Products of hydrolysis of lactose are -

1. β-D-galactose and β-D-glucose.

2. α-D-galactose and α-D-glucose.

3. α-D-galactose and β-D-maltose.

4. β-D-galactose and β-D-fructose.

Subtopic:  Carbohydrates - Classification & D-L configuration |
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The product of D-glucose with HI is -

1. Neo-pentane

2. n-Hexane

3. Cyclohexane

4. Glucaric acid

Subtopic:  Carbohydrates - Classification & D-L configuration |
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The fat-soluble vitamin(s) is/are-

1. Vitamin A

2. Vitamin B

3. Vitamin E

4. Both 1 and 3

Subtopic:  Vitamins, Hormones & Enzymes |
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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.

Subtopic:  Carbohydrates - Classification & D-L configuration |
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The main component present in starch and glycogen is : 

1. Amylose

2. Glacose

3. Amylopectin

4. Cellulose

Subtopic:  Polysaccharides & their Importance |
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D-Glucose  \(\xrightarrow[]{\textbf{?}}\) Saccharic acid

The oxidizing reagent used for this conversion is -

1. HI

2. Bromine water

3. HNO3 

4. H2SO4

Subtopic:  Polysaccharides & their Importance |
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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.
Subtopic:   DNA, RNA & Metal Ions |
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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)

Subtopic:   DNA, RNA & Metal Ions |
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The essential amino acid is/are-

1. Valine

2. Alanine

3. Serine

4. All of the above.

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
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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

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
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