Nanoscience and Nanotechnology: UPSC Previous Year Questions (Science and Technology)
1 previous year UPSC Prelims question on Nanoscience and Nanotechnology (Science and Technology). Choose an option to see the answer and explanation.
Explanations state facts as of the year each question was asked; words like “recently” refer to that year.
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UPSC 2023Science and Technology · Nanoscience and Nanotechnology
Q1. Consider the following statements: 1. Carbon fibres are used in the manufacture of components used in automobiles and aircrafts. 2. Carbon fibres, once used, cannot be recycled. Which of the statements given above is/are correct?
Explanation
Statement 1 is correct: Carbon fibre is a material consisting of very thin filaments of carbon atoms. Carbon fibers are fibers characterized by a carbon content of 90% or higher. The principal rationale behind the aerospace industry’s adoption of carbon fiber lies in the weight reduction it offers.
Statement 2 is incorrect: Carbon fibre is environmentally friendly and exhibits a longer life cycle. There are numerous technologies to recycle carbon fibres.
Answer key for these questions
Q
UPSC year
Correct answer
1
2023
(a) 1 only
Frequently asked questions
How many previous year UPSC questions are there on Nanoscience and Nanotechnology?
This page covers 1 previous year UPSC Prelims GS Paper-I questions on Nanoscience and Nanotechnology (Science and Technology), asked from 2010 to 2024. Each has the correct answer and an explanation.
How should I use previous year UPSC questions for Prelims?
Attempt each question first, then open the answer and read the explanation for every option. Repeat by chapter, and track which statements UPSC reuses across years. Previous year questions show the exam pattern and difficulty level.
Which years are covered for Nanoscience and Nanotechnology?
Questions on Nanoscience and Nanotechnology (Science and Technology) are available for 5 years, from 2010 to 2024. Use the Year filter to practise a single paper.
