Q101. Assertion (A): During winter, air pollution in Delhi reaches to the maximum level. Reason (R): Combustion process in motor vehicles increases during winter.
A Both (A) and (R) are true and (R) is the correct explanation of
B Both (A) and (R) are true, but (R) is not the correct explanation of (A)
C (A) is true, but (R) is false
D (A) is false, but (R) is true
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Correct answer: (A) is true, but (R) is false
Q102. There is a concern over the increase in harmful algal blooms in the sea-waters of India. What could be the causative factors for this phenomenon? 1. Discharge of nutrients from the estuaries. 2. Run-off from the land during the monsoon. 3. Upwelling in the seas. Select the correct answer using the code given below.
A Only 1
B 1 and 2
C 2 and 3
D 1, 2 and 3
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Correct answer: 1, 2 and 3
Q103. Which megacity of India generates the largest soild waste per capita annually?
A Bangalore
B Chennai
C Delhi
D Mumbai
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Correct answer: Delhi
Q104. Carbon monoxide, emitted by vehicles which turn to carbon dioxide by the catalyst converter, whose ceramic disc is controlled by
A Silver
B Gold
C Copper
D Palladium
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Correct answer: Palladium
Q105. Euro Norms place limits on the amount of an emission of gas in automobiles. The gas is
A Carbon dioxide
B Carbon monoxide
C Nitrogen
D Methane
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Correct answer: Carbon monoxide
Q106. To meet Euro-II emission standards, what should be the sulphur content in the ultra low sulphur diesel?
A 0.05 % or less than this
B 0.10 %
C 0.15 %
D 0.20 %
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Correct answer: 0.05 % or less than this
Q107. Euro emission norms are emission standards and these represent a package setting limits for emission from a vehicle. Which of the following gases is covered under this?
A Carbon monoxide
B Hydrocarbons
C Lead
D All of the above
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Correct answer: All of the above
Q108. ‘Knock-Knee syndrome’ is caused by the pollution of
A Mercury
B Lead
C Arsenic
D Fluoride
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Correct answer: Fluoride
Q109. The headquarter of International Maritime Organization is located in
A London
B Geneva
C Paris
D Rome
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Correct answer: London
Q110. Recently, ‘oil zapper’ was in the news. What is it?
A It is an eco-friendly technology for the remediation of oily sludge and oil spills
B It is the latest technology developed for undersea oil exploration
C It is genetically engineered high bio-fuel-yielding Maize variety
D It is the latest technology to control the accidentally caused flames from oil wells
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Correct answer: It is an eco-friendly technology for the remediation of oily sludge and oil spills
Q111. Which one of the following is not an instrumental device to check air pollution?
A Bag Filter
B Cyclone Collector
C Cyclone Separator
D Cyclone Divider
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Correct answer: Cyclone Divider
Q112. Improper handling and storage of cereal grains and oilseeds result in the production of toxins known as Aflatoxins which are not destroyed by the normal cooking process? Aflatoxins are produced by
A Bacteria
B Protozoa
C Molds
D Viruses
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Correct answer: Molds
Q113. The International Acid Rain Information Centre has been set up at
A Berlin
B Oslo
C Osaka
D Manchester
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Correct answer: Oslo
Q114. The most important indoor air pollutant is
A Sulphur dioxide
B Carbon dioxide
C Nitrogen dioxide
D Radon gas
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Correct answer: Radon gas
Q115. Asian Brown Cloud, 2002 was mainly spread over
A East Asia
B South-East Asia
C South Asia
D West Asia
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Correct answer: South Asia
Q116. Which one of the following countries receive the most acid rain?
A China
B Japan
C Norway
D USA
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Correct answer: Norway
Q117. Cigarette smoke contains
A Carbon monoxide dioxycine
B Carbon monoxide and nicotine
C Carbon monoxide and benzene
D Dioxycine and benzene
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Correct answer: Carbon monoxide and benzene
Q118. Which one of the following is used to clean polluted environment?
A Oxygen
B Rain
C Nitrogen
D Air
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Correct answer: Rain
Q119. Which of the following is used as an adulterant of a mustard seed?
A Argimon seed
B Papaya seed
C Cumin seed
D Coriander seed
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Correct answer: Argimon seed
Q120. Which of the following rivers is called ‘biological desert’ on account of its pollutants?
A Yamuna
B Periyar
C Damodar
D Mahanadi
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Correct answer: Damodar