- 1(current)
Q. No.Assertion (A): Pneumotaxic centre can moderate the functions of the respiratory rhythm centre.
Reason (R): Neural signal from pneumotaxic centre can reduce the duration of inspiration and thereby alter the respiratory centre.
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): Neural signal from pneumotaxic centre can reduce the duration of inspiration and thereby alter the respiratory centre.
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: Regulation of Respiration |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A): The respiratory rhythm centre, located in the pons region of brain is responsible for regulation of respiration.
Reason (R): Pneumotaxic centre, located in the medulla region of brain moderates the respiratory rhythm centre.
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): Pneumotaxic centre, located in the medulla region of brain moderates the respiratory rhythm centre.
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: Regulation of Respiration |
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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 & BiologyWhich of the following is not a stimulus for breathing?
1. Arterial pH resulting from CO2 retention
2. Arterial pO2 below 60 mm Hg
3. Rising blood pressure
4. Rising CO2 levels
1. Arterial pH resulting from CO2 retention
2. Arterial pO2 below 60 mm Hg
3. Rising blood pressure
4. Rising CO2 levels
Subtopic: Respiratory System: Regulation of Respiration |
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Please attempt this question first.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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