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 following is not reducing sugar? (A) Lactose (B) Maltose (C) Sucrose (D) Fructose
Last Answer : C
Description : Which of the following is a reducing sugar? (A) Sucrose (B) Trehalose (C) Isomaltose (D) Agar
Description : Which of the following is a non-reducing sugar? (A) Isomaltose (B) Maltose (C) Lactose (D) Trehalose
Last Answer : D
Description : Non reducing type sugar is
Last Answer : Ans. Sucrose
Description : Glucose and fructose are reducing sugars, but sucrose (containing glucose and fructose) is a non-reducing sugar, why?
Last Answer : Because the glycosidic linkage in sucrose involves 1st carbon of glucose and 2nd carbon of fructose, so both reducing groups are masked.
Description : Which of the following is a reducing sugar? (a) Galactose (b) Gluconic acid (c) β-methyl galactoside (d) Sucrose
Last Answer : a) Galactose
Description : Which of the following carbohydrates is not a reducing sugar? (a) Glucose (b) Sucrose (c) Fructose (d) Lactose
Last Answer : Sucrose
Description : A reducing sugar will (a) react with Fehling's test (b) not react with Fehling's test (c) have fewer calories (d) always be a ketone
Last Answer : react with Fehling's test
Description : Which of the following statements is false about glucose? (a) it is a reducing sugar. (b) it is a disaccharide. (c) it has a pyranose form. (d) it is a polyalcoho
Last Answer : it is a disaccharide.
Description : Which of the following is true about sucrose? (a) It hydrolyzes to fructose and glucose. (b) It is a reducing sugar. (c) It is a monosaccharide. (d) It undergoes mutarotation in water.
Last Answer : It hydrolyzes to fructose and glucose.
Description : The browning reaction due to chemical reaction between an amino acid and a reducing sugar, usually requiring heat is called as _____: a. Dextrinization b. Maillard reaction c. Scorching d. Caramelization
Last Answer : b. Maillard reaction
Description : Which of the following statements about phloem transport is correct? (1) phloem transport occurs unidirectionally (2) gravity influences phloem transport (3) Ca+ is the most abundantcation in phloem sap (4) sugar is transported in phloem as non-reducing sugar
Last Answer : sugar is transported in phloem as non-reducing sugar