Climate change refers to significant and lasting changes in Earth’s climate patterns over extended periods. These alterations are largely attributed to human activities, particularly the burning of fossil fuels, deforestation, industrial processes, and agricultural practices. These activities release carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and other greenhouse gases into the atmosphere, trapping heat and causing the planet’s temperature to rise. That is why if you live in a desert country like Dubai you need a chiller van rental dubai for carrying your essential goods and keep them fresh
Climate Change MCQs with answers practice now
Causes of Climate Change:
- Greenhouse Gas Emissions: The burning of fossil fuels (coal, oil, and natural gas) for energy production and transportation is the largest contributor to CO2 emissions.
- Deforestation: Cutting down forests reduces the Earth’s capacity to absorb CO2, leading to increased greenhouse gases in the atmosphere.
- Industrial Processes: Manufacturing, cement production, and other industrial activities release greenhouse gases.
- Agricultural Practices: Livestock farming, rice cultivation, and the use of synthetic fertilizers emit methane and nitrous oxide.
Effects of Climate Change:
- Rising Temperatures: Global temperatures are increasing, leading to more frequent and intense heatwaves.
- Extreme Weather Events: Increased frequency of hurricanes, floods, droughts, and wildfires.
- Melting Ice Caps and Rising Sea Levels: Resulting in coastal erosion, loss of habitats, and threats to low-lying areas.
- Impact on Ecosystems: Disruption of ecosystems, loss of biodiversity, and changes in wildlife migration patterns.
- Threats to Agriculture and Food Security: Changing weather patterns affect crop yields, leading to food shortages and increased prices.
Questions and Answers:
What are the main greenhouse gases contributing to climate change?
The primary greenhouse gases are carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and fluorinated gases. CO2 is the most prevalent and is mainly emitted from fossil fuel combustion. Methane comes from sources like agriculture and landfills, while nitrous oxide is released from agricultural and industrial activities.
How does climate change affect wildlife?
Climate change disrupts habitats, affecting the behavior, migration, and reproductive patterns of various species. It can lead to the loss of habitats, endangerment, or extinction of certain species due to changes in temperature, precipitation, and food availability.
Can individuals help combat climate change?
Yes, individuals can contribute by reducing energy consumption, using renewable energy sources, minimizing waste, supporting sustainable practices, advocating for policies to reduce emissions, and adopting eco-friendly habits in daily life.
Understanding climate change and its impacts is crucial for fostering global cooperation to mitigate its effects. Taking action on individual, community, and governmental levels is essential to address this urgent challenge.
Climate Change MCQs with answers
Q1. Climate change is caused by
(a) Greenhouse gases
(b) Depletion of the ozone layer
(c) Pollution
(d) All the above
Q2. Where was the climate change conference held in the year 2015?
(a) Paris
(b) Qatar
(c) Bonn
(d) Colombo
Q3. What is “Greenhouse effect”
(a) Increase in temperature of Earth due to concentration of gases in atmosphere
(b) Acid rain
(c) Black rain
(d) None of the above
Q4. ‘Kyoto Protocol’ is related to
(a) Air pollution
(b) Greenhouse Gas
(c) Climate change
(d) Water pollution
Q5. Greenhouse effect is enhanced in the environment due to?
(a) Carbon monoxide
(b) Carbon dioxide
(c) Oxygen
(d) None of the above
Q6. Which of the following is not a greenhouse gas?
(a) Oxygen
(b) Carbon dioxide
(c) Chlorofluorocabons
(d) Methane
Q7. Which of the following gas has the highest contribution to global warming?
(a) Carbon-di-oxide
(b) Chlorofluorocarbon
(c) Nitrous oxide
(d) Methane
Q8. Which one of the following naturally occurring greenhouse gases causes the highest percentage of the greenhouse effect?
(a) Carbon Dioxide
(b) Methane
(c) Ozone
(d) Water Vapour
Q9. Which reference to ‘NET-ZERO’ GOAL FOR 2050, which of the following statements is/are correct?
1. It means that a country will bring down its emissions to zero by 2050.
2. It means that a country’s emissions will be compensated by absorption and removal of greenhouse gases from the atmosphere.
Select the correct answer using the codes given below. Codes.
(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2
Q10. Which one of the following gases is both harmful and beneficial to life on earth?
(a) Oxygen
(b) Ozone
(c) Nitrogen
(d) Carbon dioxide
Q11.Which of the following countries is the largest emitter of carbon?
(a) USA
(b) China
(c) India
(d) European Union
Q12. Which of the following is known as ‘carbon negative country’ in the world?
(a) Afghanistan
(b) Bahrain
(c) Bhutan
(d) Nepal
Q13. Which one among the following substances does not contribute to global warming directly ?
(a) Oxides of Sulphur
(b) Methane
(c) Carbon dioxide
(d) Water vapour
Q14. Which one of the following is NOT a green house gas found naturally in the atmosphere?
(a) Nitrogen oxide
(b) Carbon dioxide
(c) Methane
(d) Ozone
Q15. Which of the following is not Greenhouse gas?
(a) Methane
(b) Nitrous Oxide
(c) Chlorofluorocarbons
(d) Hydrogen
Q16. The total amount of green-house gases produced, to directly and indirectly support human activities, is referred to as?
(a) Carbon dioxide index
(b) Carbon footprint
(c) Carbon sequestration
(d) Carbon capture
Q17. Which of the following conditions indicate the impact of global warming? Select the correct answer from codes given below:
1. Melting of glaciers
2. Rise in sea level
3. Changes in weather conditions
4. Rise in global temperature
Codes :
(a) 1 and 2
(b) 1, 2 and 3
(c) 2, 3 and 4
(d) All the above
Q18. Which one of the following is the most fragile ecosystem that will be fi rst aff ected by global warming?
