gs1easy

Lichens, which are capable of initiating ecological succession even on a bare rock, are actually a symbiotic association of

  1. A.algae and bacteria
  2. B.algae and fungi
  3. C.bacteria and fungi
  4. D.fungi and mosses
▶ Answer & Explanation

Correct answer: B. algae and fungi

Lichens are composite organisms arising from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship. The fungus provides structure and protection, while the algae or cyanobacteria provide food through photosynthesis. This symbiotic relationship allows lichens to colonize harsh environments like bare rocks, paving the way for other plant life.

Source: UPSC gs1 2014

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