Consider the given two statements:
| I. | Agar is used to provide a growth medium for bacteria and fungi culture. |
| II. | Agar is indigestible for many organisms. |
| 1. | Both I and II are correct and II explains I |
| 2. | Both I and are correct but II does not explain I |
| 3. | I is correct and II is incorrect |
| 4. | Both I and II are incorrect |