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Q. No.Subtopic: Carbohydrates: Cellulose, Chitin, Inulin & Agar |
66%
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Which of the following is the most abundant carbohydrate in biosphere?
1. Starch
2. Cellulose
3. Glycogen
4. Hemicellulose
1. Starch
2. Cellulose
3. Glycogen
4. Hemicellulose
Subtopic: Carbohydrates: Cellulose, Chitin, Inulin & Agar |
75%
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Homopolymer found in exoskeleton of arthropods is
1. Chitin
2. Cellulose
3. Glycogen
4. N-acetylglucosamine
1. Chitin
2. Cellulose
3. Glycogen
4. N-acetylglucosamine
Subtopic: Carbohydrates: Cellulose, Chitin, Inulin & Agar |
81%
From NCERT
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Based on the nature of the R group there are many amino acids. If the R group in a proteinaceous amino acid is a methyl group, then the amino acids is
1. Glycine
2. Alanine
3. Serine
4. Phenylalanine
1. Glycine
2. Alanine
3. Serine
4. Phenylalanine
Subtopic: Amino Acids |
81%
From NCERT
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Which of the following amino acid is basic in nature?
1. Glutamic acid
2. Lysine
3. Valine
4. Tyrosine
1. Glutamic acid
2. Lysine
3. Valine
4. Tyrosine
Subtopic: Amino Acids |
87%
From NCERT
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Which of the following statement is false regarding proteins?
1. A protein is heteropolymer and not a homopolymer
2. Collagen is the most abundant protein in the animal world
3. RuBisCO is the most abundant protein in the whole biosphere
4. The first amino acid in the polypeptide chain is called C-terminal amino acid and the last amino acid is called N-terminal amino acid.
1. A protein is heteropolymer and not a homopolymer
2. Collagen is the most abundant protein in the animal world
3. RuBisCO is the most abundant protein in the whole biosphere
4. The first amino acid in the polypeptide chain is called C-terminal amino acid and the last amino acid is called N-terminal amino acid.
Subtopic: Proteins |
88%
From NCERT
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Select the incorrect statement about adult human haemoglobin
1. It is made up of four sub-units
2. Two sub-units are of \(\alpha\)-type and two sub-units of \(\beta\)-type
3. It has quarternary structure of protein
4. It is a simple protein
1. It is made up of four sub-units
2. Two sub-units are of \(\alpha\)-type and two sub-units of \(\beta\)-type
3. It has quarternary structure of protein
4. It is a simple protein
Subtopic: Proteins |
83%
From NCERT
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Which of the following structure of protein is absolutely necessary for the many biological activities of proteins?
1. Primary
2. Secondary
3. Tertiary
4. Quaternary
1. Primary
2. Secondary
3. Tertiary
4. Quaternary
Subtopic: Proteins |
81%
From NCERT
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Antibodies that help to fight infectious agents are
1. Polysaccharides
2. Amino acids
3. Proteins
4. Glucose
1. Polysaccharides
2. Amino acids
3. Proteins
4. Glucose
Subtopic: Proteins |
86%
From NCERT
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The tertiary structure of proteins can be destroyed by
1. High energy radiations
2. High temperature
3. Drastic changes in pH
4. All of these
1. High energy radiations
2. High temperature
3. Drastic changes in pH
4. All of these
Subtopic: Enzymes |
85%
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