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The 24 hour (diurnal) rhythm of our body such as the sleep-wake cycle is regulated by the hormone:
Options
(a) calcitonin
(b) prolactin
(c) adrenaline
(d) melatonin
Correct Answer:
melatonin
Explanation:
Melatonin is a hormone that regulates the 24 hour rhythm of our body such as the sleep-wake cycle etc. Melatonin is produced by pineal gland in the brain, which is responsible for operation and regulation of the biological clock in mammals.
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- The blood calcium level is lowered by the deficiency of
- Fossils of Australopithecus were first found in
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Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Locomotion and Neural Control
(33)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Erythropoiesis starts in :
- The blood calcium level is lowered by the deficiency of
- Fossils of Australopithecus were first found in
- In citric acid cycle decarboxylation occurs when
- Bilateral symmetry and no coelom is found in
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Locomotion and Neural Control (33)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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