| 1. | (D), (B), (A), (E), (C) | 2. | (A), (B), (D), (E), (C) |
| 3. | (D), (A), (B), (E), (C) | 4. | (A), (D), (B), (C), (E) |
| 1. | Homo erectus | 2. | Neanderthal man |
| 3. | Homo habilis | 4. | Australopithecus |
| A: | Viruses grown in the presence of radioactive phosphorus contained radioactive DNA. |
| B: | Viruses grown on radioactive sulphur contained radioactive proteins. |
| C: | Viruses grown on radioactive phosphorus contained radioactive protein |
| D: | Viruses grown on radioactive sulphur contained radioactive DNA |
| E: | Viruses grown on radioactive protein contained radioactive DNA |
| 1. | (D) and (E) only | 2. | (A) and (B) only |
| 3. | (A) and (C) only | 4. | (B) and (D) only |
| Assertion (A): | A person goes to high altitude and experiences "Altitude Sickness" with symptoms like breathing difficulty and heart palpitations. |
| Reason (R): | Due to low atmospheric pressure at high altitude, the body does not get sufficient oxygen |
| 1. | (A) is True but (R) is False |
| 2. | (A) is False but (R) is True |
| 3. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 4. | Both (A) and (R) are True but (R) is not the correct explanation of (A) |
| 1. | (A) and (D) only | 2. | (B) and (C) only |
| 3. | (A) and (B) only | 4. | (C) and (D) only |
| (A) | Activation of JG cells and release of renin |
| (B) | Angiotensin II activated release of aldosterone |
| (C) | Fall in glomerular blood pressure |
| (D) | Reabsorption of Na+ and water from distal convoluted tubule |
| (E) | Angiotensinogen is converted to Angiotensin I and then to Angiotensin II |
| 1. | (C), (A), (E), (B), (D) | 2. | (A), (D), (E), (C), (B) |
| 3. | (A), (D), (C), (B), (E) | 4. | (B), (A), (E), (D), (C) |
| A: | BOD is inversely related to dissolved oxygen |
| B: | Low dissolved oxygen and high BOD lead to loss of aquatic life. |
| C: | High BOD leads to high dissolved oxygen |
| D: | Both BOD and dissolved oxygen are indicator of health of a water body |
| E: | Both BOD and dissolved oxygen are affected by amount of organic matter in the water body. |
| 1. | (A), (B), (C), (E) only | 2. | (A), (B), (D), (E) only |
| 3. | (A), (B), (C), (D) only | 4. | (B), (C), (D), (E) only |
| Statement I: | Parathyroid hormone acts on bones and stimulates the process of bone resorption |
| Statement II: | Parathyroid hormone along with Thyrocalcitonin plays a significant role in carbohydrate metabolism. |
| List-I | List-II | ||
| (A) | Gene therapy | (I) | Separation of DNA fragments |
| (B) | RNA interference | (II) | Diagnostic test for AIDS |
| (C) | ELISA | (III) | Cellular defense |
| (D) | Gel Electrophoresis | (IV) | Allows correction of a gene defect |
| Options: | (A) | (B) | (C) | (D) |
| 1. | IV | I | II | III |
| 2. | IV | II | III | I |
| 3. | IV | III | II | I |
| 4. | IV | III | I | II |