| A. | Nodal tissue | 
| B. | A special neural centre in the medulla oblongata | 
| C. | Adrenal medullary hormones | 
| D. | Adrenal cortical hormones | 
| 1. | A, C and D only | 
| 2. | A, B and D only | 
| 3. | A, B and C only | 
| 4. | A, B C and D | 
| List I | List II | ||
| A. | P wave | I. | Heart muscles are electrically silent | 
| B. | QRS complex | II. | Depolarisation of ventricles. | 
| C. | T wave | III. | Depolarisation of atria. | 
| D. | T-P gap | IV. | Repolarisation of ventricles. | 
| List-I | List-II | ||
| A. | Tricuspid valves | I. | Guards the opening between right atrium and right ventricle | 
| B. | Sino-atrial node | II. | Guards the opening between the left atrium and the left ventricle | 
| C. | Mitral valves | III. | Guards the opening of right and left ventricles into pulmonary artery and aorta, respectively | 
| D. | Semilunar valves | IV. | Cardiac musculature in the right upper corner of right atrium | 
| List I | List II | ||
| A. | P-wave | I. | Beginning of systole | 
| B. | Q-wave | II. | Repolarisation of ventricles | 
| C. | QRS complex | III. | Depolarisation of atria | 
| D. | T-wave | IV. | Depolarisation of ventricles | 
| Options: | A | B | C | D | 
| 1. | I | II | III | IV | 
| 2. | III | I | IV | II | 
| 3. | IV | III | II | I | 
| 4. | II | IV | I | II | 
| A: | Basophils are most abundant cells of the total WBCs. | 
| B: | Basophils secrete histamine, serotonin and heparin. | 
| C: | Basophils are involved in inflammatory response. | 
| D: | Basophils have kidney shaped nucleus. | 
| E: | Basophils are agranulocytes. | 
| 1. | A and B only | 2. | D and E only | 
| 3. | C and E only | 4. | B and C only | 
| List-I (ECG) | List-II (Electrical activity of heart) | ||
| (A) | P-wave | (I) | Depolarisation of ventricles | 
| (B) | QRS complex | (II) | End of systole | 
| (C) | T wave | (III) | Depolarisation of atria | 
| (D) | End of T wave | (IV) | Repolarisation of ventricles | 
| Options: | (A) | (B) | (C) | (D) | 
| 1. | IV | I | III | II | 
| 2. | I | IV | III | II | 
| 3. | IV | III | I | II | 
| 4. | III | I | IV | II | 
| List-I | List-II | ||
| (A) | Eosinophils | (I) | 6-8% | 
| (B) | Lymphocytes | (II) | 2-3% | 
| (C) | Neutrophils | (III) | 20-25% | 
| (D) | Monocytes | (IV) | 60-65% | 
| Options: | (A) | (B) | (C) | (D) | 
| 1. | IV | I | II | III | 
| 2. | IV | I | III | II | 
| 3. | II | III | IV | I | 
| 4. | II | III | I | IV |