1.
Which one of the
following is the correct food chain?
a.
Algae -> Daphnia -> Dragon Fly->Nymph
-» Newt -» Grass Snake
b.
Daphnia -» Dragon Fly
Nymph ->Newt -» Algae -> Grass Snake
c.
Grass Snake -> Newt
-» Dragon Fly Nymph Daphnia Algae
d.
Newt -» Grass Snake -»
Dragon Fly Nymph -» Algae ->
2.
The process of alleviation
indicates:
a.
Removal of particles
from the upper layer of soil
b.
Removal of particles
from lower layer of soil
c.
Deposition of soil particles in sub-soil layer
d.
Transportation of soil
particles in the B-horizon
3.
Which one of the
following is the cleanest source of energy?
a.
Hydropower
b.
Fossil fuel
c.
Nuclear power
d.
Wind energy
4.
The global warming
efficiency of a CFC molecule in relation to a CO-, molecule is higher by a
factor of:
a.
125
b.
25
c.
20,000
d.
1500
5.
Arsenic problem in
India is primarily due to:
a.
Overexploitation of
arsenopyrite in the hinterland
b.
Overexploitation of
coal in Bihar and Bengal
c.
Overexploitation of ground water in the
affected areas
d.
Overexploitation of
surface water in the affected areas
6.
Acid rain is caused
by:
a.
CO and CO2
b.
SO2 ,and O2
c.
SO2 and NO2
d.
NO2 and O2
7.
What will be the
outcome of Eutrophication of surface waters?
a.
Overproduction of biomass
b.
Decrease in nitrogen concentration
c.
Decrease in phosphorus
concentration
d.
Decrease in both
nitrogen and phosphorus concentrations.
8.
The least preferred
technique in the disposal of municipal solid waste is:
a.
Incineration
b.
Composting
c.
land filling
d.
bricketting
9.
Bacterial
decomposition of biological material under aerobic condition is:
a.
Fermentation
b.
Fertilization
c.
Contamination
d.
Composting
10. When you go for shopping, what are you
expected to do to save environment?
a.
Shop for products that have as little packaging
as possible.
b.
In any store, use a
bag even it is not needed.
c.
Do not reduce the
frequency of shopping.
d.
Buy paper towels and
napkins.\
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