Q. No.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.
| 1. | Amla | 2. | Yeast |
| 3. | Fish liver oil | 4. | Exposure to sunlight |
α-helix structure of proteins is stabilized by :
| 1. | H-bonds formed between the −SH and C=O group. |
| 2. | H-bonds formed between the −NH and C=O group. |
| 3. | Ionic bonds formed between the −SH and C=O group. |
| 4. | Ionic bonds formed between the −NH and C=O group. |
Monosaccharides are:
| 1. | Carbohydrates that can't be hydrolysed further to give simpler units of polyhydroxy aldehyde or ketone. |
| 2. | Classified on the basis of the number of carbon atoms and the functional group present in them. |
| 3. | The monomers of carbohydrates. |
| 4. | All of the above. |
The incorrect statement about nucleic acid is:
| 1. | It is responsible for heredity. |
| 2. | It is responsible for protein synthesis in a cell. |
| 3. | It is a constituent of the chromosome. |
| 4. | It is responsible for the transmission of chemical signals. |
Reducing sugars are -
| 1. | Carbohydrates that reduce Fehling’s solution and Tollen’s reagent. |
| 2. | Carbohydrates that reduce only Tollen’s reagent. |
| 3. | Carbohydrates that reduce only Fehling’s solution . |
| 4. | Carbohydrates that reduce HI |
Amino acids exhibit amphoteric behavior as:
1. They can act both as an acid and as a base.
2. They can act only as an acid but not as a base.
3. They can act only as a base but not an acid.
4. None of the above.
The main function of carbohydrates in plants is to serve as a:
1. Structural component of cell membranes
2. Building block of cell walls
3. Storage molecule (starch)
4. Transport sugar in phloem
D-Glucose \(\xrightarrow[]{\textbf{?}}\) Saccharic acid
The oxidizing reagent used for this conversion is:
1. HI
2. Bromine water
3. HNO3
4. H2SO4
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