| 1. | Aldosterone and Prolactin |
| 2. | Progesterone and Aldosterone |
| 3. | Estrogen and Parathyroid hormone |
| 4. | Parathyroid hormone and Prolactin |
| 1. | Earthworm | 2. | Tunicate |
| 3. | Moth | 4. | Starfish |
| 1. | Dinoflagellates | 2. | Diatoms |
| 3. | Cyanobacteria | 4. | Euglenoids |
Ciliates differ from all other protozoans in?
| 1. | using flagella for locomotion |
| 2. | having a contractile vacuole for removing excess water |
| 3. | using pseudopodia for capturing prey |
| 4. | having two types of nuclei |
| 1. | Presence of a boat shaped sternum on the 9th abdominal segment |
| 2. | Presence of caudal styles |
| 3. | Forewings with darker tegmina |
| 4. | Presence of anal cerci |
| 1. | Inflammation of bronchioles; decreased respiratory surface |
| 2. | Increased number of bronchioles; increased respiratory surface |
| 3. | Increased respiratory surface; inflammation of bronchioles |
| 4. | Decreased respiratory surface; inflammation of bronchioles |
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) |