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Single Answer MCQ
Q-00045880

Which of the following best describes the effect of physical exercise on oxygen uptake?

1

Decreases oxygen uptake

2

Increases oxygen uptake

3

Has no effect on oxygen uptake

4

Only affects oxygen delivery

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Sandeep Chaturvedi

Sandeep Chaturvedi

CBSE Social Science & Humanities Reviewer

Social science and humanities educator with 14+ years of experience reviewing CBSE SST, economics, commerce, arts, and vocational content.

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Answer and Solution

Answer

B. Increases oxygen uptake

Solution:

Physical exercise increases oxygen uptake to supply the elevated energy demands of muscles during activity. The other options are incorrect regarding the physiological changes occurring during exercise.

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