Match the following organism with their respective characteristics:
| (a) | Pila | (i) | Flame cells |
| (b) | Bombyx | (ii) | Comb plates |
| (c) | Pleurobrachia | (iii) | Radula |
| (d) | Taenia | (iv) | Malpighian tubules |
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (ii) | (iv) | (i) |
| 2. | (iii) | (ii) | (i) | (iv) |
| 3. | (iii) | (iv) | (ii) | (i) |
| 4. | (ii) | (iv) | (iii) | (i) |
Match the following diseases with the causative organism and select the correct option.
| Column-I | Column-II | ||
| (a) | Gregarious, polyphagous pest | (i) | Asterias |
| (b) | Adult with radial symmetry and larva with bilateral symmetry | (ii) | Scorpion |
| (c) | Book lungs | (iii) | Ctenoplana |
| (d) | Bioluminescence | (iv) | Locusta |
| (a) | (b) | (c) | (d) | |
| 1. | (iv) | (i) | (ii) | (iii) |
| 2. | (iii) | (ii) | (i) | (iv) |
| 3. | (ii) | (i) | (iii) | (iv) |
| 4. | (i) | (iii) | (ii) | (iv) |