A) urochrome
B) urinode
C) urea
D) melanin
Correct Answer: B
Solution :
Urine is a transparent, light yellow liquid with a slightly acidic pH. The colour of urine is caused by the pigment urochrome, which is a breakdown product of haemoglobin from worn out red blood corpuscles while the pungent smell of urine is due to urinode.
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