Mycology MCQs (Quiz 4) Posted on June 16, 2026Author agropublishers 0 1. Aflatoxins are highly toxic and carcinogenic mycotoxins produced primarily by the toxigenic strains of the fungi _____________ Rhizopus stolonifer Saccharomyces cerevisiae Puccinia graminis Aspergillus flavus 2. The breakdown of dead organic matter in ecosystems is mainly performed by _______ Fungi Plants Animals Viruses 3. Rust disease of wheat is caused by _______ Fusarium oxysporum Claviceps purpurea Puccinia graminis Alternaria solani 4. Yeast reproduces asexually mainly by _______ Spore formation Binary fission Budding Fragmentation 5. Penicillin, the world’s first true antibiotic, is produced naturally by species within the fungal genus ______________ Aspergillus Penicillium Rhizopus Mucor 6. Which of the following groups is a eukaryotic organism? Cyanobacterium Bacterium Virus Fungus 7. The fungus used in bread and alcohol production is _______ Penicillium chrysogenum Aspergillus flavus Saccharomyces cerevisiae Rhizopus nigricans 8. Bread mold commonly belongs to the genus _______ Aspergillus Saccharomyces Penicillium Rhizopus 9. Which biogeochemical cycle is significantly influenced by fungal decomposition? Phosphorus cycle Nitrogen cycle Carbon cycle All of these 10. The scientific study of mushrooms is known as _______ Phycology Lichenology Bryology Mycology Loading … Question 1 of 10
