41. The State Government shall take measures for abatement of noise.
a) True
b) False
42. One of the efficient ways to control aircraft noise is
a) Building aircrafts with old technologies
b) Maximize the passengers to 100
c) Increase the amount of pressure it can withstand
d) Constructing aerodromes far away from the residential areas
43. What is the db level for heavy vehicles in India?
a) 70
b) 75
c) 77
d) 80
44. Loud speakers cause noise.
a) True
b) False
45. Which of the following chemical is responsible for acute lung disease from Bhopal gas tragedy?
a) Methylisocyanate
b) Methylisocyanade
c) Methyl
d) Methylcyanate
46. Heavy metals like Arsenic, Cadmium and Cyanide effects _________
a) Immune system
b) Nervous system
c) Skin
d) Respiratory system
47. DDT and Aluminium cans are examples of ________.
(a) Primary Pollutants
(b) Secondary pollutants
(c) Biodegradable Pollutants
(d) Non-Biodegradable Pollutants
48. The Taj Mahal is being affected by
a. Noise pollution
b. Air pollution
c. Water pollution
d. None of these
49. The unfavorable alteration of environment due to human activity is termed as
(a) Ecological disturbance
(b) catastrophe
(c) Ecological degradation
(d) Pollution
50. Write full form of DDT
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