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Breathing and Exchange of Gases question

2021 · Q82
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Breathing and Exchange of Gases question

2021 · Q82

NEETBiologyBreathing and Exchange of GasesMCQ+4 / −1
Assertion (A) : A person goes to high altitude and experiences 'altitude sickness' with symptoms like breathing difficulty and heart palpitations.

Reason (R) : Due to low atmospheric pressure at high altitude, the body does not get sufficient oxygen.

In the light of the above statements, choose the correct answer from the options given below
  1. A
    (A) is false but (R) is true
  2. B
    Both (A) and (R) are true and (R) is the correct explanation of (A)
  3. C
    Both (A) and (R) are true but (R) is not the correct explanation of (A)
  4. D
    (A) is true but (R) is false
View written solutionFree

Correct answer: B

Altitude sickness can be experienced at high altitude where body does not get enough oxygen due to low atmospheric pressure and causes nausea, fatigue and heart palpitations.

Hence, correct option is (b) as [R] is correct explanation of [A].

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