11th Class Chemistry Chapter 14 MCQ Test with Answer

Prepare for your exams with this 11th Class Chemistry Chapter 14 MCQ Test. It covers all key concepts and important questions from the chapter. Each question provides an instant answer, helping students evaluate their knowledge immediately. This test is designed to strengthen your understanding, improve problem-solving skills, and identify weak areas before exams. Perfect for self-study or online practice, it saves time and makes revision more effective. Using this Chapter 14 Chemistry MCQ Test, students can gain confidence, revise efficiently, and ensure better performance in their 11th Class Chemistry exams.

MCQ's Test For Chapter 14 "Atmosphere"

Try The MCQ's Test For Chapter 14 "Atmosphere"

  • Total Questions17

  • Time Allowed20

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Atmosphere

00:00
Question # 1

Major source of NOx in the atmosphere is.

Question # 2

Which of the following is carcinogenic.

Question # 3

Chlorofluorocarbons have been primarily used in.

Question # 4

For an air quality index termed hazardous the colour.

Question # 5

Which of the following causes ozone depletion 

Question # 6

Wheather events occur in which layere of atmosphere.

Question # 7

Which of the followng is a trace gas but important for green house effect.

Question # 8

Low altitude ozoe is toxic above which concentration 

Question # 9

Which statement about carbon dixoide is correct

Question # 10

Temperature increases with altitude in whihc of the followig layers.

Question # 11

Which substance was primarily responsible for stratosphereic ozone depletion .

Question # 12

Which statemnt is true abotu stratospheric ozone and temperature.

Question # 13

Which gas is the most important long lived anthropognic greenhouse gas by concentration 

Question # 14

Green house gases cause global warming by 

Question # 15

Which of the followig is not a green house gas.

Question # 16

Which of the following is a natural factor that can improe air quality.

Question # 17

What is a common human activity that led to incrreased level of carbon monoxide in the atomosphere.

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FSc Part 1 Chemistry (New Book) Chapter 14 Important MCQ's

Sr.# Question Answer
1 Ground level ozone is mainly formed from.
A. Direct emission from factories
B. Photochemicla reactions of NOx and VOC's in snlight
C. Evaporation of water
D. Chlorofluorocarbons only
2 Phtochemcial smog is characterized by high daytime concentrations  of.
A. Pure oxygen
B. Carbonic acid
C. Ground level ozone and peroxyacyl nitrates 
D. Nigrogen gas only
3 The depletion of Ozone in stratosphere region is mainly due to the reactionof O3 with
A. CO2
B. SO2
C. CFSs
D. O2
4 Carbon monoxide is dangerous because it
A. Is highly flammable only
B. Reacts to prdocuce ozone directly
C. Binds with haemoglobin preventing oxygen transport
D. Is intert and hamless
5 Which of the following is carcinogenic.
A. Polycyclic aromatic hydrocarbons
B. Oxides of sulfur
C. Oxides of nitrogen
D. None of these
6 Which of the followig is not a green house gas.
A. O2
B. CO2
C. CH4
D. SF6
7 Which of the following causes ozone depletion 
A. Oxides of nitrogen
B. Oxides of sulfur
C. Hydrocarbons
D. None of these
8 Wheather events occur in which layere of atmosphere.
A. Mesosphere
B. Theremosphere
C. Troposhphere
D. Stratosphere
9 Primary pollutants like nitrogen oxide and volatile organic compounds react in the presence of sunligh to form a key componetn ofphotochecial smong. which is a.
A. Primary pollutant
B. Secondary Pollutant
C. Natrually occuring atmospheric gas
D. Harmless byproduct o combustion 
10 Which gas is the most important long lived anthropognic greenhouse gas by concentration 
A. Water vapour
B. Nitrogen
C. Oxygen
D. Carbon dioxide

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