Biomolecules Question 107
Question: A certain compound gives negative test with ninhydrin and positive test with Benedict’s solution. The compound is
[NCERT 1978; KCET 2000]
Options:
A) A protein
B) A monosaccharide
C) A lipid
D) An amino acid
Show Answer
Answer:
Correct Answer: B
Solution:
Protein gives blue-violet colour with ninhydrin (2, 2-dihydroxyindane-1, 3-diene) Carbohydrates gives brown red ppt. with benedict’s solution (Alk. $ CuSO_4+ $ Citrate ions)
BETA
