Q. No.Denaturation of proteins involves:
1. Loss of tertiary structure.
2. Loss of primary structure.
3. Loss of peptide bonds.
4. Loss of linear chain structure.
| 1. | Amla | 2. | Yeast |
| 3. | Fish liver oil | 4. | Exposure to sunlight |
The enzyme used for the above conversion is:
\(C_{12}H_{22}O_{11}\ \xrightarrow[H_2O]{?}\ \text{2 mole of glucose}\)
1. Amylase
2. Lactase
3. Maltase
4. Peptidase
Which of the following is an essential amino acid?
1. Valine
2. Alanine
3. Serine
4. All of the above
The correct statement about RNA is :
| 1. | The helical structure of RNA is mostly single-stranded . |
| 2. | It has deoxyribose sugar. |
| 3. | It is the chemical basis of heredity. |
| 4. | It contains thymine (T) |
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. |
The open structure of glucose cannot be established by:
1. HCN
2. Schiff’s test
3. Hydroxylamine test
4. Reaction with HI
D-Glucose \(\xrightarrow[]{\textbf{?}}\) Saccharic acid
The oxidizing reagent used for this conversion is:
1. HI
2. Bromine water
3. HNO3
4. H2SO4
The main component present in starch and glycogen is:
1. Amylose
2. Glycose
3. Amylopectin
4. Cellulose
Consider the following compounds:
Ribose, 2-deoxyribose, maltose, galactose, fructose and lactose
The number of disaccharide carbohydrates is/are:
| 1. | 3 | 2. | 1 |
| 3. | 4 | 4. | 2 |
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