Excretory Products and their Elimination — BIOLOGY STD 11 Science — Question
Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYExcretory Products and their Elimination1 Mark
MCQ
Ornithine cycle leads to the formation of:
A
$\ce{NH_3}$
✓
$\ce{((NH_2)_2)CO)}$
C
$\ce{C_5H_4N_4O_3}$
D
$\ce{C_5H_4N_4}$
✓
Answer
Correct option: B.
$\ce{((NH_2)_2)CO)}$
Ornithine cycle is the other name of urea cycle. Urea cycle is the production of urea from ammonia.
$\ce{((NH_2)_2)CO)}$ is the chemical formula of urea.
$\ce{NH_3}$ is ammonia.
$\ce{C_5H_4N_4}$ is purine.
$\ce{C_5H_4N_4O_3}$ is uric acid.
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