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Size of the particles according CPCB which causes irritation and premature death
- a)1.5 mm
- b)2.5 mm
- c)Particles less than size 2.5mm
- d)All of the above
Correct answer is option 'D'. Can you explain this answer?
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Size of the particles according CPCB which causes irritation and prema...
Acc to cpcb particles that are harmul or of size 2.5mm and less than 2.5 mm
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Size of the particles according CPCB which causes irritation and prema...
Understanding Particle Size and Health Risks
Air pollution is a significant health concern, particularly regarding particulate matter (PM). The Central Pollution Control Board (CPCB) in India identifies specific sizes of particles that can lead to health issues, including irritation and premature death.
Particle Size Categories
- **PM10**: Particles with a diameter of 10 micrometers or less can be inhaled and may cause respiratory issues.
- **PM2.5**: Particles with a diameter of 2.5 micrometers or less are particularly dangerous as they can penetrate deep into the lungs and even enter the bloodstream.
Health Effects of PM2.5
- **Irritation**: Exposure to PM2.5 can lead to significant respiratory irritation, including symptoms such as coughing, throat irritation, and shortness of breath.
- **Premature Death**: Long-term exposure to elevated levels of PM2.5 is linked to cardiovascular diseases, respiratory illnesses, and even increased mortality rates.
Why Option 'D' is Correct
- **Inclusive of All Sizes**: The correct answer states "Particles less than size 2.5 mm," which encompasses all sizes of particulate matter mentioned (1.5 mm, 2.5 mm, and smaller).
- **Health Risks Associated with All**: While PM2.5 is particularly harmful, other particles, including those less than 10 mm, also pose health risks. Therefore, recognizing all these particles as harmful is essential for public health awareness.
In conclusion, understanding the implications of particulate matter size is crucial for recognizing its potential harm to health, validating why option 'D' is the most comprehensive and correct answer.
Air pollution is a significant health concern, particularly regarding particulate matter (PM). The Central Pollution Control Board (CPCB) in India identifies specific sizes of particles that can lead to health issues, including irritation and premature death.
Particle Size Categories
- **PM10**: Particles with a diameter of 10 micrometers or less can be inhaled and may cause respiratory issues.
- **PM2.5**: Particles with a diameter of 2.5 micrometers or less are particularly dangerous as they can penetrate deep into the lungs and even enter the bloodstream.
Health Effects of PM2.5
- **Irritation**: Exposure to PM2.5 can lead to significant respiratory irritation, including symptoms such as coughing, throat irritation, and shortness of breath.
- **Premature Death**: Long-term exposure to elevated levels of PM2.5 is linked to cardiovascular diseases, respiratory illnesses, and even increased mortality rates.
Why Option 'D' is Correct
- **Inclusive of All Sizes**: The correct answer states "Particles less than size 2.5 mm," which encompasses all sizes of particulate matter mentioned (1.5 mm, 2.5 mm, and smaller).
- **Health Risks Associated with All**: While PM2.5 is particularly harmful, other particles, including those less than 10 mm, also pose health risks. Therefore, recognizing all these particles as harmful is essential for public health awareness.
In conclusion, understanding the implications of particulate matter size is crucial for recognizing its potential harm to health, validating why option 'D' is the most comprehensive and correct answer.
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