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Single Answer MCQ
Q-00020104

What effect does regular physical activity have on blood cell production?

1

Decrease in the number of red blood cells

2

Increased efficiency of blood cell production

3

No change in blood cell production

4

Increase in white blood cells only

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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. Increased efficiency of blood cell production

Solution:

Regular physical activity typically leads to increased efficiency in blood cell production, including red blood cells, improving overall oxygen transport. The other options do not accurately reflect the effects of exercise.

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