Chapter 4 Pollutants And Their Effects On Environment Science 8th Class Punjab MCQ Tests
8th Class Science Chapter 4 MCQ Tests
Chapter 4 of 8th Class Science has 15 questions. If you take an online MCQ test, the system will randomly choose the questions. If you want to take the quiz by chapter then click the start test button.
Total Questions: 15
Total Marks: 15
Time: 15 Mins
Total Questions: 15
Total Marks: 15
Time: 15 Mins
15Min : 00 Sec Remaining
Question # 1
Clean rain water has a pH value between 5 to 6, which makes it slightly _____.
Question # 2
How does organic material in the buried solid waste will decompose?
Question # 3
Which layer of the atmosphere contains greenhouse gases?
Question # 4
Why burning waste is not an acceptable practice of solid waste management?
Question # 5
Which of the following is NOT a greenhouse gas?
Question # 6
Carbon monoxide is _____ than air.
Question # 7
Which one is asphyxiating pollution?
Question # 8
Which of the following are effected because of deforestation?
Question # 9
Which process improves efficiency of solid waste management?
Question # 10
Carbon monoxide is a pollutant because it _____.
Question # 11
Acid Rain is caused by emissions of:
Question # 12
Following are the ways of saving our surrounding except:
Question # 13
Eco-friendly products help preserve the environment by significantly reducing the _______ .
Question # 14
What is deforestation?
Question # 15
A nontoxic or minimally toxic gas, which reduces or displaces the normal oxygen concentration in breathing air, is known as _____.
Total Questions
123456789101112131415
Question # 1
Clean rain water has a pH value between 5 to 6, which makes it slightly _____.
Question # 2
How does organic material in the buried solid waste will decompose?
Question # 3
Which layer of the atmosphere contains greenhouse gases?
Question # 4
Why burning waste is not an acceptable practice of solid waste management?
Question # 5
Which of the following is NOT a greenhouse gas?
Question # 6
Carbon monoxide is _____ than air.
Question # 7
Which one is asphyxiating pollution?
Question # 8
Which of the following are effected because of deforestation?
Question # 9
Which process improves efficiency of solid waste management?
Question # 10
Carbon monoxide is a pollutant because it _____.
Question # 11
Acid Rain is caused by emissions of:
Question # 12
Following are the ways of saving our surrounding except:
Question # 13
Eco-friendly products help preserve the environment by significantly reducing the _______ .
Question # 14
What is deforestation?
Question # 15
A nontoxic or minimally toxic gas, which reduces or displaces the normal oxygen concentration in breathing air, is known as _____.
Total Questions
123456789101112131415
Science MCQ Test by Topics
- +4.0 Introduction to Chapter 4
- +4.1 Air Pollutants and Their Sources
- +4.1.1 Properties of Air Pollutants and Their Effects on Human Organ System
- +4.2 Effects of Human Activities on Environment
- +4.2.1 Greenhouse Effect
- +4.2.2 Ozone Depletion
- +4.2.3 Global Warming
- +4.2.4 Acid Rain
- +4.2.5 Deforestation
- +4.2.6 Lack of Natural Resources
- +4.3 Conservation of Resources
- +4.4 Saving the Earth
- +4.4.1 Solid Waste Management
- +4.4.2 Environmental campaigns
- +4.4.3 Responsibility for All
Science
8th Class Punjab MCQ Tests
8th Class Online Classes 2026
Updated on: 21-05-2026
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8th Class 2026 Online
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