70th BPSC: Daily Problem practice for GS- [Science&Tech: Day-10]
Q. Write short notes on the following: [Marks 36] Why is nanotechnology one of the key technologies of the 21st century? 8 What is “ghost particles” ? Why are they significant in understanding the universe? 7 “The growing problem of e-waste in India represents both a challenge and an opportunity”. Discuss. 7 What role …
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