Select Chapter Topics:
Q. No.
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 |
73%
Level 2: 60%+
Hints
| 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
| Assertion (A): | The long protein chain is folded upon itself like a hollow giving rise to the tertiary structure. |
| Reason (R): | Tertiary structure gives a 3-D form to protein. |
| 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 | Introduction to Proteins |
58%
Level 3: 35%-60%
Hints
| Assertion (A): | Most of the enzymes are proteins. |
| Reason (R): | Few enzymes are made up of RNA. |
| 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: Enzymes |
76%
Level 2: 60%+
Hints
| Assertion (A): | The protein part of enzyme is called apoenzyme. |
| Reason (R): | Zinc acts as prosthetic group of the enzyme carboxypeptidase. |
| 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 Cofactors |
59%
Level 3: 35%-60%
Hints
Assertion (A): Hydrolases are the enzymes which catalyse the hydrolysis of ester, ether, peptide and glycosidic bonds.
Reason (R): Lyases functions as ligases.
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.
Reason (R): Lyases functions as ligases.
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: Enzymes Classification |
87%
Level 1: 80%+
Hints
| Assertion (A): | Enzymes get denatured at high temperature |
| Reason (R): | Inorganic catalyst work efficiently at high temperatures. |
| 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 Catalysis | Properties of Enzymes |
90%
Level 1: 80%+
Hints
| Assertion(A): | Enzymes are divided into eight different classes. |
| Reason(R): | The most important of all classes is ligases. |
| 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: Enzymes Classification |
78%
Level 2: 60%+
Hints
Which of the following is true for non-competitive enzyme inhibition?
| 1. | Vmax decreases, Km remains same |
| 2. | Inhibitor can attach with the enzyme at a region other than active site |
| 3. | A typical example is cyanide inhibiting cytochrome oxidase |
| 4. | More than one option is true. |
Subtopic: Enzyme Inhibition: Introduction | Enzyme Inhibition |
71%
Level 2: 60%+
Hints
Inulin is a collection of:
1. Fructose polymers
2. Sucrose polymers
3. Lactose polymers
4. Glucose polymers
1. Fructose polymers
2. Sucrose polymers
3. Lactose polymers
4. Glucose polymers
Subtopic: Carbohydrates | Carbohydrates: Cellulose, Chitin, Inulin & Agar |
96%
Level 1: 80%+
Hints
Select Chapter Topics:
© 2026 GoodEd Technologies Pvt. Ltd.