Biology - Excretory Products and their Elimination Question with Solution | TestHub

BiologyExcretory Products and their EliminationHuman Excretory SystemMedium2 minPYQ_2026
BiologyMediumsingle choice

Renal calculi formed in response to bacterial infection caused by urea splitting bacteria are __________ stones.

Options:

Answer:
B
Solution:

Struvite stones are formed in response to an infection in the urinary tract, typically caused by urea-splitting bacteria such as Proteus, Klebsiella, or Pseudomonas.

These bacteria produce the enzyme urease, which hydrolyzes urea into ammonia and carbon dioxide. The production of ammonia makes the urine alkaline.

The alkaline environment promotes the precipitation of magnesium ammonium phosphate, which crystallizes to form struvite stones, also known as infection stones.

Answer: struvite

Stream:MHT_CET_MEDICALSubject:BiologyTopic:Excretory Products and their EliminationSubtopic:Human Excretory System
⏱ 2mℹ️ Source: PYQ_2026

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