| 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 |
| 1. | A-III, B-IV, C-II, D-I | 2. | A-II, B-I, C-IV, D-III |
| 3. | A-III, B-IV, C-I, D-II | 4. | A-I, B-IV, C-II, D-III |
Match the items given in Column-I with those in Column-II and select the correct option given below:
| Column-I | Column-II | ||
| (a) | Tricuspid valve | (i) | Between left atrium and left ventricle |
| (b) | Bicuspid valve | (ii) | Between right ventricle and pulmonary artery |
| (c) | Semilunar valve | (iii) | Between right atrium and right ventricle |
| Options: | (a) | (b) | (c) |
| 1. | (iii) | (i) | (ii) |
| 2. | (i) | (iii) | (ii) |
| 3. | (i) | (ii) | (iii) |
| 4. | (ii) | (i) | (iii) |