The most abundant protein in animal world is
1. Chitin 
2. Collagen
3. Peptidoglycan
4. Hyaluronic acid
 

Subtopic:  Proteins | Introduction to Proteins |
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The amino acids in a protein are held together by
1. Glycosidic bond
2. Phosphodiester bond
3. Peptide bond 
4. Hydrogen bond
Subtopic:  Proteins | Introduction to Proteins |
 88%
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A protein found in silk which exhibits β\beta pleated structure is
1. Flbroln
2. Haemoglobin
3. Enzyme
4, α\alpha- Keratin 
Subtopic:  Proteins |
 68%
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An example of protein with quaternary structure is 
1. Myoglobin
2. Haemoglobin
3. Keratin
4. All of these
 
Subtopic:  Proteins |
 76%
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Lecithin is a 
1. Type of wax
2. Phospholipid
3. Oil 
4. Simple fatty acid
Subtopic:  Lipids |
 92%
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The primary precursor for the production of cholesterol in our body is 
1. Acetic acid
2. Citric acid
3. Ethyl alcohol
4. Methanol
Subtopic:  METABOLIC BASIS FOR LIVING (OLD NCERT) |
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The pentose sugar present in RNA is
1. Galactose 
2. Sucrose
3. Ribose 
4. Fructose
 
Subtopic:  Nucleic Acid |
 91%
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A nucleoside is composed of
1. Sugar + Nitrogenous base
2. Sugar + Phosphate
3. Nitrogenous base + Phosphate
4. Purine + Pyrimidine
 
Subtopic:  The DNA |
 85%
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In B-DNA, one full turn of the helical strand contains
1. 11 base pairs
2. 8 base pairs
3. 10 base pairs
4. 9 base pairs
 
Subtopic:  The DNA |
 92%
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In B-DNA, the rise per base pair would be
1. 4.3 A 
2. 2.4 A
3. 3.4 A 
4. 4.2 A 
Subtopic:  The DNA |
 92%
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