Multiple choice general knowledge science & technology

Only glucose is used for energy requirement by

  1. Kidney

  2. Muscle

  3. Brain

  4. Liver

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The brain relies almost exclusively on glucose for its energy requirements, as it cannot use fatty acids or other fuels directly. Under normal conditions, glucose is the primary substrate for brain metabolism, though it can use ketone bodies during fasting.