bhopal gas tragedy

Teflon
Hydrogen Sulphide
MIC
PVC

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Environmental Science
Carbon monoxide is a pollutant because it

reacts with 02
inactivates nervous system A
reacts with haemoglobin
inhibits glycolysis

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Environmental Science
Basidiospores are considered to be a major source of

airborne allergens
bioweapon
water borne allergens
animal faeces

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MORE MCQ ON Environmental Science

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