| Statement I: | Species confined to a particular region and are not found anywhere else are called endemic species |
| Statement II: | Keystone species are usually abundant in an ecosystem |
| Assertion (A): | The conservation of biodiversity is a collective responsibility of all nations. |
| Reason (R): | Biodiversity knows no political boundaries. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True, but (R) is not the correct explanation of (A). |
| 3. | (A) is True, but (R) is False. |
| 4. | (A) is False, but (R) is True. |