Details of Breathing and Exchange of Gases Biology Quiz for NEET
| No. of Questions in Quiz | 25 with Explanation |
| Time for each Questions | 60 Seconds |
| Attempts Allowed | Unlimited |
| Available | Always |
| Pass Percentage | 70 % |
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#1. Which of the following options correctly represents the lung conditions in asthma and emphysema, respectively?
#2. Which of the following is an occupational respiratory disorder?
#3. Lungs are made up of air-filled sacs the alveoli. They do not collapse even after forceful expiration, because of
#4. The partial pressure of oxygen in the alveoli of the lungs is
Partial pressure of oxygen in alveoli of lungs is 104 mm of Hg that is more than that of blood in pulmonary artery (40 mm of Hg).
#5. Lungs do not collapse between breaths and some air always remains in the lungs which can never be expelled because
#6. Name the chronic respiratory disorder caused mainly by cigarette smoking
Emphysema is characterised by inflation of alveoli which is mainly due to chronic cigarette smoking.
#7. Reduction in pH of blood will
Reduction in pH of blood favours the dissociation of oxyhemoglobin.
#8. Asthma may be attributed to
#9. When you hold your breath, which of the following gas changes in blood would first lead to the urge to breathe?
#10. Approximately seventy percent of carbon-dioxide absorbed by the blood will be transported to the lungs
#11. A large proportion of oxygen is left unused in the human blood even after its uptake by the body tissues. This O2
#12. Bulk of carbon dioxide (CO2) released from body tissues into the blood is present as
#13. What is vital capacity of our lungs?
Vital capacity is the maximum volume of air a person can breathe in after a forceful expiration.
Vital capacity (VC) = Total lung capacity – Residual volume
#14. Which group of animals respire through lungs?
#15. Skin of man cannot act as a respiratory organ because
#16. What is the function of respiratory part of human respiratory system?
#17. Ventrally and laterally, the thoracic chamber is formed by
Thoracic cavity is formed :
Dorsally – By the vertebral column
Ventrally – By the sternum
Laterally – By the ribs
#18. Which of the following prevents collapsing of trachea?
Trachea is lined by C-shaped cartilagenous ring, which prevents the collapsing of trachea.
#19. Number of alveoli in the human lungs has been estimated to be approximately
There are approximately 600 – 800 million alveoli in the two lungs of a human being
Nice questions but add previous year question,statement based question ,a& r question which can help for students to learn more
the questions are not based on NCERT. flawed question