Prelims GS 2024

Q. With reference to the Indian economy, “Collateral Borrowing and Lending Obligations” are the instruments of: (a) Bond market(b) Forex market(c) Money market(d) Stock marketCorrect answer: (c) Money market Question from UPSC Prelims 2024 GS Paper Explanation: Collateral Borrowing and Lending Obligations Collateral Borrowing and Lending Obligations (CBLO) are short-term instruments used in the money […]

Q. Membrane Bioreactors are often discussed in the context of: (a) Assisted reproductive technologies(b) Drug delivery nanotechnologies(c) Vaccine production technologies(d) Wastewater treatment technologiesCorrect answer: (d) Wastewater treatment technologies Question from UPSC Prelims 2024 GS Paper Explanation: Wastewater treatment technologies Membrane Bioreactors combine biological treatment processes (typically activated sludge) with membrane filtration. In this system, microorganisms

Q. Recently, the term “pumped-storage hydropower” is actually and appropriately discussed in the context of which one of the following? (a) Irrigation of terraced crop fields(b) Lift irrigation of cereal crops(c) Long duration energy storage(d) Rainwater harvesting systemCorrect answer: (c) Long duration energy storage Question from UPSC Prelims 2024 GS Paper Explanation: Long duration energy

Q. Which one of the following is the exhaust pipe emission from Fuel Cell Electric Vehicles, powered by hydrogen? (a) Hydrogen peroxide(b) Hydronium(c) Oxygen(d) Water vapourCorrect answer: (d) Water vapour Question from UPSC Prelims 2024 GS Paper Explanation: Fuel Cell Electric Vehicles Here’s an explanation of why water vapour is the exhaust emission from Fuel

Q. In which of the following are hydrogels used? 1. Controlled drug delivery in patients2. Mobile air-conditioning systems3. Preparation of industrial lubricants Select the correct answer using the code given below:(a) 1 only(b) 1 and 2 only(c) 2 and 3 only(d) 1, 2 and 3Correct answer: (d) 1, 2 and 3 Question from UPSC Prelims

Q. Consider the following aircraft:1. Rafael2. MiG-293. Tejas MK-1 How many of the above are considered fifth generation fighter aircraft? (a) Only one(b) Only two(c) All three(d) NoneCorrect answer: (d) None Question from UPSC Prelims 2024 GS Paper Explanation: Fifth-generation fighters Fifth-generation fighters are characterized by:– Stealth technology– Advanced avionics– Highly integrated computer systems– Networked

Q. Consider the following activities:1. Identification of narcotics on passengers at airports or in aircraft2. Monitoring of precipitation3. Tracking the migration of animals In how many of the above activities can the radars be used? (a) Only one(b) Only two(c) All three(d) NoneCorrect answer: (b) Only two Question from UPSC Prelims 2024 GS Paper Explanation:

Q. Which one of the following is synthesized in the human body that dilates blood vessels and increases blood flow? (a) Nitric oxide(b) Nitrous oxide(c) Nitrogen dioxide(d) Nitrogen pentoxideCorrect answer: (a) Nitric oxid Question from UPSC Prelims 2024 GS Paper Explanation: Nitric oxide Nitric oxide (NO) is indeed synthesized in the human body and plays

Q. Consider the following statements: Statement-I: Giant stars live much longer than dwarf stars.Statement-II: Compared to dwarf stars, giant stars have a greater rate of nuclear reactions. Which one of the following is correct in respect of the above statements?(a) Both Statement-I and Statement-II are correct and Statement-II explains Statement-I(b) Both Statement-I and Statement-II are

Q. With reference to radioisotope thermoelectric generators (RTGs), consider the following statements: 1. RTGs are miniature fission reactors2. RTGs are used for powering the onboard systems of spacecrafts.3. RTGs can use Plutonium-238, which is a by-product of weapons development. Which of the statements given above are correct?(a) 1 and 2 only(b) 2 and 3 only(c)