Assertion (A): All the proteinaceous enzymes have a 3-D structure.
Reason (R): The secondary structure of protein is according to amino acid present inside the polypeptides.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.

Subtopic:  Element Analysis | Enzyme Introduction |
 50%
Level 3: 35%-60%
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Assertion (A): Glutamine contains amide group.
Reason (R): Isoelectric point of glutamine is 7.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Amino Acids | Proteins |
Level 3: 35%-60%
Hints

Assertion (A): Starch is a polymer of glucose.
Reason (R): It is made of several glucose units.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Carbohydrates | Carbohydrates: Starch & Glycogen |
 88%
Level 1: 80%+
Hints

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Assertion (A): Keratin sulphate consists of acetyl glucosamine, galactose and sulphuric acid.
Reason (R): Keratin provides strength and flexibility to skin and cornea.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Proteins |
 61%
Level 2: 60%+
Hints

Assertion (A): Glycine is a neutral amino acid.
Reason (R): Glycine contains one amino group and one carboxyl group.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
 
Subtopic:  Amino Acids | Different Amino Acids |
 74%
Level 2: 60%+
Hints

Assertion (A): An example of non-competitive inhibitor is cyanide.
Reason (R): Cyanide kills animals by inhibiting cytochrome oxidase.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.

 
Subtopic:  Enzyme Inhibition: Introduction | Enzyme Inhibition | Properties of Enzymes |
Level 3: 35%-60%
Hints

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Assertion (A): Amino acids are called \(\alpha\)-amino acids.
Reason (R): Amino acids are organic compounds containing an amino group and an acidic group as substituents on the  \(\alpha\)-carbon.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Amino Acids | Proteins | Different Amino Acids |
 89%
Level 1: 80%+
Hints

Assertion (A): A protein is a heteropolymer.
Reason (R): It is a made of different types of amino acids.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
 
Subtopic:  Amino Acids | Proteins |
 94%
Level 1: 80%+
Hints

Assertion (A): The exoskeleton of insects is made of chitin.
Reason (R): Chitin is a homopolysaccharide.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Carbohydrates | Carbohydrates: Cellulose, Chitin, Inulin & Agar |
 72%
Level 2: 60%+
Hints

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Assertion (A): The heterocyclic compounds in nucleic acids are the nitrogenous bases.
Reason (R): There are five types of nitrogenous bases which exists naturally.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Nucleic Acid | Nucleic Acid: Nucleotides |
 82%
Level 1: 80%+
Hints