SSC CGL Preparation – Day 18

MCQs – Global Warming

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1. Which of the following gases is primarily responsible for global warming?
A) Nitrogen
B) Oxygen
C) Carbon Dioxide
D) Hydrogen

✅ Answer: C) Carbon Dioxide
📝 CO₂ is the most emitted greenhouse gas due to burning of fossil fuels.

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2. What is the Global Warming Potential (GWP) of methane compared to CO₂?
A) 1
B) 10
C) 25
D) 100

✅ Answer: C) 25
📝 Methane is 25 times more potent than CO₂ in trapping heat over a 100-year period.

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3. Which international agreement aims to limit global temperature rise below 2°C?
A) Kyoto Protocol
B) Montreal Protocol
C) Paris Agreement
D) Basel Convention

✅ Answer: C) Paris Agreement
📝 Adopted in 2015, it aims to combat climate change and limit global temperature rise.

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4. Which gas is not a greenhouse gas?
A) Carbon dioxide
B) Methane
C) Oxygen
D) Nitrous oxide

✅ Answer: C) Oxygen
📝 Oxygen is not a greenhouse gas as it doesn’t trap heat in the atmosphere.

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5. India pledged to reach net zero carbon emissions by which year?
A) 2030
B) 2050
C) 2070
D) 2100

✅ Answer: C) 2070
📝 India committed to this goal at the COP26 summit in Glasgow (2021).

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6. Which Indian scheme is directly aimed at increasing forest cover?
A) PM-KISAN
B) Green India Mission
C) UJALA Scheme
D) NITI Aayog Mission

✅ Answer: B) Green India Mission
📝 It is part of NAPCC and promotes afforestation and ecosystem restoration.

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7. Which of the following is the most potent greenhouse gas by GWP?
A) CO₂
B) CH₄
C) N₂O
D) CFCs

✅ Answer: D) CFCs
📝 CFCs have GWP thousands of times greater than CO₂, despite being less common.

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8. Which of the following is not a consequence of global warming?
A) Melting of glaciers
B) Rising sea levels
C) Increased soil fertility
D) Extreme weather events

✅ Answer: C) Increased soil fertility
📝 Soil fertility is more likely to decline due to climate change impacts.

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9. What is the function of the Montreal Protocol?
A) Control desertification
B) Protect biodiversity
C) Control ozone-depleting substances
D) Promote renewable energy

✅ Answer: C) Control ozone-depleting substances
📝 Signed in 1987 to phase out CFCs and protect the ozone layer.

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10. The Lifestyle for Environment (LiFE) movement was launched to:
A) Promote electric vehicles
B) Encourage sustainable living
C) Protect wildlife
D) Ban plastic use completely

✅ Answer: B) Encourage sustainable living
📝 LiFE, launched by PM Modi, encourages individual climate action.