Home Biology Biological Classification Skill Builder Select the correct match from the given opti…
Biology Biological Classification Skill Builder Single Correct MCQ
Published on: August 13, 2026

Select the correct match from the given option.

A
Occurrence of dikaryotic stage-ascomycetes and basidiomycetes.
B
Saprophytes-They are autotrophic and absorb soluble organic matter from dead substrates.
C
Vegetative mean of reproduction in fungi-fragmentation,budding and sporangiophores.
D
Steps involved in asexual cycle of fungi-plasmogamy,karyogamy and meiosis in zygote resulting in haploid spores.

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Text Solution

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The correct answer is:
A

In fungi such as Ascomycetes and Basidiomycetes, a unique intervening stage occurs after the fusion of cytoplasm (plasmogamy) but before the fusion of nuclei (karyogamy). During this phase, each cell contains two genetically distinct haploid nuclei (n+n), a condition known as a dikaryon. This dikaryotic stage is a hallmark of these higher fungi.

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