MCQs on Sucrose
1. The phenomenon of mutarotation is not exhibited by
(a) (–) Fructose
(b) (+) Lactose
(c) (+) Maltose
(d) (+) Sucrose
Answer:::: (d)
2. Invert sugar is produced on hydrolysis of
(a) fructose
(b) dextrose
(c) sucrose
(d) glucose
Answer:::: (c)
3. The sweetest sugar is
(a) sucrose
(b) fructose
(c) maltose
(d) glucose
Answer:::: (b)
4. 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)
5. 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)
6. Sucrose on hydrolysis yields
(a) two glucose molecules
(b) glucose and fructose
(c) glucose and lactose
(d) glucose and galactose
Answer:::: (b)
7. 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)
8. This is not a disaccharide
(a) maltose
(b) galactose
(c) sucrose
(d) lactose
Answer:::: (b)
9. Which of the following sugars does not give positive Seliwanoff’s test?
(a) Inulin
(b) Sucrose
(c) Fructose
(d) Maltose
Answer:::: (d)
10. Which of the following is a non-reducing sugar?
(a) Sucrose
(b) Maltose
(c) Lactose
(d) Glucose
Answer:::: (a)
11. Which of the following is invert sugar?
(a) Starch
(b) Glucose
(c) Fructose
(d) None of these
Answer:::: (d)