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Q. No.
Subtopic: Carbohydrates - Classification & D-L configuration |
57%
Level 3: 35%-60%
Hints
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'
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
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