An anomer is represented by:
1. | |
2. | |
3. | |
4. |
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'
Nucleic acids are the polymers of :
1. Nucleosides
2. Nucleotides
3. Bases
4. Sugars
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. |
RNA does not contain:
1. Adenine
2. Uracil
3. Thymine
4. Cytosine
DNA does not have:
1. Adenine
2. Thymine
3. Cytosine
4. Uracil
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 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) |
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 |