Breathing and Exchange of Gases MCQs | NCERT Biology
Chapter-wise MCQs on 'Breathing and Exchange of Gases' for NEET Examination, based on NCERT Biology Class-11 (Chapter-14) with Answer Key and Solutions.
1.
Read the book NCERT Biology class-11 (chapter- 14): Breathing and Exchange of Gases from here.
1. Question
A chronic disorder characterised by damage to alveolar walls and decrease in respiratory surface is:
Asthma
Emphysema
Addison's disease
Muscular dystrophy
Correct Answer
Wrong Answer
2. Question
Match the column - I with column - II and select the correct option from the codes given below :
| Column I | Column II |
|---|---|
| A. Tidal volume | (i) 2500 - 3000 mL of air |
| B. Inspiratory reserve | (ii) 1000 mL of air volume |
| C. Expiratory reserve | (iii) 500 mL of air volume |
| D. Residual volume | (iv) 4000 - 4600 mL of air |
| E. Vital capacity | (v) 1100 - 1200 mL of air |
A-(iii), B-(iv), C-(ii), D-(i), E-(v)
A-(iii), B-(i), C-(ii), D-(v), E-(iv)
A-(iii), B-(i), C-(iv), D-(v), E-(ii)
A-(v), B-(i), C-(ii), D-(iii), E-(iv)
Correct Answer
Wrong Answer
3. Question
Assertion (A): The respiratory pathway consider as an amphibolic pathway rather than as a catabolic one.
Reason (R): The respiratory pathway is involved in both anabolism and catabolism.
Both (A) and (R) are true but (R) is not the correct explanation of (A)
(A) is true but (R) is false
(A) is false but (R) is true
Both (A) and (R) are true and (R) is the correct explanation of (A)
Correct Answer
Wrong Answer
4. Question
Given below are two statements :
Statement I: Alfonso corti began his scientific career studying the cardiovascular system of reptiles.
StatementII : Alfonso corti, American Anatomist, was born in 1822.
Choose the most appropriate answer from the options given below
Both Statement I and Statement II are incorrect
Statement I is correct but Statement II is incorrect
Statement I is incorrect but Statement II is correct
Both Statement I and Statement II are correct
Correct Answer
Wrong Answer
5. Question
Which statement is true:
- In blood CO2 comparatively diffuse easily because of its high solubility.
- Approximately 18-19% CO2 is transported by plasma.
- CO2 diffuses into blood passes into RBCs and reacts with H2O to form H2CO3.
- Chloride ions diffuse from plasma into RBCs to maintain ionic balance.
a, b and c
a, c and d
b, c and d
b and d only
Correct Answer
Wrong Answer
6. Question
Inspiration can occur if the intra-pulmonary pressure is :
Less than the atmospheric pressure
More than the atmospheric pressure
Equal to the atmospheric pressure
Positive pressure in the lungs with respect to atmospheric pressure
Correct Answer
Wrong Answer
7. Question
Under normal condition every 100 ml of oxygenated blood can deliver how much ml O2 to tissues:
15 ml
19.8 ml
15–20 ml
5 ml
Correct Answer
Wrong Answer
8. Question
Which of the following is/are the steps of respiration in human?
Diffusion of gases (O2 and CO2) across alveolar membrane
Transport of gases by the blood
Diffusion of O2 and CO2 between blood and tissues
All
