| Statement A | Human heart is protected by a triple walled membranous bag, pericardium, enclosing the pericardial fluid. |
| Statement B | Leucocytes are enucleated and relatively lesser in number which average 6000- 8000 mm-3 of blood. |
| 1. | Both statements A and B are correct |
| 2. | Both statements A and B are incorrect |
| 3. | Only statement A is correct |
| 4. | Only statement B is correct |
| Column I | Column II | ||
| (i) | A | (a) | Anti-B |
| (ii) | AB | (b) | Anti-A |
| (iii) | O | (c) | Nil |
| (iv) | B | (d) | Anti-A, B |
| Column-I | Column-II | ||
| (a) | Monocytes | (i) | Non-nucleated cell fragments |
| (b) | Eosinophils | (ii) | Bilobed nucleus |
| (c) | Neutrophils | (iii) | Nucleus is bean-shaped |
| (d) | Platelets | (iv) | Many lobed nucleus |
| Statement X: | There is reduction in the size of T-wave in coronary ischemia |
| Statement Y: | A thick wall of fibrous tissue called inter-atrial septum separates the right and the left atria |
| Column-I | Column-II | Column -III |
| a. Eosinophils | i. 60%-65% | p. Large, rounded |
| b. Neutrophils | ii. 0.5%-1% | q. Bilobed |
| c. Lymphocytes | iii. 2%-3% | r. Many lobed |
| iv. 20% - 25% | s. Bean shaped |
| Assertion (A): | Blood group 'O' has anti-A and anti-B antibodies. |
| Reason (R): | It does not have antigens. |
| 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): | SA node induces excitatory impulses, when blood is poured by pulmonary veins in the left ventricle. |
| Reason (R): | SA node is self excitatory. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | Both (A) and (R) are True but (R) does not correctly explains (A) |
| 3. | (A) is False but (R) is True |
| 4. | Both (A) and (R) are False |
| Assertion (A): | ECG is a graphical representation of the electrical activity of heart during cardiac cycle. |
| Reason (R): | To obtain a standard ECG, patient is connected with two leads, one with left wrist and one with ankle. |
| 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): | We can determine heart beat by our pulse on wrist. |
| Reason (R): | Systole causes contraction in wrist vessels and diastole causes relaxation. |
| 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. |