Candidates who are willing to attempt the competitive exams regarding environment should know about the GK Environment Topic. Here we have provided Environment Quiz that makes you overcome the unawareness of Environment. Without referring all the books, sites and links., here we have given the description of the Environment General Knowledge Questions, which is the simple way to learn about Environment. By practicing and taking this Environment Online Test will assist you on the subject of Environment.
Environment Quiz Details
| Quiz Name | Environment |
| Category | Gk |
| Number of Questions | 25 |
| Time | 30 Minutes |
| Exam Type | MCQ (Multiple Choice Questions) |
Environment GK Questions and Answers
1. What is the most abundant gas in the Earth’s atmosphere?
a) Carbon dioxide
b) Oxygen
c) Nitrogen
d) Methane
Answer: c) Nitrogen
Explanation: Nitrogen makes up approximately 78% of the Earth’s atmosphere, followed by oxygen at around 21%.
2. Which of the following is not a greenhouse gas?
a) Carbon dioxide
b) Methane
c) Nitrogen
d) Water vapor
Answer: c) Nitrogen
Explanation: While nitrogen is an important component of the Earth’s atmosphere, it is not a greenhouse gas.
3. What is the process by which plants use sunlight to convert carbon dioxide and water into oxygen and glucose?
a) Photosynthesis
b) Cellular respiration
c) Fermentation
d) Combustion
Answer: a) Photosynthesis
Explanation: Photosynthesis is the process by which plants, algae, and some bacteria use sunlight to convert carbon dioxide and water into oxygen and glucose.
4. What is the term used to describe the gradual increase in the Earth’s average surface temperature?
a) Global cooling
b) Global warming
c) Climate change
d) Weather variability
Answer: b) Global warming
Explanation: Global warming refers to the long-term trend of increasing average surface temperatures on Earth.
5. Which of the following is a major cause of deforestation?
a) Urbanization
b) Desertification
c) Forest fires
d) Clearing land for agriculture
Answer: d) Clearing land for agriculture
Explanation: Deforestation is primarily caused by clearing land for agriculture, logging, and other human activities.
6. What is the term used to describe the process by which waste materials are broken down and recycled by natural organisms?
a) Composting
b) Recycling
c) Landfilling
d) Incineration
Answer: a) Composting
Explanation: Composting is the process by which organic waste materials are broken down and recycled by natural organisms, such as bacteria and worms.
7. Which of the following is a renewable energy source?
a) Coal
b) Natural gas
c) Wind
d) Oil
Answer: c) Wind
Explanation: Wind energy is a renewable energy source that is generated by wind turbines.
8. What is the term used to describe the process by which harmful chemicals or pollutants accumulate in the tissues of living organisms?
a) Biomagnification
b) Bioaccumulation
c) Biodiversity
d) Biodegradation
Answer: b) Bioaccumulation
Explanation: Bioaccumulation is the process by which harmful chemicals or pollutants accumulate in the tissues of living organisms over time.
9. Which of the following is a non-renewable resource?
a) Solar energy
b) Hydroelectric energy
c) Natural gas
d) Geothermal energy
Answer: c) Natural gas
Explanation: Natural gas is a non-renewable resource that is extracted from underground reservoirs.
10. What is the term used to describe the loss of biodiversity caused by the destruction of natural habitats?
a) Pollution
b) Climate change
c) Deforestation
d) Habitat destruction
Answer: d) Habitat destruction
Explanation: Habitat destruction is a major cause of biodiversity loss, as it can result in the loss of important habitat for many species.
11. Which of the following is a major contributor to air pollution?
a) Burning fossil fuels
b) Plant photosynthesis
c) Volcanic eruptions
d) Forest fires
Answer: a) Burning fossil fuels
Explanation: Burning fossil fuels, such as coal, oil, and gas, is a major contributor to air pollution, as it releases harmful pollutants into the atmosphere.
12. What is the term used to describe the process by which chemicals or pollutants are removed from water?
a) Desalination
b) Filtration
c) Distillation
d) Purification
Answer: d) Purification
Explanation: Purification is the process by which chemicals or pollutants are removed from water, typically through the use of filters or chemical treatments.
