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Q. No.Given below are two statements:
Assertion (A):
β -Glycosidic linkage is present in maltose.
Reason (R):
Maltose is composed of two glucose units in which C1 of one glucose unit is linked to C4 of another glucose unit.
1.
(A) and (R) both are correct statements and (R) explain the (A).
2.
(A) and (R) both are correct statements but (R) does not explain (A).
3.
(A) is the correct statement and (R) is the wrong statement.
4.
(A) is the wrong statement and (R) is the correct statement.
Subtopic: Polysaccharides & their Importance |
56%
Level 3: 35%-60%
Hints
Given below are two statements:
| Assertion (A): | All naturally occurring α -amino acids except glycine are optically active. |
| Reason (R): | Most naturally occurring amino acids have L-configuration. |
| 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. | (A) is False but (R) is True. |
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
74%
Level 2: 60%+
Hints
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| Assertion (A): | Deoxyribose, , is not a carbohydrate. |
| Reason (R): | Carbohydrates are hydrates of carbon so compounds that follow the formula are carbohydrates. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are False. |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Polysaccharides & their Importance |
Level 3: 35%-60%
Hints
Given below are two statements:
| Assertion (A): | Glycine must be taken through diet. |
| Reason (R): | It is an essential amino acid. |
| 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: α - Amino Acids, Peptide Bond, Proteins & Structure |
72%
Level 2: 60%+
Hints
Given below are two statements:
| Assertion (A): | In presence of an enzyme, the substrate molecule can be attacked by the reagent effectively. |
| Reason (R): | Active sites of enzymes hold the substrate molecule in a suitable position. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are FALSE. |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
87%
Level 1: 80%+
Hints
Given below are two statements:
| Assertion (A): | Vitamin D can be stored in our bodies. |
| Reason (R): | Vitamin D is a fat-soluble vitamin. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are False. |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Vitamins, Hormones & Enzymes |
83%
Level 1: 80%+
Hints
Given below are two statements:
| Assertion (A): | D (+) - Glucose is dextrorotatory in nature. |
| Reason (R): | D represents its dextrorotatory nature. |
| 1. | (A) and (R) both are correct statements and (R) explains the (A). |
| 2. | Both (A) and (R) are wrong statements. |
| 3. | (A) is the correct statement and (R) is the wrong statement. |
| 4. | (A) is the wrong statement and (R) is the correct statement. |
Subtopic: Carbohydrates - Classification & D-L configuration |
67%
Level 2: 60%+
Hints
Match the following enzymes given in Column I with the reactions they catalyze given in Column II:
| Column I (Enzymes) | Column II (Reactions) | ||
| A. | Invertase | 1. | Decomposition of urea into NH3 and CO2 |
| B. | Maltase | 2. | Conversion of glucose into ethyl alcohol. |
| C. | Zymase | 3. | Hydrolysis of maltose into glucose. |
| D. | Urease | 4. | Hydrolysis of cane sugar. |
Codes:
| Options: | A | B | C | D |
| 1. | 2 | 3 | 4 | 1 |
| 2. | 3 | 1 | 4 | 2 |
| 3. | 1 | 4 | 3 | 2 |
| 4. | 4 | 3 | 2 | 1 |
Subtopic: Vitamins, Hormones & Enzymes |
85%
Level 1: 80%+
Hints
Match the vitamins given in Column-I with the deficiency disease they cause given in Column-II.
| Column-I (Vitamins) | Column-II (Diseases) | ||
| A. | Vitamin B12 | (i) | Muscular weakness |
| B. | Vitamin E | (ii) | Increased blood clotting time |
| C. | Vitamin K | (iii) | Osteomalacia |
| D. | Vitamin D | (iv) | Pernicious anemia |
| A | B | C | D | |
| 1. | (ii) | (iii) | (iv) | (i) |
| 2. | (iii) | (i) | (ii) | (iv) |
| 3. | (iv) | (i) | (ii) | (iii) |
| 4. | (i) | (iii) | (iv) | (ii) |
Subtopic: Vitamins, Hormones & Enzymes |
91%
Level 1: 80%+
Hints
Examples of globular proteins are:
| (a) | Insulin | (b) | Keratin |
| (c) | Albumin | (d) | Myosin |
Choose the correct option :
1. (a) and (b)
2. (b) and (c)
3. (c) and (d)
4. (a) and (c)
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
72%
Level 2: 60%+
Hints
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