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Multi-purpose projects have been critiqued in NCERT Ch 3 because they:
Answer & Solution
Correct answer: D.
1. NCERT critiques dams on multiple grounds — ecological, social, and economic.
2. Sedimentation reduces reservoir storage and affects aquatic flora and fauna, especially blocking migration paths of fish.
3. Cost and storage are issues but ecological harm is the primary critique.
_Source: NCERT Class 10 Geography Contemporary India - II, Ch 3 "Water Resources", §Critique ¶2_
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