Question:
Symbiotic association between fungi and algae are called _______.
Symbiotic association between fungi and algae are called _______.
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Lichen = Fungus + Alga
Mycorrhiza = Fungus + Plant root
Do not confuse these two associations.
Updated On: Jun 21, 2026
- Chrysophytes
- Lichens
- Sponges
- Mycorrhiza
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The Correct Option is B
Solution and Explanation
Concept:
Symbiosis is a biological relationship in which two different organisms live together and both may benefit from each other.
A classic example is the association between algae and fungi.
The algal component performs photosynthesis and provides food, while fungal component absorbs water and minerals and offers protection.
This combined association is known as lichen.
Step 1: Understand role of algae in symbiosis.
Algae contain chlorophyll. They perform photosynthesis using sunlight. As a result, they synthesize carbohydrates. This food supports both partners.
Step 2: Understand role of fungus.
Fungi do not perform photosynthesis. They absorb water and minerals from surroundings. They also provide shelter and protection to algal cells. Thus both organisms benefit.
Step 3: Identify correct biological term.
The combined structure of algae and fungi is called lichen. This is a stable mutualistic association. The term mycorrhiza refers to fungus-root association, not algae-fungus association.
Step 4: Eliminate wrong options.
Chrysophytes = protists Sponges = animals Mycorrhiza = fungi + roots Lichens = fungi + algae Hence correct answer is \[ \boxed{\text{Option (2)}} \]
Step 1: Understand role of algae in symbiosis.
Algae contain chlorophyll. They perform photosynthesis using sunlight. As a result, they synthesize carbohydrates. This food supports both partners.
Step 2: Understand role of fungus.
Fungi do not perform photosynthesis. They absorb water and minerals from surroundings. They also provide shelter and protection to algal cells. Thus both organisms benefit.
Step 3: Identify correct biological term.
The combined structure of algae and fungi is called lichen. This is a stable mutualistic association. The term mycorrhiza refers to fungus-root association, not algae-fungus association.
Step 4: Eliminate wrong options.
Chrysophytes = protists Sponges = animals Mycorrhiza = fungi + roots Lichens = fungi + algae Hence correct answer is \[ \boxed{\text{Option (2)}} \]
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