Official Answer Key & Detailed Solution
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Correct Answer: Option (A) — Organic farming
Concept & Option Breakdown
Standard Reference Verified- Option (a) is correct: Organic farming relies on ecological processes, biodiversity, and natural cycles (crop rotation, green manure, composting, bio-pesticides) rather than synthetic inputs, making it eco-friendly.
- Option (b) is incorrect: Shifting cultivation (slash and burn) causes deforestation, soil erosion, and habitat loss.
- Option (c) is incorrect: High Yielding Varieties (HYVs) depend on heavy chemical fertilizers and intensive irrigation, causing soil and water degradation.
- Option (d) is incorrect: Greenhouse cultivation often requires substantial external energy inputs for climate and lighting management.
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