Class 11 · Biological Classification

Ascomycetes: Unicellular & Multicellular — NEET Biology

✅ Asked in NEET 2018
📖 NCERT Source

Commonly known as sac-fungi, the ascomycetes are mostly multicellular, e.g., Penicillium, or rarely unicellular, e.g., yeast (Saccharomyces). They are saprophytic, decomposers, parasitic or coprophilous (growing on dung). Mycelium

NCERT Biology · Class 11 · Chapter 2 · Paragraph 39
How NTA Uses This Concept

NTA focuses on the dual nature of ascomycetes—most are multicellular (Penicillium) but yeast (Saccharomyces) is uniquely unicellular, making it eukaryotic despite being single-celled. Students often confuse unicellular organisms with prokaryotes, incorrectly classifying yeast as bacteria. The key distinction: yeast has a membrane-bound nucleus and organelles, so it's a eukaryotic fungus, not a prokaryote. Remember—unicellular doesn't mean prokaryotic; yeast cells contain all eukaryotic features packed into one cell.

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Which among the following is not a prokaryote? NEET 2018

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