GyanGram
ATTEMPT · ENVIRONMENT · PRELIMS 2014
Lichens, which are capable of initiating ecological succession even on a bare rock, are actually a symbiotic…
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Lichens, which are capable of initiating ecological succession even on a bare rock, are actually a symbiotic association of
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• Correct Answer: B
• Lichens are a mutualistic symbiotic association between a fungus (mycobiont) and a photosynthetic partner—green algae or cyanobacteria (photobiont).
• The fungus provides structural support and water/mineral absorption; the alga/cyanobacterium produces carbohydrates via photosynthesis.
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