UPSC Mains 2025 GS3 Q15 — Science and Technology, Nanotechnology
How does nanotechnology offer significant advancements in the field of agriculture? How can this technology help to uplift the socio-economic status of farmers? (Answer in 250 words)
Question Decoded — examiner's intent
- Directive verbs
- How
- Scope keywords
- nanotechnologysignificant advancementsfield of agricultureuplift the socio-economic status of farmers
- Implicit sub-parts
- Mechanism of action: How nano-scale delivery (precision) differs from traditional bulk application.
- Input-side innovations: Nano-fertilizers, nano-pesticides, and smart delivery systems.
- Post-harvest and monitoring: Nanosensors for soil health and food shelf-life extension.
- Economic logic: Cost reduction, yield improvement, and market access as drivers of farmer income.
- Challenges/Barriers: Safety concerns, regulatory gaps, and high initial costs hindering adoption.
- Common pitfalls
- Writing a generic essay on nanotechnology applications (like medicine or electronics) instead of staying strictly within agriculture.
- Focusing only on the 'science' of nano-particles without linking it back to the 'socio-economic' impact on smallholder farmers.
- Ignoring the environmental footprint or potential toxicity of nano-materials in soil (bioaccumulation).
- Failing to mention specific Indian context examples like IFFCO Nano Urea.
- Treating 'socio-economic status' as just 'more money' without considering health, labor reduction, and sustainability.
- Dimensions required
- Technological/ScientificEconomic/FinancialSocial/HealthEnvironmental/EcologicalPolicy/Regulatory
- Marks allocation hint
Allocate approximately 100 words to the 'advancements' section (focusing on precision and efficiency). Dedicate 120 words to the 'socio-economic' aspect, detailing income growth, health benefits from reduced chemical exposure, and global competitiveness. Use the remaining 30 words for a conclusion that addresses the need for a 'lab-to-land' regulatory framework.
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