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MCQs on Sucrose

MCQs on Sucrose

  1. The phenomenon of mutarotation is not exhibited by

(a) (–) Fructose

(b) (+) Lactose

(c) (+) Maltose

(d) (+) Sucrose

Answer: (d)

  1. Invert sugar is produced on hydrolysis of

(a) fructose

(b) dextrose

(c) sucrose

(d) glucose

Answer: (c)

  1. The sweetest sugar is

(a) sucrose

(b) fructose

(c) maltose

(d) glucose

Answer: (b)

  1. Which of the following is used as table sugar?

(a) Disaccharide of D-glucose

(b) D-glucose

(c) Monosaccharide

(d) Disaccharide of D-glucose and D-fructose

Answer: (d)

  1. Sucrose is non-reducing sugar due to

(a) presence of α-hydroxy keto group

(b) its conversion to invert sugar

(c) the linkage between both the anomeric carbon atoms

(d) equal amount of D(+) glucose and D(–) fructose

Answer: (c)

  1. Sucrose on hydrolysis yields

(a) two glucose molecules

(b) glucose and fructose

(c) glucose and lactose

(d) glucose and galactose

Answer: (b)

  1. The general formula of carbohydrates is

(a) Cx(H2O)y

(b) Cx(H2)yO

(c) Cx(H2O)y + 2

(d) Cx – 1 (H2O)y

Answer: (a)

  1. This is not a disaccharide

(a) maltose

(b) galactose

(c) sucrose

(d) lactose

Answer: (b)

  1. Which of the following sugars does not give positive Seliwanoff’s test?

(a) Inulin

(b) Sucrose

(c) Fructose

(d) Maltose

Answer: (d)

  1. Which of the following is a non-reducing sugar?

(a) Sucrose

(b) Maltose

(c) Lactose

(d) Glucose

Answer: (a)

  1. Which of the following is invert sugar?

(a) Starch

(b) Glucose

(c) Fructose

(d) None of these

Answer: (d)

 

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