The disease caused by the lack of phenylalanine hydroxylase is? NEET Biology MCQ
Last updated: July 30, 2026
Reviewed by MedQGo Editorial Team | Last updated: July 30, 2026
The disease caused by the lack of phenylalanine hydroxylase is
Aalbinism
Bgalactosemia
Cmucopolysaccharidosis
Dphenylketonuria
Correct answer: D. phenylketonuria
Phenylketonuria (PKU) is caused by the lack of phenylalanine hydroxylase, which leads to an accumulation of phenylalanine in the body. This condition can result in severe neurological damage if not treated early.
Free PDF sample
Get NEET Biology MCQs as a chapter-wise PDF.
Join early access for a free MCQ sample with answers and NCERT-aligned explanations.