Regarding polysaccharides:
I: Cellulose does not contain complex helices.
II: Inulin is a polymer of fructose.
III: Left end of glycogen is the reducing end
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct

Subtopic:  Carbohydrates | Carbohydrates: Starch & Glycogen | Carbohydrates: Cellulose, Chitin, Inulin & Agar |
 71%
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Identify the incorrect statement:
1. Zinc is a cofactor for carboxypeptidase
2. NADP contains the vitamin cyanocobalamin
3. Malonate is a competitive inhibitor of Succinic dehydrogenase
4. Haem is the prosthetic group in peroxidase
Subtopic:  Enzyme Cofactors |
 82%
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Identify the correct statement:
 
1. α amino acids are substituted methanes
2. Only triglycerides are lipids that are both macromolecules as well as polymers
3. Cellulose forms secondary helical structures and can hold iodine molecules in the helical portion
4. Every virus will have both DNA and RNA as its genetic material
Subtopic:  Amino Acids |
 76%
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Regarding various levels of protein structure, which of the following is not true?
 
1. The positional information of amino acids in a protein is called the primary structure.
2. Alpha helix is a secondary structure and beta pleated sheet is a tertiary structure of a protein.
3. Tertiary structure is absolutely necessary for the many biological activities of proteins.
4. Quaternary structures are seen in proteins made of more than one polypeptide chain.
Subtopic:  Proteins |
 86%
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The simplest α amino acid is:

1. Glycine 2. Alanine
3. Serine 4. Lysine
Subtopic:  Amino Acids |
 92%
From NCERT
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Identify the amino acid shown in the given figure:
  
1. Glycine 2. Alanine
3. Serine 4. Lysine
Subtopic:  Amino Acids |
 83%
From NCERT
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All the following are examples of basic amino acids except:
1. Lysine 2. Histidine
3. Arginine 4. Valine
Subtopic:  Amino Acids |
 78%
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Identify the lipid shown in the given figure:
1. Glycerol
2. Fatty acid
3. Sphingosine
4. Cerebroside
Subtopic:  Lipids |
 91%
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Consider the given two statements:
I: Gingelly oil remains as oil in winters.
II: The fatty acid components of the oil are all saturated.
 
1. Both I and II are correct and II correctly explains I
2. Both I and II are correct but II does not correctly explain I
3. I is correct but II is incorrect
4. I is incorrect but II is correct
Subtopic:  Lipids |
 62%
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Which of the following given molecules will be a structural component of the cell membrane in an animal cell?
I:
II:
III:
IV:
 
1. Only I and II 2. Only I and III
3. Only III and IV 4. I, II, III and IV
Subtopic:  Lipids |
 67%
From NCERT
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