Lichens are dual organisms formed by a symbiotic association between a fungus (mycobiont) and a photosynthetic partner (alga or cyanobacterium, photobiont). The fungus provides structure and protection, while the alga or cyanobacterium performs photosynthesis, producing food for both.
Which of the following is a dual organism?
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Question context
This question is part of 🧩 Logical Reasoning within the broader 🧠 Aptitude Mastery subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.