Q. Which component in light causes suppression of melatonin produced by the pineal gland?
✅ Correct Answer: (B)
Blue
Explanation: Blue component in light causes suppression of melatonin produced by the pineal gland. Melatonin regulates the sleep–wake cycle. Natural levels of melatonin in the blood are highest at night.
Explanation by: Ruchi Sharma
Blue component in light causes suppression of melatonin produced by the pineal gland. Melatonin regulates the sleep–wake cycle. Natural levels of melatonin in the blood are highest at night.