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UPSC Prelims 2023CSATCurrent AffairsReading Comprehension - Crux/Main Idea

Q2. Which one of the following statements best reflects the crux of the passage?

A. Generation of energy from municipal solid waste is inexpensive.
B. Biomethanation is the most ideal way of generating energy from municipal solid waste.
C. Segregation of municipal solid waste is the first step in ensuring the success of waste-to-energy plants.✓ Correct
D. The biodegradable component of India's municipal solid waste is not adequate to provide energy from waste efficiently/effectively.

Detailed Solution

✓ Correct Answer: Option C

The passage begins by highlighting the rarity of municipal waste segregation at source in India. It then explicitly states that for waste-to-energy, it 'Ideally it fits in the chain after segregation (between wet waste and rest), collection, recycling, and before getting to the landfill.' This clearly positions segregation as a foundational and initial step for the effective functioning of waste-to-energy processes.

Options A and D are not supported by the passage, as it doesn't discuss cost or inadequacy. Option B is an overstatement; biomethanation is called a 'major solution,' not the 'most ideal way.' The central theme revolves around the critical importance of segregation.

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