1
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
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
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
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 19 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
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.
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