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

Subtopic:  Carbohydrates: Starch & Glycogen |
 79%
From NCERT
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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

Subtopic:  Carbohydrates: Cellulose, Chitin, Inulin & Agar |
 64%
From NCERT
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Proteins are ______ of amino acids

1.homopolymer

2.heteropolymer

3.Neither homopolymer nor heteropolymer

4.None of these

Subtopic:  Introduction to Proteins |
 92%
From NCERT
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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

Subtopic:  Zwitter ion & Peptide Bond |
 89%
From NCERT
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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

Subtopic:  Different Amino Acids |
 76%
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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

Subtopic:  Structural Organisation of Proteins |
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Majority of the enzymes and proteins exist in which type of structure of proteins?

1.Primary

2.Secondary

3.Tertiary

4.Quaternary

Subtopic:  Structural Organisation of Proteins |
 85%
From NCERT
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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

Subtopic:  Structural Organisation of Proteins |
 73%
From NCERT
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Which of the following proteins exist in their quaternary structure

1.Myoglobin

2.Haemoglobin

3.Globulin

4.Both 1 and 2

Subtopic:  Structural Organisation of Proteins |
 65%
From NCERT
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10  How many heme groups are present in Haemoglobin

1.2

2.1

3.4

4.3

Subtopic:  Structural Organisation of Proteins |
 75%
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