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 |
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)
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.
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 |
The main component present in starch and glycogen is:
1. Amylose
2. Glycose
3. Amylopectin
4. Cellulose
D-Glucose \(\xrightarrow[]{\textbf{?}}\) Saccharic acid
The oxidizing reagent used for this conversion is:
1. HI
2. Bromine water
3. HNO3
4. H2SO4
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 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 essential amino acid is/are-
1. Valine
2. Alanine
3. Serine
4. All of the above
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 |