Description : Ninhydrin reaction gives a purple colour and evolves CO2 with (A) Peptide bonds (B) Histamine (C) Ergothioneine (D) Aspargine
Last Answer : Answer : D
Description : What is ninhydrin reaction?
Last Answer : All amino acids when heated with ninhydrin will give a pink colour.
Description : What are the Reaction of amino acid using ninhydrin and biuret reagent?
Last Answer : What is the answer ?
Description : Which of the following gives a positive Ninhydrin test? (A) Reducing sugar (B) Triglycerides (C) α-amino acids (D) Phospholipids
Last Answer : Answer : C
Description : Which of the followings gives a positive test for Ninhydrin? (A) Reducing sugars (B) Triglycerides (C) Alpha aminoacids (D) Esterified Fats
Description : The amino acid which gives yellow colour with Ninhydrin in paper chromatography is (A) Tyrosine (B) Proline (C) Tryptophan (D) Alanine
Last Answer : Answer : B
Description : The useful reagent for detection of amino acids is (A) Molisch reagent (B) Dichlorophenol Indophenol (C) Ninhydrin (D) Biuret
Description : Sanger’s reagent contains (A) Phenylisothiocyanate (B) Dansyl chloride (C) 1-Fluoro-2, 4-dinitrobenzene (D) Ninhydrin
Description : Primary structure of proteins can be determined by the use of (A) Electrophoresis (B) Chromatography (C) Ninhydrin (D) Sanger’s reagent
Description : Ninhydrin with evolution of CO2 forms a blue complex with (A) Peptide bond (B) α-Amino acids (C) Serotonin (D) Histamine
Description : Do proteins give a color with ninhydrin?
Last Answer : Proteins do not give a true color reaction; but N- terminal end amino group of protein will react with ninhydrin, to produce a blue color.
Description : Which compound gives both ninhydrin test and Molisch’s test? -Do You Know?
Last Answer : answer:
Description : A compound gives a positive Tollens' test but negative Ninhydrin test. It is (a) a protein (b) an amino acid (c) a monosaccharide (d) pyridine
Last Answer : a monosaccharide
Description : A protein solution on warming with concentrated HNO3 may turn yellow. This test is called : (a) Xanthoproteic test (b) Ninhydrin test (c) Biuret test (d) Million's test
Last Answer : Xanthoproteic test
Description : Which of the following tests is not used for testing proteins? (a) Ninhydrin test (b) Biuret test (c) Xanthoproteic test (d) Tollens' test
Last Answer : Tollens' test
Description : Ninhydrin test is given by (a) Carbohydrates (b) Proteins (c) Alkanes (d) Alkenes
Last Answer : Proteins
Description : Which compound gives both ninhydrin test and Molisch's test?
Last Answer : protein