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Multi-purpose projects have been critiqued in NCERT Ch 3 because they:
AAre technically incapable of generating electricity
BAre too expensive only
CCannot store more than 6 months of water
DLead to sedimentation in reservoirs and affect aquatic life
Answer & Solution
Correct answer: D. Lead to sedimentation in reservoirs and affect aquatic life
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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