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MCQ (Single Correct Answer)

UPSC Civil Service Prelims Paper I 2024 (General Studies)
With reference to perfluoroalkyl and polyfluoroalkyl substances (PFAS) that are used in making many consumer products, consider the following statemen...
UPSC Civil Service Prelims Paper I 2024 (General Studies)
Which one of the following is the exhaust pipe emission from Fuel Cell Electric Vehicles, powered by hydrogen?
UPSC Civil Service Prelims Paper I 2023 (General Studies)
Consider the following: 1. Aerosols 2. Foam agents 3. Fire retardants 4. Lubricants In the making of how many of the above are hydroflu...
UPSC Civil Service Prelims Paper I 2022 (General Studies)
With reference to India, consider the following statements : 1. Monazite is a source of rare earths. 2. Monazite contains thorium. 3. Monazite occu...
UPSC Civil Service Prelims Paper I 2022 (General Studies)
With reference to polyethylene terephthalate, the use of which is so widespread in our daily lives, consider the following statements : 1. Its fibres...
UPSC Civil Service Prelims Paper I 2021 (General Studies)
Water can dissolve more substances than any other liquid because
UPSC Civil Service Prelims Paper I 2021 (General Studies)
Bisphenol A (BPA), a cause of concern, is a structural/key component in the manufacture of which of the following kinds of plastics?
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