The diurnal rhythms are regulated by
Adrenaline
Melatonin
Serotonin
Vasopressin
Melatonin plays a very important role in the regulation of a 24-hour (diurnal) rhythm of our body. Hence, the correct option is b.
NEET UG 2025: Top government medical colleges with 5 years’ cut-off ranks; AIIMS Delhi most sought-after
NEET UG 2025 information bulletin soon; optional questions removed, exam in OMR pen-paper mode
Aiming for top medical colleges in India? Rank-wise NEET UG cut-offs for MBBS courses
Create Your Account
To keep connected with us please login with your personal information by phone
Dont't have an account? Register Now