Q. No.| 1. | \(\alpha - D-\)Glucose and \(\beta-D-\)Galactose |
| 2. | \(\beta-D-\)Glucose and \(\beta-D-\)Galactose |
| 3. | \(\beta - D-\)Glucose and \(\alpha-D-\)Galactose |
| 4. | \(\alpha - D-\)Glucose and \(\alpha-D-\)Galactose |
| Assertion (A): | Deoxyribose, , is not a carbohydrate. |
| Reason (R): | Carbohydrates are hydrates of carbon so compounds that follow the formula are carbohydrates. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are False. |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
The reaction of concentrated sulphuric acid with carbohydrates (C12H22O11) is an example of:
1. Dehydration
2. Oxidation
3. Reduction
4. Sulphonation
D-Glucose \(\xrightarrow[]{\textbf{?}}\) Saccharic acid
The oxidizing reagent used for this conversion is:
1. HI
2. Bromine water
3. HNO3
4. H2SO4
Structure of disaccharide formed by glucose and fructose is given below. Identify anomeric carbon atoms in monosaccharide units.
1. 'a' carbon of glucose and 'a' carbon of fructose
2. 'a' carbon of glucose and 'e' carbon of fructose
3. 'a' carbon of glucose and 'b' carbon of fructose
4. 'f' carbon of glucose and 'f' carbon of fructose
There cyclic structures of monosaccharides are given below which of these are anomers.
1. I and II
2. II and III
3. I and III
4. III is anomer of I and II
| 1. | 10 | 2. | 9 |
| 3. | 8 | 4. | 7 |
| Assertion (A): | Maltose is a reducing sugar. |
| Reason (R): | A free aldehyde group can be produced at C1 of one of the two glucose moieties in the solution of maltose. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Sucrose (cane sugar) is a disaccharide. One molecule of sucrose on
hydrolysis gives:
1. 2 Molecules of glucose
2. 2 Molecules of glucose + 1 molecule of fructose
3. 1 Molecule of glucose +1 molecule of fructose
4. 2 Molecules of fructose
Which of the following correctly describes sucrose?
| a. | Monosaccharide | b. | Disaccharide |
| c. | Reducing sugar | d. | Non-reducing sugar |
Choose the correct option:
| 1. | a and b | 2. | b and c |
| 3. | c and d | 4. | b and d |
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