Question:medium

Which one of the following is a disease caused by defects in enzymes necessary for heme biosynthesis?

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Porphyria = ”Porphyrin accumulation,” caused by heme biosynthesis defects.
Updated On: Feb 11, 2026
  • Lesch Nyhan syndrome
  • Porphyria
  • Huntington’s disease
  • Marfan Syndrome
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The Correct Option is B

Solution and Explanation

Porphyria is a group of disorders stemming from faulty enzymes in heme production. Such defects lead to the buildup of porphyrins, causing symptoms like photosensitivity, abdominal pain, and neurological issues.

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