NEET 2021 Model Test Paper 4

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Question : 106 of 180

Marks: +1, -0

According to Central Pollution Control Board (CPCB) which size of particulate are responsible for causing the greatest harm to human health :-

2.5 micrometer or less than 2.5 micrometer
3.5 micrometer or less than 3.5 micrometer
4.5 micrometer or less than 4.5 micrometer
5.5 micrometer or less than 5.5 micrometer

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