Multiple choice general knowledge

The pupil of the eye expands as much as 15% when a person looks at something pleasing

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

While pupil size does change in response to light levels and emotional stimuli, the claimed 15% figure is not accurate. Pupil dilation varies but is typically more modest, and the change is primarily a response to light rather than just pleasing stimuli.

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