Products of hydrolysis of lactose are :
1. β-D-Galactose and β-D-Glucose.
2. -D-Galactose and -D-Glucose.
3. -D-Galactose and β-D-Maltose.
4. β-D-Galactose and β-D-Fructose.
The product of D-glucose with HI is:
1. | Neo-pentane | 2. | n-Hexane |
3. | Cyclohexane | 4. | Glucaric acid |
The fat-soluble vitamin(s) is/are:
1. | Vitamin A | 2. | Vitamin B |
3. | Vitamin E | 4. | Both 1 and 3 |
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. |