Emerging Technologies PYQs

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1. Prelims 2026Q51Emerging TechnologiesAnswer disputed

   Which of the following statements regarding the features of blockchain technology are correct ?

   1.Records stored in the database may be made visible to relevant stakeholders without risk of alteration.

   2.Copies of the entire database are stored on multiple computers on a network, syncing within seconds.

   3.Consortium blockchain is a blend of public and private blockchains allowing selective data access.

   4.Mathematical algorithms make it impossible to change or delete any data once recorded and accepted.

   Select the answer using the code given below :

   a1 and 3b2 and 4 onlyc1, 2 and 4d1 and 4 only
2. Prelims 2026Q67Emerging Technologies

   Which of the following statements with regard to Large Language Models (LLMs) used in machine learning is/are correct ?

   1.LLMs assign probabilities to the next possible words and then pick the one with the highest probability.

   2.LLMs process data through mathematical optimization to minimise prediction errors.

   3.LLMs produce unbiased outputs.

   Select the answer using the code given below :

   a1 onlyb1 and 2 onlyc2 and 3 onlyd1, 2 and 3
3. Prelims 2026Q74Emerging Technologies

   Which of the following statements with regard to the National Quantum Mission (NQM) is/are correct ?

   1.It aims at developing intermediate-scale quantum computers with 50 – 1000 physical qubits.

   2.Its implementation includes setting up of four Thematic Hubs (T-Hubs) in academic and national R&D institutes across India.

   Select the answer using the code given below :

   a1 onlyb2 onlycBoth 1 and 2dNeither 1 nor 2
4. Prelims 2025Q42Emerging Technologies

   With reference to Unmanned Aerial Vehicles (UAVs), consider the following statements :

   I.All types of UAVs can do vertical landing.

   II.All types of UAVs can do automated hovering.

   III.All types of UAVs can use battery only as a source of power supply.

   How many of the statements given above are correct?

   aOnly onebOnly twocAll the threedNone
5. Prelims 2025Q43Emerging Technologies

   In the context of electric vehicle batteries, consider the following elements :

   I.Cobalt

   II.Graphite

   III.Lithium

   IV.Nickel

   How many of the above usually make up battery cathodes?

   aOnly onebOnly twocOnly threedAll the four
6. Prelims 2025Q47Emerging Technologies

   Consider the following statements :

   I.It is expected that Majorana 1 chip will enable quantum computing.

   II.Majorana 1 chip has been introduced by Amazon Web Services (AWS).

   III.Deep learning is a subset of machine learning.

   Which of the statements given above are correct?

   aI and II onlybII and III onlycI and III onlydI, II and III
7. Prelims 2024Q36Emerging Technologies

   In which of the following are hydrogels used ?

   1.Controlled drug delivery in patients

   2.Mobile air-conditioning systems

   3.Preparation of industrial lubricants

   Select the correct answer using the code given below :

   a1 onlyb1 and 2 onlyc2 and 3 onlyd1, 2 and 3
8. Prelims 2024Q48Emerging Technologies

   Which one of the following words/phrases is most appropriately used to denote “an interoperable network of 3D virtual worlds that can be accessed simultaneously by millions of users, who can exert property rights over virtual items” ?

   aBig data analyticsbCryptographycMetaversedVirtual matrix
9. Prelims 2023Q53Emerging Technologies

   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?

   a1 onlyb2 onlycBoth 1 and 2dNeither 1 nor 2
10. Prelims 2022Q35Emerging Technologies

    Which one of the following is the context in which the term “qubit” is mentioned ?

    aCloud ServicesbQuantum ComputingcVisible Light Communication TechnologiesdWireless Communication Technologies
11. Prelims 2022Q69Emerging Technologies

    With reference to Non-Fungible Tokens (NFTs), consider the following statements :

    1.They enable the digital representation of physical assets.

    2.They are unique cryptographic tokens that exist on a blockchain.

    3.They can be traded or exchanged at equivalency and therefore can be used as a medium of commercial transactions.

    Which of the statements given above are correct ?

    a1 and 2 onlyb2 and 3 onlyc1 and 3 onlyd1, 2 and 3
12. Prelims 2022Q98Emerging Technologies

    Consider the following statements :

    1.Other than those made by humans, nanoparticles do not exist in nature.

    2.Nanoparticles of some metallic oxides are used in the manufacture of some cosmetics.

    3.Nanoparticles of some commercial products which enter the environment are unsafe for humans.

    Which of the statements given above is/are correct ?

    a1 onlyb3 onlyc1 and 2d2 and 3
13. Prelims 2020Q38Emerging Technologies

    With the present state of development, Artificial Intelligence can effectively do which of the following ?

    1.Bring down electricity consumption in industrial units

    2.Create meaningful short stories and songs

    3.Disease diagnosis

    4.Text-to-Speech Conversion

    5.Wireless transmission of electrical energy

    Select the correct answer using the code given below :

    a1, 2, 3 and 5 onlyb1, 3 and 4 onlyc2, 4 and 5 onlyd1, 2, 3, 4 and 5
14. Prelims 2020Q40Emerging Technologies

    With reference to “Blockchain Technology”, consider the following statements :

    1.It is a public ledger that everyone can inspect, but which no single user controls.

