MCQ
The relation between algae and fungi in a lichen is:
- ASymbiosis.
- BParasitism.
- CCommensalism.
- DProtocooperation.
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| Column $I$ | Column $II$ |
| ($a$) Ovary | ($i$) Human chorionic Gonadotropin |
| ($b$) Placenta | ($ii$) Estrogen and Progesterone |
| ($c$) Corpus Iuteum | ($iii$) Androgens |
| ($d$)Leydig cells | ($iv$)Progesterone only |