| 1. | Increase |
| 2. | Decrease |
| 3. | Remain same |
| 4. | May increase in polar regions and decrease in tropical regions |
| I: | each organism has only one name. |
| II: | such a name has not been used for any other known organism. |
| 1. | Biological names are Latinised or derived from Latin irrespective of their origin. |
| 2. | The first word in a biological name represents the genus while the second component denotes the specific epithet. |
| 3. | Both the words in a biological name, when printed, are separately underlined, or handwritten in italics. |
| 4. | The first word denoting the genus starts with a capital letter while the specific epithet starts with a small letter. |
| Assertion (A): | Before assigning a biological name to a living organism, it is essential to identify the organism correctly. |
| Reason (R): | Nomenclature or naming is only possible when the organism is described correctly and we know to what organism the name is attached to. |
| 1. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 2. | (A) is True but (R) is False. |
| 3. | Both (A) and (R) are True and (R) correctly explains (A). |
| 4. | (A) is False but (R) is True. |
| Statement I: | Classification of living organisms is important to make study of living organisms possible. |
| Statement II: | Classification is the process by which anything is grouped into convenient categories based on some easily observable characters. |
| Statement I: | The scientific term for convenient categories we use to study organisms is taxa. |
| Statement II: | An organism can belong to only one taxon. |