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

The symptoms described, such as hazy urine, pain during micturition, and intermittent pain below the rib cage in the back and sides, are characteristic of renal calculi (kidney stones).

Renal calculi cause severe intermittent pain known as renal colic when they pass through the urinary tract. The presence of stones can also lead to hazy or cloudy urine due to minor bleeding or associated infections, and pain during urination.

Answer: the occurence of renal calculi.