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Question: Answered & Verified by Expert
Read the following statement carefully (A-D):

A. Thymosin hormone helps T-lymphocytes to provide cell-mediated immunity.
B. Calcitonin hormone increases blood calcium level and is hypercalcemic.
C. Melanin hormones from the pineal gland, regulate the 24 hours (diurnal) rhythm cycle.
D. Epinephrine and norepinephrine hormones are called catecholamines.

How many statement/s from the above is/are correct?
BiologyChemical Coordination and IntegrationNEET
Options:
  • A Four
  • B Three
  • C Two
  • D One
Solution:
2606 Upvotes Verified Answer
The correct answer is: Two
Calcitonin hormone decreases blood calcium level and is hypocalcemic. It promote deposition of calcium on bones called calcification of bones.

Melatonin hormones from pineal gland, regulate the 24 hours (diurnal) rhythm of our body. It helps in maintaining the normal rhythms of sleep-wake cycle.

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