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Excretion in Humans — BIOLOGY STD 7 — Question

ICSE BoardEnglish MediumSTD 7BIOLOGYExcretion in Humans1 Mark
MCQ
Besides water, the urine mainly contains :
  • ✓
    urea
  • B
    nitric acid
  • C
    glucose
  • D
    bile pigments
✓

Answer

Correct option: A.
urea

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