ICSE BoardEnglish MediumSTD 10BiologyThe Excretory system1 Mark
MCQ
The hormone that affects urination is:
A
Adrenaline
✓
Vasopressin
C
Oestrogen
D
Thyroxine
✓
Answer
Correct option: B.
Vasopressin
(b) Vasopressin Explanation: Vasopressin, also called Antidiuretic Hormone ( ADH ), is secreted by the posterior lobe of the pituitary gland controls the osmotic pressure of the body fluids. It promotes reabsorption of water in the nephrons and put it back into the blood circulation of the body. In this way, lesser quantity and concentrated urine is formed in the kidneys.
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