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Q. No.Subtopic: DNA, RNA & Metal Ions |
89%
From NCERT
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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 |
79%
From NCERT
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Subtopic: DNA, RNA & Metal Ions |
91%
From NCERT
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Subtopic: DNA, RNA & Metal Ions |
96%
From NCERT
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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 |
67%
From NCERT
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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 |
71%
From NCERT
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Out of the 3 given structures, the correct statement regarding bond 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 |
68%
From NCERT
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Sucrose is a:
| 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 |
88%
From NCERT
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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 |
70%
From NCERT
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Carbohydrates are useful for plants-
1. To build cell membrane.
2. To support structure.
3. To serve as a storage molecule.
4. To help in the transport mechanism.
Subtopic: Carbohydrates - Classification & D-L configuration |
73%
From NCERT
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