UPPSC • Prelims • 2025 • GS Paper I
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Question 28
UPPSCScience & Technology2025GS-ISeries A
Subject / विषय: Science & Technology
Which of the following two are the major constituents of biogas?
1. Methane
2. Butane
3. Carbon dioxide
4. Carbon monoxide
बायोगैस के प्रमुख घटक निम्न में से कौन-से दो हैं?
1. मीथेन
2. ब्यूटेन
3. कार्बन डाइऑक्साइड
4. कार्बन मोनोऑक्साइड
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Author / EditorGoldej Kumar
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.