    2.The structure and design of blockchain is such that all the data in it are about cryptocurrency only.

    3.Applications that depend on basic features of blockchain can be developed without anybody’s permission.

    Which of the statements given above is/are correct ?

    a1 onlyb1 and 2 onlyc2 onlyd1 and 3 only
15. Prelims 2020Q41Emerging TechnologiesAnswer disputed

    With reference to carbon nanotubes, consider the following statements :

    1.They can be used as carriers of drugs and antigens in the human body.

    2.They can be made into artificial blood capillaries for an injured part of human body.

    3.They can be used in biochemical sensors.

    4.Carbon nanotubes are biodegradable.

    Which of the statements given above are correct ?

    a1 and 2 onlyb2, 3 and 4 onlyc1, 3 and 4 onlyd1, 2, 3 and 4
16. Prelims 2020Q42Emerging Technologies

    Consider the following activities :

    1.Spraying pesticides on a crop field

    2.Inspecting the craters of active volcanoes

    3.Collecting breath samples from spouting whales for DNA analysis At the present level of technology, which of the above activities can be successfully carried out by using drones ?

    a1 and 2 onlyb2 and 3 onlyc1 and 3 onlyd1, 2 and 3
17. Prelims 2019Q91Emerging Technologies

    In the context of digital technologies for entertainment, consider the following statements :

    1.In Augmented Reality (AR), a simulated environment is created and the physical world is completely shut out.

    2.In Virtual Reality (VR), images generated from a computer are projected onto real-life objects or surroundings.

    3.AR allows individuals to be present in the world and improves the experience using the camera of smart-phone or PC.

    4.VR closes the world, and transposes an individual, providing complete immersion experience.

    Which of the statements given above is/are correct?

    a1 and 2 onlyb3 and 4c1, 2 and 3d4 only
18. Prelims 2019Q95Emerging Technologies

    In the context of wearable technology, which of the following tasks is/are accomplished by wearable devices?

    1.Location identification of a person

    2.Sleep monitoring of a person

    3.Assisting the hearing impaired person

    Select the correct answer using the code given below.

    a1 onlyb2 and 3 onlyc3 onlyd1, 2 and 3
19. Prelims 2018Q64Emerging Technologies

    Consider the following pairs :

    Terms sometimes seen in news — Context / Topic

    1.Belle II experiment — Artificial Intelligence

    2.Blockchain technology — Digital / Cryptocurrency

    3.CRISPR - Cas9 — Particle Physics

    Which of the pairs given above is/are correctly matched ?

    a1 and 3 onlyb2 onlyc2 and 3 onlyd1, 2 and 3
20. Prelims 2018Q84Emerging Technologies

    "3D printing" has applications in which of the following ?

    1.Preparation of confectionery items

    2.Manufacture of bionic ears

    3.Automotive industry

    4.Reconstructive surgeries

    5.Data processing technologies

    Select the correct answer using the code given below :

    a1, 3 and 4 onlyb2, 3 and 5 onlyc1 and 4 onlyd1, 2, 3, 4 and 5
21. Prelims 2017Q74Emerging Technologies

    Organic Light Emitting Diodes (OLEDs) are used to create digital display in many devices.

    What are the advantages of OLED displays over Liquid Crystal displays ?

    1.OLED displays can be fabricated on flexible plastic substrates.

    2.Roll-up displays embedded in clothing can be made using OLEDs.

    3.Transparent displays are possible using OLEDs.

    Select the correct answer using the code given below :

    a1 and 3 onlyb2 onlyc1, 2 and 3dNone of the above statements is correct
22. Prelims 2016Q47Emerging Technologies

    What is 'Greased Lightning–10 (GL–10)', recently in the news?

    aElectric plane tested by NASAbSolar-powered two-seater aircraft designed by JapancSpace observatory launched by ChinadReusable rocket designed by ISRO
23. Prelims 2015Q23Emerging Technologies

    With reference to the use of nano-technology in health sector, which of the following statements is/are correct?

    1.Targeted drug delivery is made possible by nanotechnology.

    2.Nanotechnology can largely contribute to gene therapy.

    Select the correct answer using the code given below.

    a1 onlyb2 onlycBoth 1 and 2dNeither 1 nor 2
24. Prelims 2012Q14Emerging Technologies

    Graphene is frequently in news recently. What is its importance?

    1.It is a two-dimensional material and has good electrical conductivity.

    2.It is one of the thinnest but strongest materials tested so far.

    3.It is entirely made of silicon and has high optical transparency.

    4.It can be used as 'conducting electrodes' required for touch screens, LCDs and organic LEDs.

    Which of the statements given above are correct?

    a1 and 2 onlyb3 and 4 onlyc1, 2 and 4 onlyd1, 2, 3 and 4
25. Prelims 2008Q103Emerging Technologies

    Where was the first desalination plant in India to produce one lakh litres freshwater per day based on low temperature thermal desalination principle commissioned?

    aKavarattibPort BlaircMangaloredValsad