Biuret test is not given by
proteins
carbohydrates
polypeptide
urea
As we learned
Carbohydrates -
Optically active polyhydroxy aldehydes and ketones or substances which give such compounds on hydrolysis
- wherein
- Made up of carbon , hydrogen and oxygen atoms ,
- Eg. Sugars , cellulose , starch.
The biuret test is a chemical test used for detecting the presence of peptide bond. Carbohydrates donot have peptide bonds.
Option 1)
proteins
Option 2)
carbohydrates
Option 3)
polypeptide
Option 4)
urea
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