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.
Showing 1–1 of 1 question
UPSC 2010Science and Technology · Nanoscience and Nanotechnology
Q1. Which among the following do/does not belong/ belongs to the GSM family of wireless technologies?
Explanation
Option (c) is correct: DSL (Digital Subscriber Line) is a wired broadband technology that uses telephone lines to transmit digital data. It is used for high-speed internet connections, but it is not a wireless technology. It does NOT belong to the GSM (Global System for Mobile Communication). DSL is a wired broadband technology that provides internet access over telephone lines and is unrelated to mobile networks. Options (a), (b) and (d) are incorrect:
EDGE (Enhanced Data Rates for GSM Evolution) belongs to the GSM family. It is an enhancement of GPRS (General Packet Radio Service) and is considered part of 2.5G and 2.75G networks within the GSM framework. LTE (Long-Term Evolution) belongs to the GSM family. LTE is a 4G technology that evolved from GSM and UMTS (Universal Mobile Telecommunications System). It provides high-speed wireless communication but is not strictly GSM-based; however, it is considered part of the evolutionary path of GSM networks.
Answer key for these questions
Q
UPSC year
Correct answer
1
2010
(c) DSL
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.
