Zoology - Chemical Coordination and Integration Question with Solution | TestHub

ZoologyChemical Coordination and IntegrationPineal GlandEasy2 minPYQ_2020
ZoologyEasysingle choice

Following are the functions of a particular hormone:

a) controller of circadian rhythm in humans
b) helps in pigmentation, metabolism, menstrual cycle
c) controls the defence mechanism of the body.

Name the hormone.

Options:

Answer:
C
Solution:

The pineal gland is present in the forebrain. It secretes a hormone known as Melatonin. This hormone is responsible for sleep- wake cycle. Other functions are maintaining the temperature of body, pigmentation, metabolism, menstrual cycle as well as controlling the defense mechanism of the body. Melatonin increases in darkness that causes initiation of sleep.

Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Chemical Coordination and IntegrationSubtopic:Pineal Gland
⏱ 2mℹ️ Source: PYQ_2020

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