Q. Which chemical is primarily responsible for ozone depletion?
-
A.
Carbon Dioxide
-
B.
Chlorofluorocarbons (CFCs)
-
C.
Methane
-
D.
Sulfur Dioxide
Solution
Chlorofluorocarbons (CFCs) are primarily responsible for ozone depletion in the stratosphere.
Correct Answer: B — Chlorofluorocarbons (CFCs)
Learn More →
Q. Which chemical is primarily responsible for the depletion of the ozone layer?
-
A.
Carbon Dioxide
-
B.
Chlorofluorocarbons (CFCs)
-
C.
Methane
-
D.
Sulfur Dioxide
Solution
Chlorofluorocarbons (CFCs) are responsible for the depletion of the ozone layer, as they release chlorine atoms that destroy ozone molecules.
Correct Answer: B — Chlorofluorocarbons (CFCs)
Learn More →
Q. Which gas is primarily responsible for the depletion of the ozone layer?
-
A.
Carbon Dioxide
-
B.
Chlorofluorocarbons
-
C.
Methane
-
D.
Nitrous Oxide
Solution
Chlorofluorocarbons (CFCs) are primarily responsible for the depletion of the ozone layer.
Correct Answer: B — Chlorofluorocarbons
Learn More →
Q. Which gas is primarily responsible for the greenhouse effect?
-
A.
Oxygen
-
B.
Nitrogen
-
C.
Carbon Dioxide
-
D.
Hydrogen
Solution
Carbon Dioxide (CO2) is primarily responsible for the greenhouse effect, trapping heat in the atmosphere.
Correct Answer: C — Carbon Dioxide
Learn More →
Q. Which of the following gases is primarily responsible for the greenhouse effect?
-
A.
Ozone
-
B.
Carbon Dioxide
-
C.
Nitrogen
-
D.
Methane
Solution
Carbon Dioxide is a major greenhouse gas that traps heat in the atmosphere, contributing to global warming.
Correct Answer: B — Carbon Dioxide
Learn More →
Q. Which of the following is a consequence of acid rain?
-
A.
Soil degradation
-
B.
Increased biodiversity
-
C.
Improved crop yield
-
D.
None of the above
Solution
Acid rain leads to soil degradation, harming plant life and reducing biodiversity.
Correct Answer: A — Soil degradation
Learn More →
Q. Which of the following is a consequence of eutrophication in water bodies?
-
A.
Increased biodiversity
-
B.
Decreased oxygen levels
-
C.
Improved water clarity
-
D.
Reduced algal growth
Solution
Eutrophication leads to increased nutrient levels, resulting in algal blooms that decrease oxygen levels in water bodies.
Correct Answer: B — Decreased oxygen levels
Learn More →
Q. Which of the following is a consequence of eutrophication?
-
A.
Increased biodiversity
-
B.
Decreased oxygen levels
-
C.
Improved water clarity
-
D.
Reduction of algal blooms
Solution
Eutrophication leads to decreased oxygen levels in water bodies, which can harm aquatic life.
Correct Answer: B — Decreased oxygen levels
Learn More →
Q. Which of the following is a consequence of global warming?
-
A.
Rising sea levels
-
B.
Increased ice cover
-
C.
Decreased temperatures
-
D.
None of the above
Solution
Global warming leads to rising sea levels due to the melting of polar ice and glaciers.
Correct Answer: A — Rising sea levels
Learn More →
Q. Which of the following is a heavy metal that can cause environmental pollution?
-
A.
Iron
-
B.
Lead
-
C.
Calcium
-
D.
Sodium
Solution
Lead is a heavy metal that can accumulate in the environment and is toxic to living organisms.
Correct Answer: B — Lead
Learn More →
Q. Which of the following is a heavy metal that poses environmental hazards?
-
A.
Sodium
-
B.
Calcium
-
C.
Lead
-
D.
Potassium
Solution
Lead is a heavy metal that poses significant environmental and health hazards.
Correct Answer: C — Lead
Learn More →
Q. Which of the following is a major contributor to global warming?
-
A.
Ozone
-
B.
Methane
-
C.
Nitrogen
-
D.
Argon
Solution
Methane is a potent greenhouse gas that significantly contributes to global warming.
Correct Answer: B — Methane
Learn More →
Q. Which of the following is a major contributor to the depletion of the ozone layer?
-
A.
Carbon dioxide
-
B.
Chlorofluorocarbons (CFCs)
-
C.
Methane
-
D.
Nitrous oxide
Solution
Chlorofluorocarbons (CFCs) are major contributors to the depletion of the ozone layer, leading to increased UV radiation.
Correct Answer: B — Chlorofluorocarbons (CFCs)
Learn More →
Q. Which of the following is a major source of sulfur dioxide in the atmosphere?
-
A.
Volcanic eruptions
-
B.
Automobile emissions
-
C.
