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Air pollution

23 PYQ across 5 exams · 1979–2023 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

CSE 1979 → CDS 2014 → … → LDCE 2023
19791 PYQ
CSEQ32
The most common substance responsible for pollution is…
19841 PYQ
CSEQ20
Taj Mahal is reported to be in danger because of…
19941 PYQ
CSEQ23
In recent years, there has been some concern over the threat posed by the Mathura Oil Refinery and the thermal power plants to the Taj Mahal…
19951 PYQ
CSEQ17
Which one of the following fuels causes minimum environmental pollution?…
20101 PYQ
CSEQ45
Excessive release of the pollutant carbon monoxide (CO) into the air may produce a condition in which oxygen supply in the human body decrea…
20132 PYQs
CSEQ30
Acid rain is caused by the pollution of environment by…
CSEQ49
Photochemical smog is a resultant of the reaction among…
20143 PYQs
CAPFQ109
Arrange the following fuels in the decreasing order of air pollution caused by burning a kilogram of each of them :…
CDSQ91
Nitric oxide pollution can lead to all of the following, except…
CSEQ24
Which of the following are some important pollutants released by steel industry in India? 1. Oxides of sulphur 2. Oxides of nitrogen 3. Carb…
20152 PYQs
CDSQ26
Which of the following is not gaseous air pollutant?…
CDSQ23
Match List I with List II and select the correct answer using the code given below the Lists : List I (Air Pollutant) A. Chlorofluorocarbon …
20161 PYQ
CDSQ5
Which one of the following air pollutants combines with the haemoglobin of human blood and reduces its oxygen-carrying capacity, leading to …
20171 PYQ
CAPFQ107
Which one of the following statements about air pollution caused by diesel engines is correct?…
20192 PYQs
CAPFQ122
The National Clean Air Programme (NCAP) aims to reduce particulate matter (PM) in at least 102 cities of India by 20% – 30% by 2024. The bas…
CSEQ35
Consider the following : 1. Carbon monoxide 2. Methane 3. Ozone 4. Sulphur dioxide Which of the above are released into atmosphere due to th…
20202 PYQs
CAPFQ12
Which one of the following is NOT a component of photochemical smog?…
CSEQ79
Consider the following statements : 1. Coal ash contains arsenic, lead and mercury. 2. Coal-fired power plants release sulphur dioxide and o…
20211 PYQ
CSEQ18
With reference to furnace oil, consider the following statements : 1. It is a product of oil refineries. 2. Some industries use it to genera…
20223 PYQs
CDSQ27
Which one of the following is the main reason of acid rains ?…
CSEQ100
Consider the following: 1. Carbon monoxide 2. Nitrogen oxide 3. Ozone 4. Sulphur dioxide Excess of which of the above in the environment is/…
GEOQ38
Which of the following major parameters are considered while deriving the Air Quality Index (AQI) of an area in India?…
20231 PYQ
LDCEQ58
As per the 'Air Quality Life Index (AQLI)' Annual Update 2023', poor air quality decreases the average Indian's life expectancy by…
Related concepts — explore their timelines too
Acid rainPhotochemical smogAir Quality IndexTaj Mahal
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