| Statement I: | Lichen is a stable symbiotic association between a fungus and algae and/or cyanobacteria. |
| Statement II: | Mycorrhiza is a symbiotic relationship between a fungus and a plant's root system. |
| 1. | Statement I is correct; Statement II is correct |
| 2. | Statement I is correct; Statement II is incorrect |
| 3. | Statement I is incorrect; Statement II is correct |
| 4. | Statement I is incorrect; Statement II is incorrect |
| Assertion (A): | Lichens are considered excellent indicators of air pollution. |
| Reason (R): | They thrive in polluted areas as they use the pollutants as nutrients. |
| 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 (R) |
| 3. | (A) is True but (R) is False |
| 4. | (A) is False but (R) is True |