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UPSC 2012: Biomass gasification is considered to be one of the sustainable solutions to the power crisis in India. In this context, which of the following statements is/are correct? 1. Coconut shells, groundnut shells and rice husk can be used in biomass gasification. 2. The combustible gases generated from biomass gasification consist of hydrogen and carbon-dioxide only. 3. The combustible gases generated from biomass gasification can be used for direct heat generation but not in internal combustion engines. Select the correct answer using the codes given below :
(a)1 only
(b)2 and 3 only
(c)1 and 3 only
(d)1, 2 and 3
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Not attemptedCorrect Answer: (a) 1 only
Agricultural residues such as coconut shells, ground-nut shells and rice husk are common feed-stocks for biomass gasifiers, so statement 1 is correct. Producer gas contains CO, H₂, CH₄ and some CO₂, not just H₂ and CO₂, making statement 2 incorrect. After cleaning, producer gas can run internal-combustion engines; hence statement 3 is also incorrect. Thus only statement 1 is valid. ([studyadda.com](https://www.studyadda.com/solved-papers/solved-paper-general-studies-2012_q76/772/355617?utm_source=openai))
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What is the correct answer to this UPSC 2012 Environment & Ecology question?▼
The correct answer is option (a): 1 only. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Renewable Energy & Green Technologies question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2012, GS Paper 1, as Question 12. It falls under Environment & Ecology > Renewable Energy & Green Technologies.
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This question is rated "moderate". It requires sound conceptual understanding of the topic.
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UPSC has asked 18 questions from Renewable Energy & Green Technologies (under Environment & Ecology) across multiple years. Visit the topic page to see the full list and year-wise trends.