- 1(current)
Q. No.How many of the stated functions are performed by conducting part of human respiratory system?
(a) Clearing the incoming air by trapping dust particles present in it.
(b) Diffusion of O2 and CO2 between blood and atmospheric air.
(c) Conducting air from external nostrils upto bronchioles.
(d) Bringing the temperature of air upto the body temperature.
(e) Making the incoming air humid by providing moisture produced by epithelium of nasal cavities.
(f) Transporting the atmospheric air to the alveoli.
1. Six
2. Four
3. Five
4. Three
(a) Clearing the incoming air by trapping dust particles present in it.
(b) Diffusion of O2 and CO2 between blood and atmospheric air.
(c) Conducting air from external nostrils upto bronchioles.
(d) Bringing the temperature of air upto the body temperature.
(e) Making the incoming air humid by providing moisture produced by epithelium of nasal cavities.
(f) Transporting the atmospheric air to the alveoli.
1. Six
2. Four
3. Five
4. Three
From NCERT
Subtopic: Respiratory System: Upper Respiratory Tract | Respiratory System: Trachea & Basic Anatomy of Lung |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A): Thoracic chamber is anatomically an air-tight chamber and any change in its volume has no effect whatsoever on the pulmonary cavity.
Reason (R): Lungs are situated in the thoracic cavity and this arrangement is essential for breathing.
With respect to the above mentioned statements, choose the correct answer from the following options.
1. (A) and (R) are true and (R) is the correct explanation of A
2. (A) and (R) are true but (R) is not the correct explanation of A
3. (A) is true but (R) is false
4. (A) is false but (R) is true
Reason (R): Lungs are situated in the thoracic cavity and this arrangement is essential for breathing.
With respect to the above mentioned statements, choose the correct answer from the following options.
1. (A) and (R) are true and (R) is the correct explanation of A
2. (A) and (R) are true but (R) is not the correct explanation of A
3. (A) is true but (R) is false
4. (A) is false but (R) is true
Subtopic: Respiratory System: Trachea & Basic Anatomy of Lung |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
Assertion (A): Sound is produced by larynx.
Reason (R): Larynx is a made up of cartilaginous box which surrounds a pair of vocal cords.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason (R): Larynx is a made up of cartilaginous box which surrounds a pair of vocal cords.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Respiratory System: Trachea & Basic Anatomy of Lung |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A): Alveoli are the major site of exchange of gases.
Reason (R): CO2 and O2 are exchanged at alveoli by simple diffusion.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason (R): CO2 and O2 are exchanged at alveoli by simple diffusion.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Respiratory System: Trachea & Basic Anatomy of Lung | Respiratory System: Exchange of Gases |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A): In the walls of bronchi and bronchioles are present stretch receptors.
Reason (R): Stretch receptors are stimulated by overstretching of the lungs.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason (R): Stretch receptors are stimulated by overstretching of the lungs.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Respiratory System: Trachea & Basic Anatomy of Lung |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A): Nasopharynx is a portion of pharynx present above the soft palate at the back of the nose.
Reason (R): Major chamber opens into nasopharynx through the internal nares.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason (R): Major chamber opens into nasopharynx through the internal nares.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Respiratory System: Trachea & Basic Anatomy of Lung |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A): The tracheae, primary, secondary and tertiary bronchi and initial bronchioles are supported by incomplete cartilaginous rings.
Reason (R): The cartilaginous rings prevent these structure from collapsing.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason (R): The cartilaginous rings prevent these structure from collapsing.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Respiratory System: Trachea & Basic Anatomy of Lung | Respiratory Organs |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A): The two lungs are covered by a double-layered pleura, with pleural fluid between them.
Reason (R): Pleural fluid reduces the friction on the lung surface.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason (R): Pleural fluid reduces the friction on the lung surface.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Respiratory System: Trachea & Basic Anatomy of Lung |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A): The lungs present in the thoracic chamber is an anatomically air-tight chamber.
Reason (R): The role of oxygen in the regulation fo respiratory rhythm is quite significant.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason (R): The role of oxygen in the regulation fo respiratory rhythm is quite significant.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Respiratory System: Trachea & Basic Anatomy of Lung | Respiratory System: Regulation of Respiration |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyRead the following statements and choose the correct option :
A. Bacteria that reach the lungs, rarely survive.
B. Alveoli of normal lungs are lined by a film of lecithin which kills bacteria.
1. Statement A is correct and B incorrect
2. Statement B is correct and A incorrect
3. Both the statements are correct
4. Both the statements are incorrect
A. Bacteria that reach the lungs, rarely survive.
B. Alveoli of normal lungs are lined by a film of lecithin which kills bacteria.
1. Statement A is correct and B incorrect
2. Statement B is correct and A incorrect
3. Both the statements are correct
4. Both the statements are incorrect
Subtopic: Respiratory System: Upper Respiratory Tract | Respiratory System: Trachea & Basic Anatomy of Lung |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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