| Assertion (A): | Humans are advised to take a diet rich in proteins. |
| Reason (R): | Essential amino acids cannot be synthesized by the human body. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true and (R) is not the correct explanation of (A). |
| 3. | (A) is true, (R) is false. |
| 4. | (A) is false, (R) is true. |
| Column I | Column II | ||
| a. | Down's syndrome | (i) | Bacterial disease |
| b. | Diphtheria | (ii) | Cannot hold I2 |
| c. | Cellulose | (iii) | Congenital disorder |
| d. | Starch | (iv) | Helical secondary structures |
| (a) | Acetic acid is a precursor of a derived lipid called cholesterol. |
| (b) | Lecithin is a phospholipid found in the cell membrane. |
| (c) | Glycerol is trihydroxy propane, considered an alcohol but not a lipid. |
| (d) | Palmitic acid has 16 carbons excluding carboxyl carbon. |
| (e) | Arachidonic acid is a saturated fatty acid which has 19 carbons excluding carboxyl carbon. |
| a. | Trihydroxy propane is an example of a simple lipid. |
| b. | Fatty acids with one or more C = C double bonds are said to be saturated. |
| c. | Palmitic acid has 16 carbons excluding the carboxyl carbon. |
| d. | Lecithin is an example of a phospholipid. |
| Column I | Column II | ||
| (a) | Haem | 1. | Metallic Cofactor |
| (b) | NAD | 2. | Vitamin |
| (c) | Zinc | 3. | Coenzyme |
| (d) | Niacin | 4. | Prosthetic group |
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 357725
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 357725
| Assertion (A): | Adenine cannot pair with cytosine. |
| Reason (R): | Adenine specifically forms hydrogen bonds with guanine whereas cytosine forms hydrogen bond with thymine. |
| 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. |
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 361931
| Assertion (A): | Co-enzyme is a non-protein group without which certain enzymes are inactive or incomplete. |
| Reason (R): | Coenzymes not only provide a point of attachment of the chemical group being transformed but also influence the properties of the 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. |
| Assertion (A): | Competitive inhibitor is also called substrate analogue. |
| Reason (R): | It resembles the enzymes in structure. |
| 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. |
| Assertion (A): | Enzymes lower down the activation energy of the reactant molecule to make its transition into product easier. |
| Reason (R): | Enzymes are highly substrate specific catalysts. |
| 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. |