1) A certain compound give a negative test with ninhydrin and positive test with Benedict's solution . The compound is A) a protein B) a monosaccharide C) a lipid D) an amino acid Answer: Option BExplanation:A compound that gives a negative test with ninhydrin, it cannot be a protein or an amino acid. As it gives a positive test with Benedict's solution. So, it must be a monosaccharide but not a lipid.
