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NEET UG BIOLOGY MCQ: CHEMICAL COORDINATION AND INTEGRATION

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S-I: Neurons and muscles depolarize spontaneously due to hypoparathyroidism.

S-II: Hypoparathyroidism increases Ca2+{Ca}_2{ }^{+}level in the blood.
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Correct option: C
S-I is true, S-II is false
Option C (S-I is true, S-II is false) is correct because hypoparathyroidism leads to decreased calcium levels, causing spontaneous depolarization of neurons and muscles, but it does NOT increase calcium levels.

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