Lichens
Easybiology
Lichens represent a mutualistic association between which two types of organisms?
Select the correct option:
Solution
Incorrect! Answer:
Fungus and Cyanobacteria/Alga
- Symbiosis: A lichen is a single life form that is a stable symbiotic association between a fungus and an algae/cyanobacteria.
- Partners:
- Mycobiont: The fungal component (usually Ascomycetes). It provides shelter and absorbs minerals/water for its partner.
- Phycobiont (or Photobiont): The algal component (e.g., green algae or cyanobacteria). It prepares food through photosynthesis.
- Mutualism: Both partners benefit from this close physical association, allowing them to live in harsh environments where neither could survive alone.
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About This Question
- Subject
- biology
- Chapter
- diversity in living world
- Topic
- lichens
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
Fungus and Cyanobacteria/Alga
- Symbiosis: A lichen is a single life form that is a stable symbiotic association between a fungus and an algae/cyanobacteria.
- Partners:
- Mycobiont: The fungal component (usually Ascomycetes). It provides shelter and absorbs minerals/water for its partner.
- Phycobiont (or Photobiont): The algal component (e.g., green algae or cyanobacteria). It prepares food through photosynthesis.
- Mutualism: Both partners benefit from this close physical association, allowing them to live in harsh environments where neither could survive alone.
This easy difficulty biology question is from the chapter diversity in living world, covering the topic of lichens. It appeared in the 2025 exam.
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