Starch gives blue colour because of

1.It exists in globular form

2.I₂ gets hold in helical form

3.It has blue colour pigment

4.All of the above

Which of the following is not true about cellulose?

1.It cannot be digested by humans

2.It’s a polymer of β, D Glucose

3.It’s a branched polymer

4.It does not give blue colour with Iodine

Proteins are ______ of amino acids

1.homopolymer

2.heteropolymer

3.Neither homopolymer nor heteropolymer

4.None of these

Which of the following is responsible for the formation of primary polypeptide?

1.peptide bond

2.Hydrogen bonding

3.Di-sulphide bond

4.Ionic bond

How many water molecules will be released if four amino acids will be joined linearly neglecting proline in the chain?

1.4

2.3

3.2

4.1

How many of the following bonds is present in tertiary structure of protein

Hydrophobic Interaction, Hydrogen bonding, Di-sulphide bond, Ionic bond, peptide bond

1.5

2.4

3.3

4.2

Majority of the enzymes and proteins exist in which type of structure of proteins?

1.Primary

2.Secondary

3.Tertiary

4.Quaternary

Quaternary structure of proteins are formed by

1.primary structure of proteins

2.Secondary structure of proteins

3.Tertiary structure of proteins

4.Quaternary structure of proteins

Which of the following proteins exist in their quaternary structure

1.Myoglobin

2.Haemoglobin

3.Globulin

4.Both 1 and 2

10  How many heme groups are present in Haemoglobin

1.2

2.1

3.4

4.3