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Assertion :- A chemosensitive area is si...

Assertion `:-` A chemosensitive area is situated adjacent to the rhythm centre which is highly sensitive to `CO_(20` and hydrogen ions.
Reason `:-` The role of oxygen in the regulation of respiratory rhythm is quite insignificant .

A

If both assertion and reason are true and reasonis the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

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The correct Answer is:
B
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MOTION-BREATHING AND EXCHANGE OF GASES-Exercise 4
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  4. Assertion :- The volume of air a person can expire after normal inspir...

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  7. Assertion :- A chemosensitive area is situated adjacent to the rhythm ...

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  8. Assertion :- Pneumotaxic centre can moderate the functions of the resp...

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  10. Assertion :- While ascending up a mountain , one gets less oxygen res...

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  11. Assertion :- Major part of CO(2) is transported in the form of sodium ...

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  12. Assertion :- Emphysema is a chornnic disorder in which alveolar walls ...

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  13. Assertion :- In the alveoli, dissociation of CO(2) from carbamino-haem...

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  14. Assertion :- Haemoglobin can not get saturated with oxygen more than 9...

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  15. Assertion :- The blood transports carbondioxide comparatively easily. ...

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  16. Assertion :- Bohr effect occur at the level of alveoli of lungs. Rea...

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  17. Assertion :- Low concentration of oxygen allow dissociation of oxyhaem...

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  18. Assertion :- Mammals can breathe an eat at the same time. Reason:- M...

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  19. Assertion :- Carbonic acid is more formed inside the RBC's than the pl...

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  20. Assertion : Smoking makes oxgyen less available to the body Reason :...

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