MCQ ON RESPIRATORY VOLUMES AND CAPACITIES class 11 for NEET | RESPIRATORY VOLUMES AND CAPABILITIES class 11| MCQ RESPIRATORY VOLUMES AND CAPACITIES with Answer | Check the below NCERT MCQ question for class 11Biology based on the with Answers.
MCQ on RESPIRATORY VOLUMES AND CAPACITIES class 11Biology with answers were prepared based on the latest pattern.We have provided class 11 Biology MCQs question with Answers to help students understand the concept very well.
MCQ ON RESPIRATORY VOLUMES AND CAPACITIES is useful for NEET / CSIR / UGC / CBSE / ICSE / AIIMS / EXAM / AFMC EXAM / STATE LEVEL MEDICAL EXAM/ KVS PGT BIOLOGY / NVS PGT BIOLOGY EXAM 2023-2024 ,2025
INTRODUCTION:-
RESPIRATORY VOLUMES AND CAPACITIES
TIDAL VOLUME:-
Volume of air inspired or expired during a normal respiration. A healthy man can inspire or expire approximately 6000- 8000 ml of air per minute.
Respiratory reserve volume;-additional volume of air a person can inspire by a forcible inspiration.This average 2500-3000 mL
Expiratory reserve volume :-
Additional volume of air a person can expire by forcible expiration.
This average 1000 mL to 1100 mL.
Human beings have a significant ability to maintain and moderate the respiratory rhythm to suit the demands of the body tissues.
This is done by the neural system. Specialised centre present in the medulla region of the brain called respiratory rhythm center is primarily responsible for this regulation.
Another center present in the pons region of the brain called pneumotaxic centre can moderate the functions of respiratory rhythm centre. Neural signal from the centre can reduce the duration of inspiration and thereby altered respiratory rate.
Disorders of respiratory systems:-
Asthma:-it is difficulty in breathing of causing wheezing due to inflammation of bronchi and bronchioles.
Emphysema:- It is a chronic disorder in which alveolar walls are damaged due to which respiratory surface is decreased.
TRANSPORT OF GASES:-
Blood is the medium of transport for Oxygen and Carbon dioxide. About 97% of oxygen is transported by RBC in the blood. The remaining 3% of oxygen is carried in a dissolve state through the plasma. Nearly 20 to 25% of carbon dioxide is transported by RBCs where is 20% of it is carried as bicarbonate. About 7% of carbon dioxide is carried in a dissolve state through plasma.
TRANSPORT OF OXYGEN :-
Hemoglobin is red color iron containing pigment present in the RBCs. Oxygen can bind with hemoglobin in reversible manners to form oxyhemoglobin. Each hemoglobin molecule can carry a maximum of for molecules of oxygen. Binding of oxygen with hemoglobin is primarily related to partial pressure of oxygen molecule.
Partial pressure of carbon dioxide, hydrogen ions concentration, and temperature are the orther factors which can interfere with this binding.
Sigmoid curve is obtained when percentage saturation of hemoglobin with oxygen is plotted against the pO2.This curve is called the oxygen dissociation curve .
And is highly useful in studying the effect of factors like pressure of carbon dioxide hydrogen ions concentration on binding of oxygen molecule with hemoglobin.
TRANSPORT OF CARBON DIOXIDE:-
Carbon dioxide is carried by hemoglobin as Carbamino-haemoglobin . This binding is related to the partial pressure of carbon dioxide.
po2 is a major factor which could affect this binding.When pco2 is high and po2 is low as in tissues, more binding of Carbon dioxide occurs whereas , when the pco2 is low and po2 is high as in the alveoli, dissociation of CO2 from carbamino-haemoglobin takes place.
MCQ RESPIRATORY VOLUMES AND CAPACITIES class 11 for NEET/KVS PGT BIOLOGY / NVS PGT BIOLOGY EXAM 2023-2024,2025
1. Volume of air inspired or expired during a normal respiration.
(a) Tidal volume
(b) inspiratory reserve volume.
(c) Expiratory reserve volume
(d) All the above
Ans (a) Tidal volume
2. Additional volume of air a person can inspire by a forcible inspiration is called
(a) Tidal volume
(b) inspiratory reserve volume
(c) Expiratory reserve volume
(d) all the above
Ans. (b) Inspiratory reserve volume
3. Additional volume of air a person can expire by forcible expression is called
(a) Expiratory reserve volume
(b) Tidal Volume
(c) Inspiratory reserve volume
(d) all the above
Ans. (a) Expiratory reserve volume
4. Volume of air remaining in the lungs even after a forcible expiration .
(a) Residual volume
(b) Inspiratory Capacity
(c) Expiratory capacity
(d) Vital capacity
Ans.(a) Residual volume
5. Total volume of air a person can inspire after a normal expiration.
(a) Residual volume
(b) Inspiratory Capacity
(c) Expiratory Capacity
(d) Vital capacity
Ans.(b) Inspiratory Capacity
6. Total volume of air a person can expire after a normal inspiration.
(a) Residual volume
(b) Inspiratory Capacity
(c) Expiratory capacity
(d) tidal volume
Ans.(c) Expiratory capacity
7. Volume of air that will remain in the lungs after a normal expiration
(a) functional residual capacity
(b) vital capacity
(c) total lung capacity
(d) residual volume
Ans.(a) functional residual capacity
8.The maximum volume of air a person can breathe in after a forced expiration.
(a) Vital capacity
(b) total lung capacity
(c) residual volume
(d) tidal volume
Ans.(a) vital capacity
9. Total volume of air accomodated in the lungs at the end of a forced inspiration.
(a) residual volume
(b) lung capacity
(c) tidal volume
(d) total lung capacity
Ans. (d) total lung capacity
10. The primary sites of exchange of fears.
(a) heart
(b) alveoli
(c) liver
(d) all the above
Ans. (b) alveoli
11. Volume of air inspired or expired during a normal respiration .
(a) 6000-8000 ml
(b) 2500-3000 ml
(c) 1000-1100 ml
(d) all the above
Ans.(a) 6000-8000 ml
12.Additional volume of air a person can inspire by a forcible inspiration.This average value is
a) 2500 – 3000 mL
b) 6000-8000 mL
c) 1000-1100 mL
(d) all the above
Ans . (a) 2500-3000 mL
13.Additional volume of air a person can expire by a forcible expiration.This averages
(a) 2500-3000 mL
(b) 1000-1100 mL
(c) 6000-8000 mL
(d) all the above
Ans.(b) 1000-1100 mL
14. On an average, a healthy human breathes ……….times per minute
(a) 20-25 times per minute
(b) 12-16 times per minute
(c) 10-15 times per minute
(d) 10-20 times per minute
Ans. (b) 12 – 16 times per minute
15.The volume of air involved in breathing movements can be estimated by using a …………..which helps in clinical assessment of pulmonary functions.
(a) spirometer
(b) sphygmomanometer
(c) stethoscope
(d) all the above
Ans.(a) spirometer
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16. The lungs are situated in the
(a) thoracic chamber
(b) cardiovascular
(c) epicardium
(d) pleura
Ans.(a) thoracic chamber
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