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TNPSC Group-I 2021 · Question 47 of 148

Kidney stones are formed by the precipitation of the following chemicals: I. Cystine II. Oxalate III. Uric acid IV. Sodium

Biology - Health

  1. AI and II
  2. BI, II and IIICorrect
  3. CIII and IV
  4. DI, II, III and IV

Answer: B. I, II and III

Explanation

Kidney stones are commonly composed of calcium oxalate, uric acid and cystine; sodium does not form stones.

Source: TNPSC Group-I Prelims (held 3 Jan 2021) - official paper via examrace.com

← Q46View full paper (148 questions)Q48 →

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