Magnetite particles, suspected to cause neurodegenerative problems, are generated as environmental pollutants

Question

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:
(a) 1, 2, 3 and 5 only
(b) 1, 2 and 4 only
(c) 3, 4 and 5 only
(d) 1, 2, 3, 4 and 5

Learnup IAS · Accepted Answer

The correct answer is 2) 1, 2 and 4 only.