UPSC CSE Prelims

Climate Change question bank (Environment & Ecology)

Practice 24 free UPSC CSE Prelims Environment & Ecology - Climate Change questions with answers and step-by-step solutions.

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Q1.

Consider the following gases: 1. Carbon dioxide 2. Methane 3. Nitrous oxide 4. Water vapour. Which of the above gases have both natural and anthropogenic sources and are considered major contributors to the natural greenhouse effect?

Topic: Greenhouse Effect | Source: AI Generated (UPSC CSE Prelims) | Status: pending review

(A)

1 and 2 only

(B)

1, 2 and 3 only

(C)

2, 3 and 4 only

(D)

1, 2, 3 and 4

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Q2.

With reference to the Global Warming Potential (GWP), which of the following sequences shows the correct decreasing order of gases based on their GWP over a 100-year timescale?

Topic: Greenhouse Effect | Source: AI Generated (UPSC CSE Prelims) | Status: pending review

(A)

Carbon dioxide > Methane > Nitrous oxide > Sulfur hexafluoride

(B)

Sulfur hexafluoride > Nitrous oxide > Methane > Carbon dioxide

(C)

Sulfur hexafluoride > Carbon dioxide > Nitrous oxide > Methane

(D)

Nitrous oxide > Sulfur hexafluoride > Methane > Carbon dioxide

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