1
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
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 main function and / or characteristic. NEET 2013 Biology - Breathing and Exchange of Gases Question 23 English
A
A - Trachea - Long tube supported by complete cartilaginous rings for conducting inspired air.
B
C - Alveoli - Thin walled vascular bag like structures for exchange of gases.
C
B - Pleural membrane - Surround ribs on both sides to provide cushion against rubbing.
D
D - Lower end of lungs - Diaphragm pulls it down during inspiration.
2
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Change Language
People who have migrated from the planes to an area adjoining Rohtang Pass about six months back
A
have more RBCs and their haemoglobin has a lower binding affinity to O2
B
are not physically fit to play games like football
C
suffer from altitude sickness with symptoms like nausea,fatigue, etc.
D
have the usual RBC count but their haemoglobin has very high binding affinity to O2.
3
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following is the correct statement for respiration in humans?
A
Cigarette smoking may lead to inflammation of bronchi.
B
Neural signals from pneumotoxic centre in pons region of brain can increase the duration of inspiration.
C
Workers in grinding and stone-breaking industries may suffer, from lung fibrosis.
D
About 90% of carbon dioxide (CO2) is carried by haemoglobin as carbamino-haemoglobin.
4
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Bulk of carbon dioxide (CO2) released from body tissues into the blood is present as
A
bicarbonate in blood plasma and RBCs
B
free CO2 in blood plasma
C
70% carbamino-haemoglobin and 30% as bicarbonate
D
carbamino-haemoglobin in RBCs.
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