Q. No.The incorrect statement among the following regarding glucose is:
1.
It is an aldohexose.
2.
n-Hexane is formed when glucose is heating with HI.
3.
It is present in furanose form.
4.
It does not give 2, 4- DNP test.
Which one of the following reactions of glucose can be explained only by its cyclic structure?
| 1. | Glucose forms pentaacetate. |
| 2. | Glucose reacts with hydroxylamine to form an oxime. |
| 3. | Pentaacetate of glucose does not react with hydroxylamine. |
| 4. | Glucose is oxidized by nitric acid to saccharic acid. |
D configuration is shown by:
 |
 |
 |
| (i) | (ii) | (iii) |
1. i, ii and iii
2. ii and iii
3. i and ii
4. Only iii
Out of the three given structures, the correct statement regarding bonds present between C1 & C4 and C1 & C6 is
| (i) |  |
||
| (ii) |  |
(iii) |  |
| C1 & C4 | C1 & C6 | |
| 1. | (i) | (ii) and (iii) |
| 2. | (i) and (ii) | (iii) |
| 3. | (i) and (iii) | (ii) |
| 4. | (ii) and (iii) | (i) |
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 |
Examples of globular proteins are:
| (a) | Insulin | (b) | Keratin |
| (c) | Albumin | (d) | Myosin |
Choose the correct option :
1. (a) and (b)
2. (b) and (c)
3. (c) and (d)
4. (a) and (c)
The main function of carbohydrates in plants is to serve as a:
1. Structural component of cell membranes
2. Building block of cell walls
3. Storage molecule (starch)
4. Transport sugar in phloem
Consider the following compounds:
Ribose, 2-deoxyribose, maltose, galactose, fructose and lactose
The number of disaccharide carbohydrates is/are:
| 1. | 3 | 2. | 1 |
| 3. | 4 | 4. | 2 |
© 2026 GoodEd Technologies Pvt. Ltd.