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Biology · BIOLOGICAL CLASSIFICATION

हिन्दी

Genera such as Alternaria, Colletotrichum, and Trichoderma belong to Deuteromycetes. What are their major ecological functions and structural characteristics?

  1. Coenocytic hyphae; obligate nitrogen-fixers in root nodules
  2. Septate and branched mycelium; decomposers of litter assisting in mineral cycling
  3. Unicellular non-motile cells; specialized obligate autotrophs
  4. Aseptate mycelium; primary aquatic primary producers

Correct answer · Option 2

Septate and branched mycelium; decomposers of litter assisting in mineral cycling

Explanation

Deuteromycetes have septate and branched mycelium. Many members are decomposers of litter and help in mineral cycling (e.g., Alternaria, Colletotrichum, Trichoderma).
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