Question

Melatonin is secreted by __________ which is located at __________ .

• A.

  (i)	(ii)
  Pineal	Dorsal side of the forebrain

• B.

  (i)	(ii)
  Pineal	Middle side of the forebrain

• C.

  (i)	(ii)
  Pineal	Base of the diencephalon

• D.

  (i)	(ii)
  Pineal	Ventral side of the forebrain

Answer 1

Answer: (A)

The Pineal Gland
Location : Dorsal side of forebrain.
Hormone secreted : Melatonin.
Functions of melatonin :
$1.$ Melatonin is very important for the regulation of a 24-hour (diurnal) rhythm of our body.
Example : It helps in maintaining the normal rhythms of sleep-wake cycle, body temperature, etc.
$2.$ It also affects - metabolism, pigmentation, menstrual cycle and our immune system.