Attempt this previous-year question. The correct option stays hidden until you choose.
Magnetite particles, suspected to cause neurodegenerative problems, are generated as environmental pollutants from which of the following?
1. Brakes of motor vehicles
2. Engines of motor vehicles
3. Microwave stoves within homes
4. Power plants
5. Telephone lines
Select the correct answer using the code given below
Pick an option to check yourself.
• Correct Answer: B
• Vehicle brake friction releases magnetite nanospheres; engine exhaust produces magnetite during high-temperature combustion.
• Power plants are prolific sources; microwave stoves and telephone lines are not significant magnetite sources.
Attempt Prelims MCQs or open Mains questions by paper — then continue the same bank inside the app with visual decks.
GyanGram