Give the mode of nutrition in fungi.
GeneralClass 12AllAnswered 27 Mar 2026
Answer
Solution: Fungi exhibit heterotrophic nutrition (cannot synthesize their own food due to absence of chlorophyll).
Types of Heterotrophic Nutrition in Fungi:
- Saprophytic/Saprotrophic:
- Feed on dead organic matter
- Examples: Rhizopus, Mucor, mushrooms
- Ecological role: Decomposers
- Parasitic:
- Derive nutrition from living hosts
- Examples: Puccinia (rust), Ustilago (smut)
- Cause diseases in plants and animals
- Symbiotic:
- Mutually beneficial associations
- Examples: Lichens (fungi + algae), Mycorrhiza (fungi + plant roots)
Absorption Mechanism:
- Secrete extracellular enzymes
- Break down complex organic molecules
- Absorb simple nutrients through hyphae
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