Diversity in Living Organisms — Science STD 9 — Question
Gujarat BoardEnglish MediumSTD 9ScienceDiversity in Living Organisms1 Mark
MCQ
Lichen is a symbiotic association between:
A
Virus and fungi.
✓
Algae and fungi.
C
Algae and bacteria.
D
Algae and Amoeba.
✓
Answer
Correct option: B.
Algae and fungi.
A lichen is not a single organism; it is a stable symbiotic association between a fungus and algae and / or cyanobacteria. The lichen symbiosis is thought to be a mutualism, since both the fungi and the photosynthetic partners, called photobionts, benefit.
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