Hormone that increases the blood calcium  and decrease the excretion of  by reabsorption is
a)	Calcitonin	b)	Parathormone	c)	Insulin	d)	ACTH

(b)

Parathormone secreted by parathyroid gland regulates the calcium and phosphate balance between blood and other tissues. It increases the plasma  represses plasma phosphate and decreases  excretion by the kidney by increasing the reabsorption in the renal tubule of Kidney by increasing the reabsorption in the renal tube