1
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Change Language
When you hold your breath, which of the following gas changes in blood would first lead to the urge to breathe?
A
Falling CO2 concentration
B
Rising CO2 and falling O2 concentration
C
Falling O2 concentration
D
Rising CO2 concentration
2
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
Approximately seventy percent of carbon-dioxide absorbed by the blood will be transported to the lungs
A
as bicarbonate ions
B
in the from of dissolved gas molecules
C
by binding to R.B.C.
D
as carbamino - haemoglobin.
3
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 22 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.
4
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.
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