Civil Services Uttar Pradesh (उत्तर प्रदेश) PCS Mock Test Series 2025 General Knowledge Ecology and Environment Environmental pollution
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.
1
1, 2, 3 and 5 only
2
1, 2 and 4 only
3
3, 4 and 5 only
4
1, 2, 3, 4 and 5