Home
Class 11
BIOLOGY
The 24 hour (diurnal) rhythm of our body...

The 24 hour (diurnal) rhythm of our body such as the sleep-wake cycle is regulated by the hormone
Or
Which hormone is secreted more in dark condition

A

Insulin

B

Adrenalin

C

Thyroxin

D

Melatonin

Text Solution

Verified by Experts

The correct Answer is:
D
Melatonin is secreted by pineal body. It helps to control biological or circadian cycle. Melatonin concentration in the blood appears to flow a diurnal (day – night) cycle as it arises in the evening and through the night and drops to a low around noon.
Promotional Banner

Similar Questions

Explore conceptually related problems

The 24 hour (diurnal) rhythm of our body like sleep wake cycle is regulated by which hormone?

The hormone which regulates sleep-wake cycle in man is

Which of the following hormones plays a very important role in the regulation of a 24 hour (diurnal) rhythm of our body. It helps in maintaining the normal rhythms of sleep-wake cycle, body temperature. It influences pigmentation, the menstrual cycle as well as our defense capability?

A hormone responsible for normal sleep wake cycle is

A hormone responsible for normal sleep- wake cycle is