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Problem 3 - Entrance Test

A newly discovered fungus exhibits aseptate hyphae and produces asexual spores endogenously within sporangia, as well as sexual spores formed by the fusion of two gametangia. Based on these characteristics, it would most likely be classified under:

Correct: D

The characteristics described – aseptate (coenocytic) hyphae, asexual spores (sporangiospores) produced endogenously in sporangia, and sexual spores formed by gametangial copulation (isogamous, anisogamous, or oogamous) – are classic features of Phycomycetes (which includes classes like Oomycetes and Zygomycetes). Ascomycetes have septate hyphae and produce ascospores in asci. Basidiomycetes have septate hyphae and produce basidiospores on basidia. Deuteromycetes (Fungi Imperfecti) are characterized by the absence of sexual reproduction.