NEET Biology question

Calcium level decreases in the blood due to hyposecretion of

(A)ParathormoneCorrect
(B)Calcitonin
(C)Thyroxine
(D)Adrenaline

Answer: (A)

Solution

Calcitonin actually lowers blood calcium, so its hyposecretion would raise, not lower, calcium levels, ruling out (b); thyroxine and adrenaline have no direct role in calcium homeostasis. Parathormone

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Question ID VK-128735