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NEET UG BIOLOGY MCQ: CHEMICAL COORDINATION AND INTEGRATION

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Which of the following statements are true/false:  I. Calcitonin regulates the metabolism of calcium,  II. Oxytocin stimulates contraction of uterine muscles during birth,  III. Grave’s disease is caused by malfunctioning of adrenal gland,  IV. ADH stimulates absorption of water and increase the urine production.
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Correct option: B
I and II are true; III and IV are false
Option B (I and II are true; III and IV are false) is correct because calcitonin regulates calcium metabolism, oxytocin stimulates uterine contractions, Grave's disease is caused by thyroid malfunction, and ADH decreases urine production.

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