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The CO(2) content by volume, in the atmo...

The `CO_(2)` content by volume, in the atmospheric air is about

A

`3.34%`

B

`4%`

C

`0.0314%`

D

`2.1%`

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The correct Answer is:
C
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NCERT FINGERTIPS-BREATHING AND EXCHANGE OF GASES-Breathing And Exchange Of Gases
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  2. What is the approximate normal composition of alveolar air ?

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  3. The CO(2) content by volume, in the atmospheric air is about

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  6. The factor which does not affect the rate of alveolar diffusion is

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  7. Besides RBC, blood plasma also carries O(2) in solution. The percentag...

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  8. Which of the following statement is correct?

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  9. Which of the following statement is true about RBCs in humans?

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  10. The carbon dioxide is transported via blood to lungs mostly

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  11. Blood carries the CO(2) in three forms. The correct percentages of CO(...

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  12. Bluk of oxygen diffuses from the plasma into the red blood corpuscles ...

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  13. One haemoglobin carries how many molecules of O(2) ?

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  14. The oxygen dissociation curve is

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  15. Which of the following is incorrect about the given graph ?

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  16. The given graph shows an oxygen dissociation curve for haemoglobin. ...

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  17. When temperature decrease, oxy-Hb curve becomes

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  18. Which of the following factors is not favourable for the formation of ...

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  19. Consider for following four statements and select the correct option s...

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  20. After taking a long deep breath we do not respire for some seconds due...

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