Select Chapter Topics:
Q. No.Carbon atoms of pentose sugars of nucleotides having phosphodiester linkage are:
1. 5' and 3'
2. 2' and 5'
3. 5' and 5'
4. '3 and 3'
1. 5' and 3'
2. 2' and 5'
3. 5' and 5'
4. '3 and 3'
Subtopic: DNA, RNA & Metal Ions |
91%
Level 1: 80%+
Hints
Subtopic: DNA, RNA & Metal Ions |
90%
Level 1: 80%+
Hints
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. |
Subtopic: Carbohydrates - Classification & D-L configuration |
81%
Level 1: 80%+
Hints
Subtopic: DNA, RNA & Metal Ions |
93%
Level 1: 80%+
Hints
Subtopic: DNA, RNA & Metal Ions |
96%
Level 1: 80%+
Hints
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. |
Subtopic: Carbohydrates - Classification & D-L configuration |
70%
Level 2: 60%+
Hints
D configuration is shown by:
 |
 |
 |
| (i) | (ii) | (iii) |
1. i, ii and iii
2. ii and iii
3. i and ii
4. Only iii
Subtopic: Carbohydrates - Classification & D-L configuration |
72%
Level 2: 60%+
Hints
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) |
Subtopic: Carbohydrates - Classification & D-L configuration | Polysaccharides & their Importance |
71%
Level 2: 60%+
Hints
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 |
Subtopic: Polysaccharides & their Importance |
89%
Level 1: 80%+
Hints
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)
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
72%
Level 2: 60%+
Hints
Select Chapter Topics:
© 2026 GoodEd Technologies Pvt. Ltd.