Respiratory Disorders - III Recommended PYQs (STRICTLY NCERT Based) Breathing and Exchange of Gases Zoology NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers, NEETprep,neet questions, neet practice questions, neet practice paper,neetprep, neetprep practice questions, mock test neet, neet physics questions, neet mcq, neet questions with answers, neet questions with explanations,NEET attempt,NEET test series, AIIMS Delhi preparation,NEET rank rewards, NTA level NEET questions, NEET online coaching,physicswallah neet, physicswala neet,allen neet, akash neet, physics online course, chemistry online course,biology online course, zoology online course, botany online course, Aryan Raj Singh NEET course

Which one of the following is the correct statement for respiration in humans?

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

Subtopic: Respiratory Disorders - III |

77%

Level 2: 60%+

AIPMT - 2012

Hints