QUESTION 5
GS3
10 marks
What do you understand by nanotechnology, and how is it helping in the health sector?
WRITE IN
7 min
150 words
What the examiner wants
Explain nanotechnology and how it is being used in health care.
ExplainMake clear how and why it happens: causes, process, and an example for each point.
Demand-wise check
- 1Definition: manipulating matter at 1–100 nanometres, where properties change≈30 words
- 2Uses: targeted drug delivery (cancer), diagnostics and biosensors, imaging, nano-coated implants, antimicrobial coatings, lipid nanoparticle vaccines≈30 words
- 3Indian initiatives: Nano Mission (2007)≈30 words
- 4Concerns: toxicity, regulation, cost≈30 words
Open in about 20 words and close in about 20.
Answer plan
DefinitionHealth applicationsIndiaConcernsConclusion
Where marks usually go
- Only the definition, without health uses like targeted cancer drugs or nanoparticle vaccines
- No concern
Draw this
- Scale bar from metre to nanometre
Value addition
- ExamplemRNA COVID-19 vaccines used lipid nanoparticles to deliver mRNA into cells.WHO / vaccine literature
- SchemeIndia's Nano Mission was launched in 2007 under DST; DST and CDSCO issued guidelines for nano-based drugs (2019).DST
Mapped topper copies
Reviewed public-source references related to this PYQ. Same-syllabus references are labelled separately.
- Harshvardhan Ashok Tidke · Page 13 ↗Reviewed PYQ reference
- Ritu Goyal · Page 13 ↗Reviewed PYQ reference
Links open original public sources. MainsBuddy does not host these answer sheets.
Next: plan for one minute, write it in 7 minutes, then get it checked.