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Previous year question hub

Breathing And Exchange Of Gases - Zoology - Biology Previous Year Questions

Practice Breathing And Exchange Of Gases - Zoology - Biology previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

27Papers
20Years
51Questions
1Topics

Breathing And Exchange Of Gases question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Breathing And Exchange Of Gases. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Not classified 47 92.2%
Easy 4 7.8%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

Multiple Choices 51 100%

Subject weightage

Top subjects by unique question coverage.

Biology
51 Qs

Most asked topics

Top topics across the included previous year papers.

Zoology
51 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Breathing And Exchange Of Gases
51 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

NEET 2026
3 Qs
RE-NEET 2026
2 Qs
NEET 2025
1 Qs
NEET 2024
2 Qs
NEET 2024 RE EXAMINATION
2 Qs
NEET 2023 MANIPUR
2 Qs
NEET 2023
1 Qs
NEET 2022 Phase 1
2 Qs
NEET 2022 PHASE 2
2 Qs
NEET 2021
3 Qs
NEET 2020 PHASE 1
2 Qs
NEET 2019
1 Qs
NEET 2018
3 Qs
NEET 2017
1 Qs
NEET 2016 PHASE 1
3 Qs
NEET 2016 PHASE 2
2 Qs
AIPMT 2015
1 Qs
AIPMT 2015 Cancelled Paper
1 Qs
AIPMT 2014
1 Qs
NEET 2013
1 Qs
AIPMT 2012 PRELIMS
2 Qs
AIPMT 2011 MAINS
2 Qs
AIPMT 2011 PRELIMS
2 Qs
AIPMT 2010 PRELIMS
2 Qs
AIPMT 2009
2 Qs
AIPMT 2006
3 Qs
AIPMT 2004
2 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
NEET 202620263View paper
RE-NEET 202620262View paper
NEET 202520251View paper
NEET 202420242View paper
NEET 2024 RE EXAMINATION20242View paper
NEET 202320231View paper
NEET 2023 MANIPUR20232View paper
NEET 2022 Phase 120222View paper
NEET 2022 PHASE 220222View paper
NEET 202120213View paper
NEET 2020 PHASE 120202View paper
NEET 201920191View paper
NEET 201820183View paper
NEET 201720171View paper
NEET 2016 PHASE 120163View paper
NEET 2016 PHASE 220162View paper
AIPMT 201520151View paper
AIPMT 2015 Cancelled Paper20151View paper
AIPMT 201420141View paper
NEET 201320131View paper
AIPMT 2012 PRELIMS20122View paper
AIPMT 2011 MAINS20112View paper
AIPMT 2011 PRELIMS20112View paper
AIPMT 2010 PRELIMS20102View paper
AIPMT 200920092View paper
AIPMT 200620063View paper
AIPMT 200420042View paper

All Breathing And Exchange Of Gases previous year questions

Practice every matching question in batches of 20, with every available option.

1
2004 · Biology · Zoology · Breathing And Exchange Of Gases
AIPMT 2004
When CO2 concentration in blood increases breathing becomes
A
shallower and slow
B
there is no effect on breathing
C
slow and deep
D
faster and deeper
Open complete paper
2
2004 · Biology · Zoology · Breathing And Exchange Of Gases
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 correct?
The patient has been inhaling polluted air containing unusually high content of
A
carbon disulphide
B
chloroform
C
carbon dioxide
D
carbon monoxide.
Open complete paper
3
2006 · Biology · Zoology · Breathing And Exchange Of Gases
AIPMT 2006
The majority of carbon dioxide produced by our body cells is transported to the lungs as
A
attached to haemoglobin
B
dissolved in the blood
C
as bicarbonates
D
as carbonates.
Open complete paper
4
2006 · Biology · Zoology · Breathing And Exchange Of Gases
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 million. This is because at high altitude
A
people eat more nutritive food, therefore more RBCs are formed
B
people get pollution-free air to breath and more oxygen is available
C
atmospheric O2 level is less and hence more RBCs are needed to absorb the required amount of O2 to survive
D
there is more UV radiation which enhances RBC production.
Open complete paper
5
2006 · Biology · Zoology · Breathing And Exchange Of Gases
AIPMT 2006
Which one of the following statements is incorrect?
A
The principle of countercurrent flow facilitates efficient respiration in gills of fishes.
B
The residual air in lungs slightly decreases the efficiency of respiration in mammals.
C
The presence of non-respiratory air sacs, increases the efficiency of respiration in birds.
D
In insects, circulating body fluids serve to distribute oxygen to tissues.
Open complete paper
6
2009 · Biology · Zoology · Breathing And Exchange Of Gases
AIPMT 2009
What is vital capacity of our lungs?
A
Inspiratory reserve volume plus expiratory reserve volume
B
Total lung capacity minus residual volume
C
Inspiratory reserve volum plus tidal volume
D
Total lung capacity minus expiratory reserve volume
Open complete paper
7
2009 · Biology · Zoology · Breathing And Exchange Of Gases
AIPMT 2009
The haemoglobin of a human foetus
A
has only 2 protein subunits instead of 4
B
has a higher affinity for oxygen than that of an adult
C
has a lower affinity for oxygen than that of the adult
D
its affinity for oxygen is the same as that of an adult.
Open complete paper
8
2010 · Biology · Zoology · Breathing And Exchange Of Gases
AIPMT 2010 PRELIMS
What is true about RBCs in humans?
A
They carry about 20-25 percent of CO2.
B
They transport 99.5 percent of O2.
C
They transport about 80 percent oxygen only and the rest 20 percent of it is transported in dissolved state in blood plasma
D
They do not carry CO2 at all.
Open complete paper
9
2010 · Biology · Zoology · Breathing And Exchange Of Gases
AIPMT 2010 PRELIMS
Listed below are four respiratory capacities (i \(-\) iv) and four jumbled respiratory volumes of a normal human adult.

