GS3 2020 Q5 10 marks 150 words Nanotechnology health
UPSC Mains 2020 GS3 Q5 — Nanotechnology health
What do you understand by nanotechnology and how is it helping in health sector? (Answer in 150 words)
Question Decoded — examiner's intent
- Directive verbs
- What do you understandhow is it helping
- Scope keywords
- nanotechnologyhealth sector
- Implicit sub-parts
- Scientific definition of nanotechnology (1-100 nm scale) and the concept of 'altered properties' at the nanoscale.
- Categorization of applications in health: diagnostics, therapeutics, and regenerative medicine.
- Specific examples of recent innovations (e.g., mRNA vaccines, targeted drug delivery, nano-sensors).
- Brief mention of ethical or safety concerns (toxicity/bio-persistence) to show holistic understanding.
- Common pitfalls
- Providing a generic definition that misses the crucial '1 to 100 nanometers' scale requirement.
- Listing general medical advancements that are not actually nanotechnology-based.
- Failing to mention 'Targeted Drug Delivery,' which is the most significant contribution of the field.
- Spending 100 words on the definition and only 50 on the health sector, ignoring the 10-mark weightage split.
- Omitting Indian initiatives like the Nano Mission or Department of Science and Technology (DST) contributions.
- Dimensions required
- Diagnostic (early detection)Therapeutic (treatment/drug delivery)Surgical (nano-robotics)Preventative (vaccinology)Safety/Regulatory (bio-ethics)
- Marks allocation hint
Allocate 30-40 words for a technical definition and the 'why' of nano-scale benefits. Spend the remaining 110 words on the health sector, using specific sub-headings for diagnostics, treatment, and vaccines to ensure maximum points.
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