Products of hydrolysis of lactose are :

1. β-D-Galactose and β-D-Glucose.

2. $\mathrm{\alpha }$-D-Galactose and $\mathrm{\alpha }$-D-Glucose.

3. $\mathrm{\alpha }$-D-Galactose and β-D-Maltose.

4. β-D-Galactose and β-D-Fructose.

The product of D-glucose with HI is:

The fat-soluble vitamin(s) is/are:

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.

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:

The correct statement about RNA is :

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:
\(C_{12}H_{22}O_{11}\ \xrightarrow[H_2O]{?}\ \text{2 mole of glucose}\)