Common Disaccharides

Q.

Choose the correct combinations of the monosaccharides forming disaccharides.
i. Glucose + Glucose = Maltose ii. Glucose + Fructose = Lactose

iii. Glucose + Fructose = Sucrose iv. Glucose + Galactose = Lactose

1. (i), (ii), (iii) only

2. (ii) only

3. (i), (iii), (iv)only

4. (i), (ii) only

Q.

Among the following, which two carbon atoms form the glycosidic bond to form sucrose molecule?

1. Carbon 1 of glucose and carbon 4 of fructose

2. Carbon 2 of glucose and carbon 1 of fructose

3. Carbon 1 of glucose and carbon 2 of fructose

4. Carbon 4 of glucose and carbon 1 of fructose

Q. Which one of the following is a disaccharide?

1. Maltose
2. Ribose
3. Glucose
4. Fructose

Q. Which one of these is a disaccharide?

1. Glucose
2. Cellulose
3. Maltose
4. Ribose

Q. Which of the following is found in milk?

1. maltose
2. Sucrose
3. Lactose
4. Fructose