KCET 2022 Biology Solved Paper

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Question : 25 of 60

Marks: +1, -0

Particulates of ........... size pose greatest risk to human health.

Less than 7.5 micrometers in diameter
Less than 2.5 micrometers in diameter
Less than 4.5 micrometers in diameter
Less than 3.5 micrometers in diameter

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