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Q. No.
Subtopic: Carbohydrates - Classification & D-L configuration |
62%
Level 2: 60%+
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Given below are two statements:
| Assertion (A): | DNA has a double-helix structure and contains thymine base. |
| Reason (R): | The double helix provides structural stability but does not protect the genetic code. |
| 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: DNA, RNA & Metal Ions |
72%
Level 2: 60%+
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Match the compounds in Column-I with their corresponding relationships in Column-II and then choose the correct option from the given choices:
| Column-I (Compounds) | Column-II (Relation) | ||
| (i) | \(\alpha\text -\)Glucose and \(\alpha\text{-}\)Galactose |
(a) | Homologues |
| (ii) | \(\alpha\text -\)Glucose and \(\alpha\text -\)Fructose |
(b) | Epimer |
| (iii) | \(\alpha\text -\)Glucose and \(\beta\text{-}\)Glucose |
(c) | Anomer |
| (iv) | \(\alpha\text{-}\)Ribose and \(\alpha\text{-}\)Glucose |
(d) | Functional isomers |
| 1. | \(\text { (i) } \rightarrow \text { (b); (ii) } \rightarrow \text { (d); (iii) } \rightarrow \text { (a), (iv) } \rightarrow \text { (c) }\) |
| 2. | \(\text { (i) } \rightarrow \text { (b); (ii) } \rightarrow \text { (d); (iii) } \rightarrow \text { (c), (iv) } \rightarrow \text { (a) }\) |
| 3. | \(\text { (i) } \rightarrow \text { (d); (ii) } \rightarrow \text { (b); (iii) } \rightarrow \text { (c), (iv) } \rightarrow \text { (a) }\) |
| 4. | \(\text { (i) } \rightarrow \text { (a); (ii) } \rightarrow \text { (c); (iii) } \rightarrow \text { (d), (iv) } \rightarrow \text { (b) }\) |
Subtopic: Polysaccharides & their Importance |
70%
Level 2: 60%+
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Which of the following is true regarding coagulation of egg?
1. 1° structure does not change
2. 2° structure does not change
3. 3° structure does not change
4. Denaturation of protein does not occur
1. 1° structure does not change
2. 2° structure does not change
3. 3° structure does not change
4. Denaturation of protein does not occur
Subtopic: Denaturation of Proteins & Chemical Properties |
92%
Level 1: 80%+
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Which of the following statements is incorrect?
| 1. | Enzymes are biocatalysts |
| 2. | Enzymes are not specific |
| 3. | Enzymes are globular proteins |
| 4. | Oxidase enzymes catalyse the oxidation of C-N and C-O bonds |
Subtopic: Vitamins, Hormones & Enzymes |
88%
Level 1: 80%+
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Which one of the following is a water-soluble vitamin that is not excreted easily?
| 1. | Vitamin \(\text{B}_2\) | 2. | Vitamin \(\text{B}_1\) |
| 3. | Vitamin \(\text{B}_6\) | 4. | Vitamin \(\text{B}_{12}\) |
Subtopic: Vitamins, Hormones & Enzymes |
82%
Level 1: 80%+
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Match List-I with List-II:
Choose the correct answer from the options given below:
| List-I (Types of enzymes) |
List-II (Sources or Functions) |
||
| A. | Zymase | I | Stomach |
| B. | Diastase | II | Yeast |
| C. | Urease | III | Malt |
| D. | Pepsin | IV | Soyabean |
| 1. | A-II, B-III, C-I, D-IV | 2. | A-II, B-III, C-IV, D-I |
| 3. | A-III, B-II, C-IV, D-I | 4. | A-III, B-II, C-I, D-IV |
Subtopic: Vitamins, Hormones & Enzymes |
68%
Level 2: 60%+
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The stability of \(\alpha-\)Helix structure of proteins depends upon:
1. Dipolar interaction
2. H-bonding interaction
3. Van der Walls forces
4. \(\pi-\)stacking interaction
1. Dipolar interaction
2. H-bonding interaction
3. Van der Walls forces
4. \(\pi-\)stacking interaction
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
87%
Level 1: 80%+
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Which of the following protein structures remains unaffected by heating?
1. Secondary Structure
2. Tertiary Structure
3. Primary Structure
4. Quaternary Structure
1. Secondary Structure
2. Tertiary Structure
3. Primary Structure
4. Quaternary Structure
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
86%
Level 1: 80%+
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Given below are two statements.
In light of the above statements, choose the correct answer from the options given below.
| Assertion (A): | Amylose is a water-insoluble component. |
| Reason (R): | Amylose is a long linear molecule with more than 200 glucose units. |
In light of the above statements, choose the correct answer from the options given below.
| 1. | Both (A) and (R) are True, and (R) is the correct explanation for (A). |
| 2. | Both (A) and (R) are True, but (R) is not the correct explanation for (A). |
| 3. | (A) is True, but (R) is False. |
| 4. | (A) is False, but (R) is True. |
Subtopic: Polysaccharides & their Importance |
56%
Level 3: 35%-60%
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