UPSC CSE · Science and Technology
UPSC Prelims Miscellaneous Science and Technology Questions (Science and Technology): PYQs with Answers
20 UPSC Prelims questions on Miscellaneous Science and Technology (Science and Technology) from 2011–2026, newest first. 2025 had the most (4). Difficulty: 20% easy, 45% medium and 35% hard.
- Aircraft Black BoxesWhich of the following statements with regard to Black Boxes used in modern aircrafts is/are correct?
- Deep Ocean MissionWhich of the following statements with regard to India's Deep Ocean Mission is/are correct?
- Alternative Powertrain VehiclesConsider the following types of vehicles:
- Ev Battery MaterialsIn the context of electric vehicle batteries, consider the following elements:
- Rare Earth Elements ElectronicsConsider the following statements:
- National Rail PlanConsider the following statements:
- Fuel Cell Vehicle EmissionsWhich one of the following is the exhaust pipe emission from Fuel Cell Electric Vehicles, powered by hydrogen?
- Carbon FibresConsider the following statements:
- Drone ApplicationsConsider the following activities:
- Solar Water PumpsWith reference to solar water pumps, consider the following statements:
- Belle II Blockchain CRISPR ContextsConsider the following pairs: Terms sometimes seen in news Context/Topic
- Solar Power IndiaWith reference to solar power production in India, consider the following statements:
- Additive Manufacturing Applications3D printing' has applications in which of the following?
- Man Who Knew InfinityA recent movie titled The Man Who Knew Infinity is based on the biography of
- Packaged Food Label RequirementsWith reference to pre-packaged items in India, it is mandatory to the manufacturer to put which of the following information on the main label, as per the Food Safety…
- National Innovation FoundationWhich of the following statements is/are correct regarding National Innovation Foundation-India (NIF)?
- Solar Photovoltaics Solar ThermalWith reference to technology for solar power production, consider the following statements:
- Rare Earth MetalsRecently, there has been a concern over the short supply of a group of elements called ‘rare earth metals’. Why?
- Microbial Fuel CellsMicrobial fuel cells are considered a source of sustainable energy. Why?
- CFL vs LEDWhat is the difference between a CFL and an LED lamp?