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

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Question # 1

Catalyst used in selective catalytic converter include.

Question # 2

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

Question # 3

NO2 in the atmopshere contributes to 

Question # 4

NO2 is the atmosphere contributes to

Question # 5

Major human soruce of CO2 increase in atmosphere is.

Question # 6

Water vapour in the atmosphre is imporatant because it

Question # 7

Which of the followig is not a green house gas.

Question # 8

Which layer of the atmosphere contains most of the Earth's weather phenomena.

Question # 9

Which range of AQI is considered hazardous.

Question # 10

Primary pollutants are

Question # 11

In the presence of sunlight and nitogen oxides VOCs can contribute to the formation of.

Question # 12

Which particulate matter is considred to be most harmful particulate matter

Question # 13

Wheather events occur in which layere of atmosphere.

Question # 14

Which statment about carbon dixoide is correct

Question # 15

Exprosure to hgh levels of ground level ozone casues.

Question # 16

Which of the following is a secondary pollutant.

Question # 17

Percentage of oxygen in atmosphere

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

Sr.# Question Answer
1 Which statemnt is true abotu stratospheric ozone and temperature.
A. More ozone in sgtratosphere cools it down 
B. Ozone absorbe UV and warms the stratosphere
C. ozone reflects infrared and makes it colder
D. Ozone has no effect on tremperture
2 Which smog type of associated with cold, stragnant air and coal combustion 
A. Industrial smog
B. Phtochemical smog
C. Ozone smog only
D. None of the above
3 Which of the followig is used in diesel engines to restrict emission of harmful gases.
A. Slective catalytic converter
B. Catalytic converter
C. Scrubbers
D. Diesel particulate filter
4 NO2 is the atmosphere contributes to
A. Acid rain formation and phtochemical smog
B. Ozone layer repair
C. Decreasing greenhous of effect only
D. Buildig of clouds only
5 Which statment about carbon dixoide is correct
A. CO2 is a greenhouse gas that absorbs infrared radiation 
B. CO2 destroys the ozine layer
C. CO2 is lighter than air and escapes to space
D. CO2 is the major componet of the atmosphere
6 Which of the following is carcinogenic.
A. Polycyclic aromatic hydrocarbons
B. Oxides of sulfur
C. Oxides of nitrogen
D. None of these
7 dichlorobiphenyl trichloroethane DDT is used as.
A. Fertilizer
B. Insecticide
C. Adhesive
D. Paint
8 Major sourceof NOx int he atmosphere is
A. Phtosynthesis
B. High temperature combustion in vehicles and power plants
C. Ocean evaporation 
D. Vocanic ash only
9 Water vapour in the atmosphre is imporatant because it
A. Is a greehouse gas and essntial for cloud formation 
B. Makes up most of the atmopshere's mass
C. Is chemcially inert and uniportant 
D. Absorbs all visible light
10 What is a common human activity that led to incrreased level of carbon monoxide in the atomosphere.
A. Tree planting
B. Gasoline driven vehicles
C. Using electric appliances
D. Solar panel installation 

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