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September 9, 2026

UPSC Prelims 2025 GS Paper I Q29 — Atmosphere and Greenhouse EffectUPSC प्रीलिम्स 2025 GS पेपर I प्रश्न 29 — वायुमंडल और ग्रीनहाउस प्रभाव

About 2 min readPublished 9 September 2026
UPSC • Prelims • 2025 • Prelims GS Paper I Attempt the actual previous-year questions first. Official answer, analysis and elimination clue appear only after final submission.
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UPSC • Prelims • 2025 • Prelims GS Paper I
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Question 29
UPSCEnvironment2025Prelims GS Paper ISeries A
Subject / विषय: Environment

Consider the following statements:

I. Without the atmosphere, temperature would be well below freezing point everywhere on the Earth’s surface.
II. Heat absorbed and trapped by the atmosphere maintains our planet’s average temperature.
III. Atmosphere’s gases, like carbon dioxide, are particularly good at absorbing and trapping radiation.

Which of the statements given above are correct?

निम्नलिखित कथनों पर विचार कीजिए :

I. वायुमंडल के बिना भूपृष्ठ पर सर्वत्र तापमान हिमांक के बहुत नीचे होता है।
II. वायुमंडल के द्वारा अवशोषित और पाशित ऊष्मा हमारे ग्रह के औसत तापमान को बनाए रखती है।
III. वायुमंडल की कार्बन डाइऑक्साइड जैसी गैसें विकिरण को अवशोषित और पाशित करने के लिए विशेष रूप से उत्तम हैं।

उपर्युक्त कथनों में कौन-कौन से सही हैं?

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Goldej Kumar is the Founder and Editor of Sri Ram Exams (Exam2.in), an independent educational platform for UPSC, State Public Service Commission, SSC and other competitive examinations. His editorial focus is on exam-relevant current affairs, source-based analysis, MCQ reasoning, previous-year-question patterns and clear bilingual learning for English- and Hindi-medium aspirants.