AIPMT PRELIMS2012Zoology-Respiration in Organisms
AIPMT PRELIMS 2012 Zoology Human Respiratory System MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which one of the following is the correct statement for respiration in humans?
A
About 90% of carbon dioxide (CO₂) is carried by haemoglobin as carbamino-haemoglobin
B
Cigarette smoking may lead to inflammation of bronchi
C
Neural signals from pneumotaxic centre in pons region of brain can increase the duration of inspiration
D
Workers in grinding and stone-breaking industries may suffer, from lung fibrosis.
Correct Answer
Option D
Detailed Explanation
Lung fibrosis is a condition that can occur due to prolonged exposure to dust in industries like grinding and stone-breaking.
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