MCQOPTIONS
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| 1. |
Lichens are __________ |
| A. | symbiotic existence of blue-green algae and fungi |
| B. | symbiotic existence of rhizobium bacteria in the roots of leguminous plants |
| C. | co-existence of coral reef with zooxanthellae |
| D. | existence of mycorrhiza along with leguminous plants |
| Answer» D. existence of mycorrhiza along with leguminous plants | |