GS PrelimsScience and TechnologyHuman Health and Diseases2000

The stones formed in human kidney consist mostly of

calcium oxalate

sodium acetate

magnesium sulphate

calcium

Correct Answer: Option A

Explanation

1. Kidney stones (renal calculi) are hard deposits made of minerals and salts that form inside the kidneys. 2. While various types of kidney stones exist (struvite, uric acid, cystine), the most common type is formed from calcium combined with oxalate. 3. Therefore, the stones formed in the human kidney consist mostly of calcium oxalate. 4. Sodium acetate and magnesium sulphate are salts but not the primary components of common kidney stones.

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