Breathing and Exchange of Gases — NEET/JEE Questions, Notes & Weightage
Class 11 Human Physiology NEET weightage: Very High 0 questions
Covers the human respiratory system, the mechanism of breathing (pressure changes), gas exchange and transport (O2/CO2), and respiratory volumes/capacities. Respiratory-volume numericals (tidal volume, vital capacity) and the oxygen dissociation curve are dependable NEET sources.
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Anatomy
35
Respiratory System
31
Surgery
30
Pathology
27
Physiology
26
Medicine
21
Pediatrics
21
Radiology
15
Thorax
13
Anaesthesia
12
Microbiology
12
All India exam
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11
miscellaneous
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9
Parasitology
8
New born infants
8
Unknown
7
G.I.T
6
Forensic Medicine
6
Respiration
5
Cardio thoracic surgery
5
General anatomy
5
Mycology
5
Cardiovascular system
5
Functional Anatomy - Respiratory System
5
Respiratory
4
Ophthalmology
4
General obstetrics
3
Heart, Circulation, and Blood
3
Oncology
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Airway
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C.V.S
3
Pharmacology
3
Hospital waste and disaster management, Occupational health
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Umblicial cord and diaphragm
3
Respiratory System Pa 1
3
Urology
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Kidney
3
Breast Cancer - Prognosis and Follow-Up
2
General pathology
2
Infection
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Surfaces and Grooves
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Upper Extremity
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Childhood tumors
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FMGE 2019
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Chemotherapy
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JIPMER 2018
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Infectious Disease
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Head and neck
2
Mechanics of Respiration
2
General
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Antepartum Haemorrhage
2
Breathing Systems
2
Haematology
2
Development of GU system and Neuro-vascular supply of pelvis & perineum
1
Integrated QBank
1
Acyanotic Congenital Heart Disease
1
Etiology: Carcinogenic Agents
1
Thorax And Mediastinum
1
Central Nervous system
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Respiratory Function
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Fluid and electrolytes
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Lung
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Antepaum Haemorrhage
1
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Sexual Offenses
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Urinary tract
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1
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general microbiology
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Disorders of Middle Ear (Otitis Media)
1
CNS Tumors
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Urethra & Penis
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Parasitology Pa 2 (Helminthology)
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Gynaecological oncology
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Abnormal labor
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Polycythemia
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Infant deaths & child abuse
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Respiratory System Pa 2
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Glomerular Diseases
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NEET 2019
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Larynx
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FMGE 2018
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Oesophagus
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Neoplasia
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Monitoring in Anesthesia
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Injuries by Explosives
1
Hepatic Tumors, Cysts, and Abscesses
1
Gastrointestinal Radiology
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Abdomen & Pelvis
1
Imaging of Interstitial Lung Disease
1
Genital Tract Infections (Too hot to handle!)
1
Osteology of Thorax
1
Other topics and Adverse effects
1
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1
Abdomen and pelvis
1
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1
Metastatic Tumors of Bone
1
Respiratory infections
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Blood Vessels of Thorax
1
Arterial Disorders
1
Prostate and seminal vesicles
1
Chemotherapy: General Principles
1
Neuroanatomy 3
1
Lungs & Pleura
1
Gestational Trophoblastic Disease
1
NEET Jan 2020
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ENT
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Natural family planning
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Twin Pregnancy, Molar Pregnancy, Gestational Trophoblastic disease and contraception in special situations (Sour Grapes!)
1
Sexually Transmitted Disease in the Female
1
Anti-Parasitic Drugs
1
Respiratory Tract Disorders
1
Asthma
1
Occupational Health
1
Fetal Assessment
1
Non-depolarising Neuromuscular Blocking Agents
1
Transplantation
1
Trauma
1
Radiation treatment planning
1
Miscellaneous Questions
1
Neuromuscular Junction
1
Cardiac and Pericardiac Imaging
1
Blood
1
Thoracic Duct & Esophagus
1
Contraceptives
1
General anaesthesia
1
Miscellaneous (Gynae)
1
Epidemiological Study
1
Fundamentals In Radiology
1
Family Planning
1
General physiology
1
Cardiovascular Radiology
1
Poisoning
1
Wilms Tumor
1
Frequently asked questions
Are respiratory volume numbers (tidal volume, vital capacity) really tested?
Yes — knowing the approximate values and how they combine (e.g. vital capacity = tidal + inspiratory reserve + expiratory reserve) is a recurring direct-recall question type.
What is the most important curve/graph in this chapter?
The oxygen-haemoglobin dissociation curve, and how factors like CO2 concentration and pH shift it, is the most frequently referenced graph-based concept.
How is CO2 transported in blood, and is that tested?
Yes — the three forms of CO2 transport (dissolved, as bicarbonate, bound to haemoglobin) and their approximate proportions are commonly asked.