13. Which of the following is a major cause of ocean acidification?
a) Volcanic activity
b) Deforestation
c) Burning fossil fuels
d) Overfishing
Answer: c) Burning fossil fuels
Explanation: Burning fossil fuels releases carbon dioxide into the atmosphere, which can be absorbed by the oceans and cause them to become more acidic.
14. What is the term used to describe the process by which soil becomes degraded and loses its ability to support plant life?
a) Erosion
b) Desertification
c) Salinization
d) Soil depletion
Answer: b) Desertification
Explanation: Desertification is the process by which soil becomes degraded and loses its ability to support plant life, typically due to a combination of factors such as climate change, overgrazing, and deforestation.
15. Which of the following is an example of a renewable resource?
a) Coal
b) Natural gas
c) Solar energy
d) Petroleum
Answer: c) Solar energy
Explanation: Solar energy is a renewable resource that is generated by capturing the energy from the sun using solar panels.
16. What is the term used to describe the process by which natural habitats are restored or created?
a) Reforestation
b) Afforestation
c) Restoration ecology
d) Habitat restoration
Answer: c) Restoration ecology
Explanation: Restoration ecology is the scientific study of restoring or creating natural habitats, often in areas that have been degraded or destroyed by human activities.
17. Which of the following is a major cause of water pollution?
a) Volcanic eruptions
b) Deforestation
c) Agricultural runoff
d) Plant photosynthesis
Answer: c) Agricultural runoff
Explanation: Agricultural runoff, which can contain harmful chemicals and pollutants, is a major cause of water pollution.
18. What is the term used to describe the process by which waste materials are converted into new products?
a) Recycling
b) Composting
c) Landfilling
d) Incineration
Answer: a) Recycling
Explanation: Recycling is the process by which waste materials are converted into new products, typically through a series of steps such as collection, sorting, and processing.
19. Which of the following is an example of a non-renewable resource?
a) Wind energy
b) Geothermal energy
c) Coal
d) Biomass energy
Answer: c) Coal
Explanation: Coal is a non-renewable resource that is formed from the remains of ancient plants and animals over millions of years.
20. What is the term used to describe the variety of life on Earth?
a) Sustainability
b) Ecology
c) Biodiversity
d) Conservation
Answer: c) Biodiversity
Explanation: Biodiversity refers to the variety of life on Earth, including the diversity of species, ecosystems, and genetic variation.
21. Which of the following is a major cause of climate change?
a) Natural fluctuations in the Earth’s temperature
b) Changes in the Earth’s orbit
c) Human activities, such as burning fossil fuels
d) Changes in the intensity of the sun’s radiation
Answer: c) Human activities, such as burning fossil fuels
Explanation: Human activities, such as burning fossil fuels and deforestation, are the primary cause of climate change by increasing the amount of greenhouse gases in the atmosphere.
22. What is the term used to describe the process by which carbon is removed from the atmosphere and stored in vegetation and soil?
a) Carbon sequestration
b) Carbon capture
c) Carbon footprint
d) Carbon storage
Answer: a) Carbon sequestration
Explanation: Carbon sequestration is the process by which carbon is removed from the atmosphere and stored in vegetation and soil, which helps to mitigate climate change.
23. Which of the following is a major cause of deforestation?
a) Wildfires
b) Urbanization
c) Agricultural expansion
d) Earthquakes
Answer: c) Agricultural expansion
Explanation: Agricultural expansion, particularly for the production of commodities like soy and palm oil, is a major cause of deforestation in many parts of the world.
24. What is the term used to describe the natural process by which water evaporates from the surface of the Earth and returns to the atmosphere as precipitation?
a) Hydrologic cycle
b) Carbon cycle
c) Nitrogen cycle
d) Oxygen cycle
Answer: a) Hydrologic cycle
Explanation: The hydrologic cycle, also known as the water cycle, describes the natural process by which water evaporates from the surface of the Earth, forms clouds in the atmosphere, and returns to the Earth as precipitation.
25. Which of the following is a major cause of air pollution?
a) Plant respiration
b) Volcanic eruptions
c) Industrial emissions
d) Photosynthesis
Answer: c) Industrial emissions
Explanation: Industrial emissions, including those from power plants, factories, and transportation, are a major cause of air pollution, which can have harmful effects on human health and the environment.
