Which one of the following is not correct with regard to the harmful effects of particulate matter of the size 2.5 micro meters or less?A. It can cause respiratory problems.B. It can directly enter into our circulatory system.C. It can cause inflammation and damage to the lungsD. It can be inhaled into the lungs.

Which one of the following is not correct with regard to the harmful e

1.	Which one of the following is not correct with regard to the harmful effects of particulate matter of the size 2.5 micro meters or less?A. It can cause respiratory problems.B. It can directly enter into our circulatory system.C. It can cause inflammation and damage to the lungsD. It can be inhaled into the lungs.
Answer» Correct Answer - B According to CPCB (Ceniral Pollution Control Board) particulate size 2.5 micrometer or less in diameter (PM 2.5) are responsible for causing the greatest harm to human health. When these fine particulates can be inhaled deep into lungs then these can cause: I. Breathing and respiratory symptoms 2. Irritation, 3. Inflammation, 4. Damage to lungs and 5. Premature deaths

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