| 1. | Class | 2. | Genus | 
| 3. | Family | 4. | Species | 
| I: | Biological names are generally in Latin and written in italics. | 
| II: | The first word in a biological name represents the genus while the second component denotes the specific epithet. | 
| III: | Both the words in a biological name, when handwritten, are separately underlined, or printed in italics to indicate their Latin origin. | 
| IV: | The first word denoting the genus starts with a capital letter while the specific epithet starts with a small letter. | 
| 1. | Taxonomy involves the classification and naming of organisms, while systematics is the study of their evolutionary relationships. | 
| 2. | Systematics is concerned only with the classification of organisms, whereas taxonomy includes the evolutionary history. | 
| 3. | Taxonomy and systematics are completely interchangeable terms with no difference. | 
| 4. | Systematics deals with the naming of organisms, and taxonomy deals with their identification. | 
| 1. | Family | 2. | Order | 
| 3. | Species | 4. | Class | 
| I: | Both words in a biological name, when handwritten, are separately underlined. | 
| II: | Systematics takes into account evolutionary relationship between organisms. | 
| III: | In case of animals, classes with a few similar characters are assigned to a higher category called Division. | 
| IV: | Higher the taxonomic category, higher is the ease of determining the relationship to other taxa at the same level. |