Welcome to the Environmental Pollution and Control MCQs with Answers. In this post, we are sharing Environmental Pollution and Control Multiple Choice Questions and Answers in Everyday Science section for various competitive exams in Pakistan. Each question offers a chance to enhance your knowledge regarding Environmental Pollution and Control online MCQs Test.
Which of the following is the main cause of air pollution in urban areas?
A) Vehicle emissions
B) Deforestation
C) Agricultural runoff
D) Ocean dumping
Which gas is primarily responsible for the greenhouse effect?
A) Carbon dioxide
B) Oxygen
C) Nitrogen
D) Helium
What is the most common pollutant found in water bodies due to agricultural runoff?
A) Nitrogen
B) Carbon monoxide
C) Lead
D) Chlorine
Which of the following is a primary source of noise pollution in cities?
A) Traffic
B) Factories
C) Forest fires
D) Natural disasters
What is the term for the thinning of the ozone layer caused by chemicals such as CFCs?
A) Ozone depletion
B) Global warming
C) Acid rain
D) Greenhouse effect
Which pollutant is most associated with acid rain?
A) Sulfur dioxide
B) Methane
C) Carbon dioxide
D) Nitrous oxide
Which method is most effective in reducing solid waste pollution?
A) Recycling
B) Incineration
C) Dumping in landfills
D) Ocean dumping
What is the main environmental concern with plastic pollution?
A) It takes centuries to decompose
B) It increases soil fertility
C) It improves air quality
D) It enhances biodiversity
Which gas is primarily responsible for the depletion of the ozone layer?
A) Chlorofluorocarbons (CFCs)
B) Carbon monoxide
C) Methane
D) Oxygen
Which of the following is an example of a point source of water pollution?
A) Factory discharge
B) Agricultural runoff
C) Oil spill
D) Erosion
What is the primary effect of eutrophication in water bodies?
A) Algal blooms
B) Ozone depletion
C) Soil erosion
D) Noise pollution
Which of the following pollutants is most likely to cause respiratory problems in humans?
A) Particulate matter
B) Nitrogen
C) Water vapor
D) Helium
Which human activity is the largest source of carbon dioxide emissions?
A) Burning fossil fuels
B) Deforestation
C) Industrial waste disposal
D) Mining
What is the major cause of water pollution in developing countries?
A) Lack of sewage treatment
B) Use of renewable energy
C) Excessive rainfall
D) High wind speeds
Which gas is commonly associated with smog in urban areas?
A) Ozone
B) Oxygen
C) Nitrogen
D) Argon
What is the term used to describe the contamination of water bodies by harmful substances?
A) Water pollution
B) Soil erosion
C) Noise pollution
D) Air pollution
Which type of radiation is responsible for the damage to the ozone layer?
A) Ultraviolet radiation
B) Infrared radiation
C) Microwaves
D) Gamma rays
What is the main environmental effect of an oil spill in the ocean?
A) Harm to marine life
B) Increase in oxygen levels
C) Reduction in sunlight
D) Expansion of coral reefs
Which of the following is an example of air pollution control technology?
A) Scrubbers
B) Incinerators
C) Wastewater treatment plants
D) Pesticides
Which pollutant is primarily responsible for the formation of acid rain?
A) Sulfur dioxide
B) Carbon monoxide
C) Methane
D) Helium
What is the most effective way to prevent soil erosion?
A) Afforestation
B) Urbanization
C) Overgrazing
D) Burning fossil fuels
Which type of pollution is most associated with industrialization?
A) Air pollution
B) Soil erosion
C) Water conservation
D) Forest degradation
Which of the following is a key component of photochemical smog?
A) Nitrogen oxides
B) Oxygen
C) Carbon dioxide
D) Methane
Which of the following is the main cause of land pollution?
A) Industrial waste disposal
B) Solar radiation
C) Wind power
D) Ocean currents
What is the process by which toxic substances accumulate in the bodies of organisms through the food chain?
A) Biomagnification
B) Eutrophication
C) Photosynthesis
D) Decomposition
Which of the following pollutants is known to cause global warming?
A) Carbon dioxide
B) Sulfur dioxide
C) Lead
D) Ozone
Which type of waste management method is most commonly used in urban areas?
A) Landfills
B) Composting
C) Incineration
D) Recycling
What is the term used to describe the pollution of air by chemicals that are harmful to living organisms?
A) Air pollution
B) Water pollution
C) Noise pollution
D) Soil pollution
Which of the following is a biodegradable pollutant?
A) Organic waste
B) Plastic
C) Metal
D) Glass
What is the most significant contributor to marine pollution?
A) Plastic waste
B) Eutrophication
C) Noise pollution
D) Acid rain
What is the primary effect of thermal pollution in water bodies?
A) Increased water temperature
B) Reduced air quality
C) Soil degradation
D) Forest fires
Which of the following is the leading cause of deforestation?
A) Agricultural expansion
B) Urban air pollution
C) Thermal power plants
D) Solar energy
Which pollutant is most commonly associated with the depletion of the ozone layer?
A) CFCs
B) Carbon dioxide
C) Methane
D) Nitrogen dioxide
What is the major cause of indoor air pollution in developing countries?
A) Burning of biomass fuels
B) Traffic congestion
C) Excessive use of fertilizers
D) Oceanic oil spills
Which of the following is a non-biodegradable waste product?
A) Plastic
B) Paper
C) Food scraps
D) Cotton
Which type of energy source is considered a major contributor to global warming?
A) Fossil fuels
B) Wind energy
C) Solar energy
D) Hydropower
Which of the following can significantly reduce water pollution?
A) Treating sewage before discharge
B) Building more dams
C) Using more pesticides
D) Increasing deforestation
Which gas, produced from industrial activities, is a major greenhouse gas?
A) Carbon dioxide
B) Oxygen
C) Nitrogen
D) Hydrogen
Which of the following practices is most effective in controlling soil erosion?
A) Terracing
B) Industrialization
C) Overgrazing
D) Deforestation
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