CS/B.Pharm/SEM-2/HU-202/2013
2013
ENVIRONMENT & ECOLOGY
Time Allotted : 3 Hours Full Marks : 70
The figures in the margin indicate full marks.
Candidates are required to give their answers in their own words
as far as practicable.
GROUP – A
( Multiple Choice Type Questions )
1. Choose the correct alternatives for the following : 10 × 1 = 10
i) Which one of the following is not normally a pollutant ?
a) Carbon monoxide b) Carbon dioxide
c) Hydrocarbons d) Sulphur dioxide.
ii) Contamination of water with sewage is indicated by
cysts of
a) Escherichia b) Escherichia coli
c) Pseudomonas d) Leishmania.
iii) Ultraviolet radiation from sunlight causes the reaction
that produces
a) fluorides b) ozone
c) carbon monoxide d) sulphur dioxide.
iv) DDT is a
a) greenhouse gas
b) degradable pollutant
c) non-degradable pollutant
d) none of these.
v) Decomposition of domestic wastes under natural
processes is called
a) thermal pollution
b) industrial pollution
c) biodegradable pollution
d) non-biodegradable pollution.