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

How forests contribute to lowering the temperatue of earth.

Question # 2

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

Question # 3

Which of the followign lowers the air quality.

Question # 4

The good ozone that protects life form UV radiation is located in the.

Question # 5

Incomplete combustion of carbon based fuels tends to form.

Question # 6

Which of the following limits emission of particulate matter in air.

Question # 7

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

Question # 8

Low altitude ozoe is toxic above which concentration 

Question # 9

Which particulate matter size is considered the most harmful to human health.

Question # 10

Which of the followig is not a green house gas.

Question # 11

Ground level ozone is mainly formed from.

Question # 12

Which of the following is a heavy metal

Question # 13

Carbon monoxide is dangreous because it

Question # 14

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

Question # 15

For an air quality index termed hazardous the colour.

Question # 16

Major sourceof NOx int he atmosphere is

Question # 17

How do NOx emissions effect huma health primarily.

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

Sr.# Question Answer
1 What are teh primary chemical processes that emoves carbon dioxide from the atmosphere.
A. Photosynthesis
B. Caombusion 
C. Respiration
D. Volcanic activity
2 Which gas is the most important long lived anthropognic greenhouse gas by concentration 
A. Water vapour
B. Nitrogen
C. Oxygen
D. Carbon dioxide
3 Which of the following is a heavy metal
A. Cadmium
B. Lead
C. Mercury
D. All of these
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 gas causes yellow color in photochemical smong.
A. NO2
B. CO
C. SO3
D. SO2
6 Temperature increases with altitude in whihc of the followig layers.
A. Trospohere only
B. Stratosphere only
C. Mesosphere only
D. Troposphere and Mesosphere
7 An AQI value between 51 and 100 typically indicates which leel of air quality.
A. Good
B. Unhealthy
C. Moderate
D. Fatal
8 Which is NOT considered a greenhouse gas.
A. Nitrogen gas
B. Methane
C. Ozone 
D. Carbon dioxide
9 Wheather events occur in which layere of atmosphere.
A. Mesosphere
B. Theremosphere
C. Troposhphere
D. Stratosphere
10 In the presence of sunlight and nitogen oxides VOCs can contribute to the formation of.
A. Acid rain
B. Ozone depletion 
C. Photochemical smog
D. Greenhouse gases

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