Multiple choice

Aman and Nitin are brothers. Aman always scores high on mental tests, while Nitin scores low. One of the main differences between the brains of the people who score high on mental tests and those who score low indicates that higher scorers have

  1. equal levels of both dura mater and pia mater

  2. lower levels of dura mater

  3. higher levels of dura mater

  4. lower levels of gray matter

  5. higher levels of gray matter
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

It is correct as the more dense the gray matter is in a particular region of the brain, the more intelligence is found in the person. Thus, people with unusually high levels of intelligence and unique skills possess notably high levels of gray matter.

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