HPAS 2010 Prelims Question Paper – Q1
Carbon dioxide absorbs strongly in infrared region and its presence in atmosphere decreases the loss of heat from earth by radiations. This is called:
(A) Carbon dioxide burning
(B) Carbon dioxide recycling
(C) Carbon recycling
(D) Greenhouse effect
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Answer: D
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HPAS 2010 Prelims Question Paper – Q2
Freons cause great environmental damage. They are:
(A) Mixed carbon gases
(B) Mixed chlorofluorocarbons
(C) Mixed sulphur gases
(D) Free gases
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Answer: B
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HPAS 2010 Prelims Question Paper – Q6
The term Biomagnification refers to:
(A) raising of environmental issues by man
(B) growth of organism due to food consumption
(C) increase in population size
(D) increase in concentration of non-biodegradable pollutants
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Answer: D
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HPAS 2010 Prelims Question Paper – Q7
Which part of the world has a high density of organisms?
(A) Grasslands
(B) Savannah
(C) Deciduous forests
(D) Tropical rain forests
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Answer: D
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HPAS 2010 Prelims Question Paper – Q97
The definition of biosphere is:
(A) The earth and its atmosphere which is inhabited by living organisms
(B) All living organisms on earth
(C) All the plants on earth
(D) All the animals on earth
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Answer: A
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HPAS 2010 Prelims Question Paper – Q98
Rhododendron is the characteristic vegetation of:
(A) Tropical zone
(B) Alpine zone
(C) Mangrove belt
(D) Gangetic plane
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Answer: B
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HPAS 2010 Prelims Question Paper – Q99
Some reliable indicators of pollution are:
(A) Ferns and Cycas
(B) Algae and liverworts
(C) Lichens and mosses
(D) Neem tree and Eichhornia
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Answer: C
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HPAS 2010 Prelims Question Paper – Q100
Gas released during Bhopal gas tragedy was:
(A) Sodium isocyanate
(B) Ethyl isocyanate
(C) Potassium isocyanate
(D) Methyl isocyanate
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Answer: D
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