Respiratory
capacities		 Respiratory
volumes
(i) Residual volume 2500 mL
(ii) Vital capacity 3500 mL
(iii) Inspiratory reserve
volume		 1200 mL
(iv) Inspiratory capacity 4500 mL

Which one of the following is the correct matching of two capacities and volumes?
A
(ii) 2500 mL,   (iii) 4500 mL
B
(iii) 1200 mL,   (iv) 2500 mL
C
(iv) 3500 mL,   (i) 1200 mL
D
(i) 4500 mL,   (ii) 3500 mL
Open complete paper
10
2011 · Biology · Zoology · Breathing And Exchange Of Gases
AIPMT 2011 MAINS
Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort?
A
One can breathe out air totally without oxygen.
B
One can breathe out air through Eustachian tube by closing both nose and mouth.
C
One can consciously breathe in and breathe out by moving the diaphragm alone, without moving the ribs at all.
D
The lungs can be made fully empty by forcefully breathing out all air from them.
Open complete paper
11
2011 · Biology · Zoology · Breathing And Exchange Of Gases
AIPMT 2011 MAINS
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.
Open complete paper
12
2011 · Biology · Zoology · Breathing And Exchange Of Gases
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 or D) correctly identified along with its function. AIPMT 2011 Prelims Biology - Breathing and Exchange of Gases Question 27 English
A
D : capillary wall - exchange of O2 and CO2 takes place here
B
B : red blood cells - transport of CO2 mainly.
C
A : alveolar cavity - main site of exchange of respiratory gases
D
C : arterial capillary - passes oxygen to tissues
Open complete paper
13
2011 · Biology · Zoology · Breathing And Exchange Of Gases
AIPMT 2011 PRELIMS
A large proportion of oxygen remains unused in the human blood even after its uptake by the body tissues. This O2
A
acts as a reserve during muscular exercise
B
raises the pCO2 of blood to 75 mm of Hg.
C
is enough to keep oxyhaemoglobin saturation at 96%
D
helps in releasing more O2 to the epithelial tissues.
Open complete paper
14
2012 · Biology · Zoology · Breathing And Exchange Of Gases
AIPMT 2012 PRELIMS
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.
Open complete paper
15
2012 · Biology · Zoology · Breathing And Exchange Of Gases
AIPMT 2012 PRELIMS
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.
Open complete paper
16
2014 · Biology · Zoology · Breathing And Exchange Of Gases
AIPMT 2014
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.
Open complete paper
17
2015 · Biology · Zoology · Breathing And Exchange Of Gases
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.
A
Pneumonia
B
Asthma
C
Pleurisy
D
Emphysema
Open complete paper
18
2013 · Biology · Zoology · Breathing And Exchange Of Gases
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 main function and / or characteristic. NEET 2013 Biology - Breathing and Exchange of Gases Question 28 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.
Open complete paper
19
2016 · Biology · Zoology · Breathing And Exchange Of Gases
NEET 2016 PHASE 1
Reduction in pH of blood will
A
decrease the affinity of haemoglobin with oxygen
B
release bicarbonate ions by the liver
C
reduce the rate of heart beat
D
reduce the blood supply to the brain.
Open complete paper
20
2016 · Biology · Zoology · Breathing And Exchange Of Gases
NEET 2016 PHASE 1
Name the chronic repiratory disorder caused mainly by cigarette smoking.
A
Respiratory acidosis
B
Respiratory alkalosis
C
Emphysema
D
Asthma
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Showing 20 of 51 questions