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SSC CHSL 2021 PYQ — Question 43

SSC CHSL - 13 April 2021 - Shift 1 • General Awareness • Q43

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Which of the following chemicals is responsible for the yellow colour in urine?

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Correct answer: B

Explanation

The correct answer is Option 2. i.e. Urobilin.

  • Urobilin or Urochrome is the chemical primarily responsible for the yellow colour of urine. 
  • Urobilin is generated from the degradation of heme, which is first degraded through biliverdin to bilirubin.
  • Many urine test (urinalysis) monitor the amount of urobilin in urine, as it's levels can give insight on the effectiveness of urinary tract function. 
  • Normally, urine would appear light yellow or colourless. A lack of water intake, for instance, following sleep or dehydration, reduces the water content of urine, thereby concentrating urobilin and producing a darker colour of urine.