BITSAT SERIES Chemistry
Atmospheric Pollution
12 previous year questions.
Volume: 12 Ques
Yield: Medium
High-Yield Trend
1
2021 2
2019 1
2018 1
2017 2
2015 1
2014 1
2013 2
2012 1
2011 Chapter Questions 12 MCQs
01
PYQ 2011
medium
chemistry ID: bitsat-2
Ozone depletion over Antarctica is due to the
1
formation of chlorine nitrate
2
formation of HCl
3
formation of and which are converted back into reactive atoms
4
None of the above
02
PYQ 2012
medium
chemistry ID: bitsat-2
Formation of ozone in the upper atmosphere from oxygen takes place by the action of:
1
Nitrogen oxides
2
Ultraviolet rays
3
Cosmic rays
4
Free radicals
03
PYQ 2012
easy
chemistry ID: bitsat-2
Formation of ozone in the upper atmosphere from oxygen takes place by the action of
1
Nitrogen oxides
2
Ultraviolet rays
3
Cosmic rays
4
Free radicals
04
PYQ 2013
medium
chemistry ID: bitsat-2
The greenhouse effect is because of the
1
presence of gases, which in general are strong infrared absorbers, in the atmosphere.
2
presence of only in the atmosphere.
3
presence of and in the atmosphere.
4
and chlorofluorohydrocarbons in the atmosphere.
05
PYQ 2014
medium
chemistry ID: bitsat-2
When rain is accompanied by a thunderstorm, the collected rain water will have a pH value:
1
Slightly lower than that of rain water without thunderstorm
2
Slightly higher than rain water without thunderstorm
3
Uninfluenced by occurrence of thunderstorm
4
Which depends upon the amount of dust in air
06
PYQ 2015
medium
chemistry ID: bitsat-2
Which of the following pollutants is the main product of automobile exhaust?
1
CO
2
CO
3
NO
4
Hydrocarbons
07
PYQ 2015
medium
chemistry ID: bitsat-2
The disease caused by high concentration of hydrocarbon pollutants in atmosphere is/are:
1
silicosis
2
TB
3
cancer
4
asthma
08
PYQ 2017
medium
chemistry ID: bitsat-2
Which of the following is not involved in the formation of photochemical smog?
1
Hydrocarbon
2
NO
3
SO₂
4
O₃
09
PYQ 2018
medium
chemistry ID: bitsat-2
Identify the incorrect statement from the following:
1
Ozone absorbs the intense ultraviolet radiation of the sun.
2
Depletion of ozone layer is because of its chemical reactions with chlorofluoroalkanes.
3
Ozone absorbs infrared radiation.
4
Oxides of nitrogen in the atmosphere are cause of depletion of ozone layer.
10
PYQ 2019
medium
chemistry ID: bitsat-2
Which of the following pollutants is the main product of automobile exhaust?
1
CO
2
CO₂
3
NO
4
Hydrocarbons
11
PYQ 2019
medium
chemistry ID: bitsat-2
The disease caused due to high concentration of hydrocarbon pollutants in the atmosphere is/are
1
silicosis
2
TB
3
cancer
4
asthma
12
PYQ 2021
medium
chemistry ID: bitsat-2
Which of the following is not involved in the formation of photochemical smog?
1
Hydrocarbon
2
NO
3
SO₂
4
O₃
About Atmospheric Pollution - BITSAT
Atmospheric Pollution is a vital chapter for BITSAT aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
Frequently Asked Questions
Why focus on Atmospheric Pollution PYQs?
Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Atmospheric Pollution carry the most weight. Then, tackle the questions iteratively to solidify your understanding.