AIPMT 2012 Biology Solved Paper

Question : 85 of 100

Marks: +1, -0

Which one of the following is the correct statement for respiration in human

Cigarette smoking may lead of inflammation of bronchi
Neural signals from pneumotaxic centre in pons region of brain can increase the duration of inspiration
Workers in grinding and stone - breaking industries may suffer, from lung fibrosis
About 90% of carbon dioxide (CO2) is carried by haemoglobin as carbamino haemoglobin

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