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

Chlorofluorocarbons have been primarily used in.

Question # 2

Which statemnt is true abotu stratospheric ozone and temperature.

Question # 3

Carbon monoxide is dangreous because it

Question # 4

For an air quality index termed hazardous the colour.

Question # 5

Temperature increases with altitude in whihc of the followig layers.

Question # 6

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

Question # 7

Which particulate matter is considred to be most harmful particulate matter

Question # 8

Incomplege comubstion of carbon based fuels tends to form.

Question # 9

Catalyst used in selective catalytic converter include.

Question # 10

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

Question # 11

Carbon monoxide is dangerous because it

Question # 12

How forests contribute to lowering the temperatue of earth.

Question # 13

Which substance was primarily responsible for stratosphereic ozone depletion .

Question # 14

NO2 in the atmopshere contributes to 

Question # 15

Which statement about carbon dixoide is correct

Question # 16

Green house gases cause global warming by 

Question # 17

Which of the following is a secondary pollutant.

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

Sr.# Question Answer
1 Which substance was primarily responsible for stratosphereic ozone depletion .
A. CFCs
B. Carbon dixoide
C. Methane
D. Ozone itself
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 Major human soruces of CO2 increase in atmosphere is
A. Fossil fuel combuston and deforestation
B. Phtosyntheiss
C. Ocean uptake
D. Nirogen fixation
4 Exprosure to hgh levels of ground level ozone casues.
A. Improved atheletic performance
B.

Respiratory irritation and reduced lung function 

C. Instant immuity to infections
D. Strengthening of materials
5 Which particulate matter size is considered the most harmful to human health.
A. PM 2.5
B. PM 10.0
C. PM 5.0
D. PM 1.0
6 Which of the following is an environmental effect of acid rain.
A. Damage to forests and equatic life due to lowered pH
B. Increased pH of lakes 
C. Building of mountain ranges
D. Improved soi fertity everywhere
7 Which of the following is carcinogenic.
A. Polycyclic aromatic hydrocarbons
B. Oxides of sulfur
C. Oxides of nitrogen
D. None of these
8 Major source of NOx in the atmosphere is.
A. Photosynthesis
B. High temperatur ecombustion in vehicles and power plants
C. Ocean evaporation 
D. Volcanic ash only
9 Ash from volcanic eruption is 
A. Primary Pollutant
B. Secondary pollutant
C. Tertiary pollutant
D. None of these
10 How forests contribute to lowering the temperatue of earth.
A. Forests cool themselves
B. Forests absorb greenhouse gases
C. Forests do most effect temperatut of earth
D. Forests help wild life

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