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Free download PDF of Environmental Science questions and answers in multiple choice type(mcqs) for SSC CGL, Data Entry Operator, Postal Assistant, UPSC, Railway Exams. These previous years general awareness quiz objective questions answers for competitive exam are very important for prelims and mains exams.
(11)
Which of the following diseases usually spreads through air?
[A]
Plague
[B]
Typhoid
[C]
Cholera
[D]
Tuberculosis
Comment
(12)
The noble gas used for the treatment of cancer is
[A]
Radon
[B]
Krypton
[C]
Argon
[D]
Helium
Comment
(13)
The best method of disposal of garbage is
[A]
Burning
[B]
Land filling
[C]
Incineration
[D]
Vermiculture
Comment
(14)
Which of the following processes does not increase the amount of carbon dioxide in air?
[A]
Breathing
[B]
Burning of petrol
[C]
Photosynthesis
[D]
Aerobic decay of vegetation
Comment
(15)
Greater population can be supported on the earth only if we eat more
[A]
eggs
[B]
mutton
[C]
beef
[D]
plant products
Comment
(16)
Which of the following is biodegradable?
[A]
Paper
[B]
D.D.T.
[C]
Plastic
[D]
Aluminium
Comment
(17)
Which of the following does not cause pollution?
[A]
Burning of petrol
[B]
Use of solar energy
[C]
Burning of rubber
[D]
All of the above
Comment
(18)
Environmental pollution can be controlled by:
[A]
Checking atomic blasts
[B]
Manufacturing electric vehicles
[C]
Sewage treatment
[D]
All of the above
Comment
(19)
Which of the following item is not included in Environmental Auditing?
[A]
Pollution monitoring schemes
[B]
Storage of toxic chemicals
[C]
Scrutiny by the government agencies
[D]
Safety provisions for industrial works
Comment
(20)
Biodegradable wastes can usefully be converted into useful substances with the help of:
[A]
bacteria
[B]
viruses
[C]
nuclear proteins
[D]
radio-active substances
Comment
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