Industrial processes
-
D.
All of the above
Solution
Sulfur dioxide (SO2) is released from various sources including volcanic eruptions, automobile emissions, and industrial processes.
Correct Answer: D — All of the above
Learn More →
Q. Which of the following is a method to reduce air pollution?
-
A.
Using public transport
-
B.
Burning fossil fuels
-
C.
Deforestation
-
D.
Increasing industrial emissions
Solution
Using public transport helps reduce the number of vehicles on the road, thereby decreasing air pollution.
Correct Answer: A — Using public transport
Learn More →
Q. Which of the following is a method to reduce water pollution?
-
A.
Using biodegradable materials
-
B.
Increasing industrial waste discharge
-
C.
Reducing vegetation
-
D.
None of the above
Solution
Using biodegradable materials helps reduce water pollution by minimizing the impact of waste on aquatic ecosystems.
Correct Answer: A — Using biodegradable materials
Learn More →
Q. Which of the following is a non-renewable resource?
-
A.
Wind Energy
-
B.
Natural Gas
-
C.
Hydropower
-
D.
Geothermal Energy
Solution
Natural gas is a non-renewable resource, as it is formed from fossilized organic materials over millions of years.
Correct Answer: B — Natural Gas
Learn More →
Q. Which of the following is a renewable energy source?
-
A.
Coal
-
B.
Natural Gas
-
C.
Solar Energy
-
D.
Nuclear Energy
Solution
Solar energy is a renewable energy source that can be harnessed without depleting natural resources.
Correct Answer: C — Solar Energy
Learn More →
Q. Which of the following is a renewable source of energy that helps reduce environmental pollution?
-
A.
Coal
-
B.
Natural gas
-
C.
Solar energy
-
D.
Nuclear energy
Solution
Solar energy is a renewable source of energy that helps reduce environmental pollution compared to fossil fuels.
Correct Answer: C — Solar energy
Learn More →
Q. Which of the following is a renewable source of energy?
-
A.
Coal
-
B.
Natural gas
-
C.
Solar energy
-
D.
Nuclear energy
Solution
Solar energy is a renewable source of energy that can be harnessed without depleting natural resources.
Correct Answer: C — Solar energy
Learn More →
Q. Which of the following pollutants is a heavy metal?
-
A.
Lead
-
B.
Carbon Monoxide
-
C.
Nitrogen Dioxide
-
D.
Sulfur Dioxide
Solution
Lead is a heavy metal that can be toxic to humans and the environment.
Correct Answer: A — Lead
Learn More →
Q. Which of the following pollutants is a major contributor to smog formation?
-
A.
Carbon Monoxide
-
B.
Sulfur Dioxide
-
C.
Particulate Matter
-
D.
Volatile Organic Compounds
Solution
Volatile Organic Compounds (VOCs) are major contributors to smog formation, especially in urban areas.
Correct Answer: D — Volatile Organic Compounds
Learn More →
Q. Which of the following pollutants is a major contributor to smog?
-
A.
Carbon monoxide
-
B.
Sulfur dioxide
-
C.
Particulate matter
-
D.
Ozone
Solution
Ozone at ground level is a major component of smog, formed by the reaction of sunlight with pollutants.
Correct Answer: D — Ozone
Learn More →
Q. Which of the following pollutants is a major contributor to the formation of smog?
-
A.
Carbon Monoxide
-
B.
Sulfur Dioxide
-
C.
Particulate Matter
-
D.
Nitrogen Dioxide
Solution
Nitrogen Dioxide is a major contributor to the formation of smog, particularly in urban areas.
Correct Answer: D — Nitrogen Dioxide
Learn More →
Q. Which of the following pollutants is most associated with respiratory problems?
-
A.
Carbon Dioxide
-
B.
Sulfur Dioxide
-
C.
Ozone
-
D.
Nitrogen Dioxide
Solution
Nitrogen Dioxide (NO2) is associated with respiratory problems and is a significant air pollutant.
Correct Answer: D — Nitrogen Dioxide
Learn More →
Q. Which of the following pollutants is primarily responsible for the formation of smog?
-
A.
Carbon monoxide
-
B.
Sulfur dioxide
-
C.
Particulate matter
-
D.
Nitrogen dioxide
Solution
Nitrogen dioxide is a key contributor to the formation of smog, especially in urban areas.
Correct Answer: D — Nitrogen dioxide
Learn More →
Q. Which of the following pollutants is primarily responsible for the formation of acid rain?
-
A.
Carbon monoxide
-
B.
Nitrogen oxides
-
C.
Sulfur oxides
-
D.
Lead
Solution
Sulfur oxides (SOx) and nitrogen oxides (NOx) are the main pollutants that contribute to the formation of acid rain.
Correct Answer: C — Sulfur oxides
Learn More →
Showing 31 to 57 of 57 (2 Pages)