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UPSC PYQs: Science & Technology

Review complete published questions grouped by topic: Science & Technology.

12 published questions

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Questions

Consider the following types of vehicles: I. Full battery electric vehicles II. Hydrogen fuel cell vehicles III. Fuel cell-electric hybrid vehicles. How many of the above are considered as alternative powertrain vehicles?2025 · Prelims GS1 · Science & Technology · Science & Technology
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?2025 · Prelims GS1 · Science & Technology · Science & Technology
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?2025 · Prelims GS1 · Science & Technology · Science & Technology
What is the common characteristic of the chemical substances generally known as CL-20, HMX and LLM-105, which are sometimes talked about in media?2025 · Prelims GS1 · Science & Technology · Science & Technology
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?2025 · Prelims GS1 · Science & Technology · Science & Technology
With reference to monoclonal antibodies, often mentioned in news, consider the following statements: I. They are man-made proteins. II. They stimulate immunological function due to their ability to bind to specific antigens. III. They are used in treating viral infections. Which of the statements given above are correct?2025 · Prelims GS1 · Science & Technology · Science & Technology
GPS-Aided Geo Augmented Navigation (GAGAN) uses a system of ground stations to provide necessary augmentation. Which of the following statements is/are correct in respect of GAGAN? I. It is designed to provide additional accuracy and integrity. II. It will allow more uniform and high quality air traffic management. III. It will provide benefits only in aviation but not in other modes of transportation.2025 · Prelims GS1 · Science & Technology · Science & Technology
Consider the following statements regarding AI Action Summit held in Grand Palais, Paris in February 2025: I. Co-chaired with India, the event builds on the advances made at the Bletchley Park Summit held in 2023 and the Seoul Summit held in 2024. II. Along with other countries US and UK also signed the declaration on inclusive and sustainable AI. Which of the statements given above is/are correct?2025 · Prelims GS1 · Science & Technology · Science & Technology
Consider the following statements: Statement I: Some rare earth elements are used in the manufacture of flat television, screens and computer monitors, Statement II: Some rare earth elements have phosphorescent properties. Which one of the following is correct in respect of the above statements?2025 · Prelims GS1 · Science & Technology · Science & Technology
Consider the following statements: I. Indian Railways have prepared a National Rail Plan(NRP) to create a future ready railway system by 2028. II. 'Kavach' an Automatic Train Protection system developed in collaboration with Germany. III. 'Kavach' system consists of RFID tags fitted on track in station section. Which of the statements given above are not correct?2025 · Prelims GS1 · Science & Technology · Science & Technology
Consider the following space missions: I. Axiom-4 II. SpaDeX III. Gaganyaan. How many of the space missions given above encourage and support micro-gravity research?2025 · Prelims GS1 · Science & Technology · Science & Technology
With reference to India's defence, consider the following pairs: Aircraft type: Description. I. Dornier-228: Maritime patrol aircraft II. IL-76: Supersonic combat aircraft III. C-17 Globemaster: Military transport aircraft. How many of the pairs given above are correctly matched?2025 · Prelims GS1 · Science & Technology · Science & Technology