| 1. | The habitat of the particular organism |
| 2. | Genetic information of the specimens |
| 3. | Collection of actual specimens |
| 4. | Complete information of the ecosystem of the organisms |
| Column I | Column II | ||
| A | Flora | (i) | Contains actual account of habitat and description of plants |
| B | Monograph | (ii) | Helps in correct identification of plants |
| C | Botanical garden | (iii) | Contains information of any one taxon |
| D | Manual | (iv) | Provide index to the plant species found in a particular area |
| A | B | C | D | |
| 1. | (ii),(iii) | (i), (ii) | (ii),(iii), (iv) | (iv) |
| 2. | (i),(ii), (iv) | (ii), (iii) | (ii) | (ii) |
| 3. | (i), (iii) | (iii) | (ii), (iv) | (i), (ii) |
| 4. | (iii) | (i),(ii) | (iii), (iv) | (i), (ii), (iii) |
| 1. | Are very different from each other in their basic properties |
| 2. | Have morphological similarities |
| 3. | Can be placed in different families |
| 4. | Cannot be differentiated on the basis of their morphological features |