Published by:
CGP EDU Academic Team
Published on: August 21, 2026
Assertion : Diabetes insipidus is marked by excessive urination and too much thirst of water.
Reason: Vasopressin (ADH) is released by the posterior lobe of pituitary gland.
A
Both and (R) are correct but (R) is not the correct explanation of 
is correct but (R) is not correct is not correct but (R) is correct and (R) are correct and (R) is the correct explanation of 
is correct but (R) is not correct is not correct but (R) is correct and (R) are correct and (R) is the correct explanation of
D
Both
Text Solution
Verified by ExpertsThe correct answer is:
Diabetes insipidus (DI) occurs when the kidneys are unable to conserve water. The amount of water conserved is controlled by antidiuretic hormone, 
, (also called vasopressin) which is secreted by posterior lobe of pituitary gland. Diabetes insipidus is characterised by excessive urination and thirst, due to the increase in permeability of collecting tubules.
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