Renal Calculi Formation and Types — NEET Biology
✅ Asked in NEET 2018Match the following: Column I A. Glycosuria B. Gout C. Renal calculi D. Glomerular nephritis Column II i. Accumulation of uric acid in joints ii. Mass of crystallised salts within the kidney iii. Inflammation in glomeruli iv. Presence of glucose in urine
Match the following: Column I A. Glycosuria B. Gout C. Renal calculi D. Glomerular nephritis Column II i. Accumulation of uric acid in joints ii. Mass of crystallised salts within the kidney iii. Inflammation in glomeruli iv. Presence of glucose in urine
Answer & NCERT explanation
Correct answer: D — A–iv, B–i, C–ii, D–iii
Glycosuria refers to presence of glucose in urine (A-iv). Gout is caused by accumulation of uric acid crystals in joints causing inflammation (B-i). Renal calculi are kidney stones formed by crystallised salts within kidney (C-ii). Glomerular nephritis is inflammation of glomeruli in kidneys (D-iii). This matches the medical definitions from NCERT excretory system chapter.
Read more NCERT concept on the PYQ
Renal calculi: Stone or insoluble mass of crystallised salts (oxalates, etc.) formed within the kidney.
Renal calculi (kidney stones) are insoluble crystalline masses formed from substances like oxalates, calcium phosphate, and uric acid that precipitate in the kidneys. NTA tests whether students can distinguish renal calculi from other kidney disorders like glomerulonephritis and understand their composition. The common mistake is confusing kidney stones with kidney infections or inflammation—remember, calculi are *crystalline deposits*, not microbial infections. To score correctly: know that they form when solutes concentrate beyond solubility limits, recognize oxalates as a major component, and understand that dehydration increases risk. This bridges excretion (waste handling) with urinary system pathology, making it a likely repeat topic.
What does NCERT say about Renal calculi Stone or?
Has this concept appeared in NEET?
Which chapter is this from?
Through deep analysis of NEET and NTA, 88 of 90 questions from the NEET 2026 paper were matched straight from the MedicNEET Biology question bank.
88/90MedicNEET's Biology question bank is built from the same NCERT lines NTA picks repeatedly. Not random MCQs — questions crafted exactly like NTA crafts them.