Question : Which of the following primarily causes Mercury Pollution?
Option 1: CFL Lamp
Option 2: Automobile Battery
Option 3: Polymer
Option 4: Diesel Engine
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Correct Answer: CFL Lamp
Solution : The correct option is the CFL Lamp
Mercury contamination is caused by compact fluorescent lights (CFLs). Within the glass tube of a CFL, mercury vapour is used to generate ultraviolet light, which excites the phosphor coating inside the tube to produce visible light. Broken CFLs can emit mercury vapour if not disposed of, contributing to localized indoor pollution.
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Question : Who among the following invented the diesel engine?
Option 1: Elisha Otis
Option 2: Rudolf Diesel
Option 3: Larry Page
Option 4: Rene Laennec
Question : The major harmful gas emitted by automobile vehicle which causes air pollution is
Option 1: Carbon monoxide
Option 2: Methane
Option 3: Carbon dioxide
Option 4: Ozone gas
Question : Which of the following machines was designed by Charles Babbage?
Option 1: Analytical Engine
Option 2: Arithmetic Engine
Option 3: Tabulating Machine
Option 4: Punched card
Question : Which of the following planets has the shortest rotation period?
Option 1: Mercury
Option 2: Jupiter
Option 3: Mars
Option 4: Venus
Question : The deficiency of which of the following vitamins causes Pellagra?
Option 1: B1
Option 2: B5
Option 3: B3
Option 4: B2
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