(a) The Arctic and Greenland Ice sheet
(b) Amazon rainforest
(c) Taiga
(d) Indian Monsoon
Q19. The increasing amount of carbon dioxide in the air is slowly raising the temperature of the atmosphere because it absorbs:
(a) The water vapour of the air and retains its heat
(b) The ultraviolet part of the solar radiation (c) All the solar radiations
(d) The infrared part of the solar radiation
Q20. Consider the following:
1. Rice fields
2. Coal mining
3. Domestic animals
4. Wetlands
Which of the above is a source of methane, a major greenhouse gas?
(a) 1 and 4
(b) 2 and 3
(c) 1, 2 and 3
(d) 1, 2, 3 and 4
Q21. Which human activity is most affected by climate?
(a) Fishing
(b) Mining
(c) Manufacturing
(d) Farming
Q22. When was India’s first National Action Plan on Climate Change released?
(a) 2000
(b) 2008
(c) 2012
(d) 2015
Q23. Consider the following statements:
(i) Kyoto Protocol came into force in the year 2005.
(ii) Kyoto protocol primarily deals with reducing overall greenhouse emissions.
(iii) Carbon dioxide is fi ve times more effective as a greenhouse gas than methane.
Which of the above statements is/are correct?
(a) (i) and (ii)
(b) (ii) and (iii)
(c) (i) only
(d) (iii) only
Q24. The concept of carbon credit’ originated from
(a) Earth Summit, Rio-de-Janeiro
(b) Kyoto protocol
(c) Montreal protocol
(d) G-8 Summit, Heiligendamm
Q25. Landscapes is managed by the:
(a) Asian Development Bank
(b) International Monetary Fund
(c) United Nations Environment Programme
(d) World Bank
Q26. Without green house effect, the average temperature of earth surface would be:
(a) 0°C
(b) – 18°C
(c) 5°C
(d) – 20°C
Q27. Which one of the following provides the cryogenic indicator of climate change?
(a) Ice core
(b) Fossilized pollen
(c) Tree ring growth
(d) Evaporite Deposits
Q28. Which human activity significantly contributes to deforestation and impacts climate change?
A) Urbanization
B) Fishing
C) Mining
D) Logging
Q29. Which greenhouse gas is released through the burning of fossil fuels?
A) Methane
B) Nitrous oxide
C) Carbon dioxide
D) Water vapour
Q30. Which factor contributes to the loss of Arctic sea ice?
A) Decreased global temperatures
B) Increased cloud cover
C) Ocean acidification
D) Warmer temperatures
Q31. Which process removes carbon dioxide from the atmosphere?
A) Photosynthesis
B) Combustion
C) Fossilization
D) Respiration
Q32. Which ecosystem is at risk due to ocean acidification caused by climate change?
A) Coral reefs
B) Rainforests
C) Grasslands
D) Tundra
Q33. What is the term for the process of the Earth’s surface warming up due to human activities?
A) Anthropogenic warming
B) Solar radiation
C) Geothermal heating
D) Thermal expansion
Q34. Which gas is more potent in trapping heat compared to carbon dioxide?
A) Nitrous oxide
B) Methane
C) Hydrogen sulphide
D) Ozone
Q35. Which activity is a major cause of methane emissions contributing to climate change?
A) Agriculture
B) Mining
C) Air travel
D) Waste incineration
Q36. What is the term for the process of trapping the sun’s heat in the Earth’s atmosphere?
A) Insolation
B) Greenhouse effect
C) Solar irradiance
D) Heat entrapment
Q37. Which action contributes most to reducing personal carbon footprint?
A) Driving an electric car
B) Eating locally produced food
C) Using public transportation
D) Planting trees
Q38. What is the main reason for the loss of biodiversity due to climate change?
A) Increased rainfall
B) Rising temperatures
C) Reduction in pollution
D) Soil erosion
Q39. Which region is particularly vulnerable to climate change-induced desertification?
A) Southeast Asia
B) Sub-Saharan Africa
C) Western Europe
D) North America
Q40. What is the main source of human-produced greenhouse gas emissions?
A) Deforestation
B) Industrial activities
C) Volcanic eruptions
D) Ocean currents
What causes climate change?
Climate change primarily results from human activities that release greenhouse gases into the atmosphere. The burning of fossil fuels like coal, oil, and natural gas, deforestation, industrial processes, and agricultural practices significantly contribute to the accumulation of greenhouse gases, leading to global warming and climate disruption.
How does climate change impact weather patterns?
Climate change intensifies and alters weather patterns, leading to more frequent and severe weather events. This includes heatwaves, hurricanes, floods, droughts, and wildfires. Changes in temperature and precipitation patterns disrupt ecosystems, agriculture, and human settlements.
What are the consequences of rising global temperatures?
Rising global temperatures lead to various consequences, such as melting ice caps and glaciers, resulting in rising sea levels. This threatens coastal communities with flooding and erosion. Additionally, it impacts ecosystems, biodiversity, and food security, endangering both human and animal habitats.
Can we reverse or stop climate change?
While complete reversal might not be achievable, it’s possible to mitigate and slow down the impacts of climate change by reducing greenhouse gas emissions. This involves transitioning to renewable energy sources, adopting sustainable practices, conserving forests, improving energy efficiency, and implementing policies that limit carbon emissions.
How does climate change affect biodiversity?
Climate change poses a significant threat to biodiversity. It alters habitats, affecting species’ behaviors, life cycles, and geographical ranges. Some species may struggle to adapt or migrate fast enough, leading to a decline in biodiversity. This affects entire ecosystems and can lead to species extinction.