Breathing and Exchange of Gases · Biology · NEET

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MCQ (Single Correct Answer)

NEET 2024
Match List I with List II: .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-famil...
NEET 2024
Which of the following factors are favourable for the formation of oxyhaemoglobin in alveoli?
NEET 2023 Manipur
Select the sequence of steps in Respiration. (A) Diffusion of gases (O2 and CO2) across alveolar membrane. (B) Diffusion of O2 and CO2 between blood ...
NEET 2023 Manipur
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : A person goes to high a...
NEET 2023
Vital capacity of lung is ________.
NEET 2022 Phase 2
Identify the region of human brain which has pneumotaxic centre that alters respiratory rate by reducing the duration of inspiration.
NEET 2022 Phase 2
Which of the following statements are correct with respect to vital capacity? (a) It includes ERV, TV and IRV (b) Total volume of air a person can ins...
NEET 2022 Phase 1
Under normal physiological conditions in human being every 100 ml of oxygenated blood can deliver ____________ ml of O2 to the tissues....
NEET 2022 Phase 1
Which of the following is not the function of conducting part of respiratory system?
NEET 2021
Select the favourable conditions required for the formation of oxyhaemoglobin at the alveoli.
NEET 2021
The partial pressures (in mm Hg) of oxygen (O2) and carbon dioxide (CO2) at alveoli (the site of diffusion) are :
NEET 2021
Assertion (A) : A person goes to high altitude and experiences 'altitude sickness' with symptoms like breathing difficulty and heart palpitations.Reas...
NEET 2020 Phase 1
Select the correct events that occur during inspiration. (i) Contraction of diaphragm (ii) Contraction of external inter-costal muscles (iii) Pulmonar...
NEET 2020 Phase 1
Identify the wrong statement with reference to transport of oxygen.
NEET 2019
Tidal Volume and Expiratory Reserve Volume of an athlete is 500 mL and 1000 mL respectively. What will be his Expiratory Capacity if the Residual Volu...
NEET 2019
Respiratory Quotient (RQ) value of tripalmitin is :
NEET 2018
Match the items given in column I with those in column II and select the correct option given below. .tg {border-collapse:collapse;border-spacing:0;...
NEET 2018
Which of the following options correctly represents the lung conditions in asthma and emphysema, respectively?
NEET 2018
Which of the following is an occupational respiratory disorder?
NEET 2017
Lungs are made up of air-filed sacs, the alveoli. The do not collapse even after forceful expiration, because of
NEET 2016 Phase 2
The partial pressure of oxygen in the alveoli of the lungs is
NEET 2016 Phase 2
Lungs do not collapse between breaths and some air always remains in the lungs which can never be expelled because
NEET 2016 Phase 1
Asthma may be attributed to
NEET 2016 Phase 1
Reduction in pH of blood will
NEET 2016 Phase 1
Name the chronic repiratory disorder caused mainly by cigarette smoking.
AIPMT 2015
Name the pulmonary disease in which alveolar surface area involved in gas exchage is drastically reduced due to damage in the alveolar walls.
AIPMT 2015 Cancelled Paper
When you hold your breath, which of the following gas changes in blood would first lead to the urge to breathe?
AIPMT 2014
Approximately seventy percent of carbon-dioxide absorbed by the blood will be transported to the lungs
NEET 2013
The figure shows a diagrammatic view of human respiratory system with labels A, B, C and D. Select the option which gives correct identification and m...
AIPMT 2012 Prelims
Which one of the following is the correct statement for respiration in humans?
AIPMT 2012 Prelims
People who have migrated from the planes to an area adjoining Rohtang Pass about six months back
AIPMT 2011 Mains
Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort?
AIPMT 2011 Mains
Bulk of carbon dioxide (CO2) released from body tissues into the blood is present as
AIPMT 2011 Prelims
A large proportion of oxygen remains unused in the human blood even after its uptake by the body tissues. This O2
AIPMT 2011 Prelims
The figure given below shows a small part of human lung where exchange of gases takes place. Select the option which represents labelled part (A, B, C...
AIPMT 2010 Prelims
What is true about RBCs in humans?
AIPMT 2010 Prelims
Listed below are four respiratory capacities (i $$-$$ iv) and four jumbled respiratory volumes of a normal human adult. .tg {border-collapse:collaps...
AIPMT 2009
The haemoglobin of a human foetus
AIPMT 2009
What is vital capacity of our lungs?
AIPMT 2006
The majority of carbon dioxide produced by our body cells is transported to the lungs as
AIPMT 2006
Which one of the following statements is incorrect?
AIPMT 2006
People living at sea level have around 5 million RBC per cubic millimeter of their blood whereas those living at altitude to 5400 metres have around 8...
AIPMT 2004
Blood analysis of a patient reveals an unusually high quantity of carboxyhaemoglobin content. Which of the following conclusions is most likely to be ...
AIPMT 2004
When CO2 concentration in blood increases breathing becomes
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