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
Answer:
B
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Explanation:
Magnetite particles, which are suspected to cause neurodegenerative problems, are generated as environmental pollutants from the brakes and engines of motor vehicles, supporting statements 1 and 2.
There is no evidence to suggest that magnetite particles are generated from microwave stoves within homes or telephone lines, so statements 3 and 5 are incorrect.
Magnetite particles can also be generated from power plants, which aligns with statement 4.
Therefore, the correct answer is (b) 1, 2, and 4 only.