Mycology MCQs (Quiz 9) Posted on June 16, 2026Author agropublishers 0 1. The sporangia of Phytophthora may germinate directly by producing _______________ Oospores Basidiospores Germ tubes Ascospores 2. The female gametangium in Oomycetes is called __________________ Sporangium Oogonium Antheridium Ascus 3. The sexual process involving fusion of morphologically similar gametes is called __________________ Somatogamy Isogamy Conjugation Oogamy 4. The disease responsible for the Irish Potato Famine was caused by _______________________ Pythium aphanidermatum Phytophthora infestans Albugo candida Saprolegnia spp. 5. The diploid (2n) phase is dominant in the life cycle of _______ Most Zygomycetes Oomycetes Most Ascomycetes Most Basidiomycetes 6. ___________________ is the fusion of cytoplasm during sexual reproduction in fungi Mitosis Plasmogamy Meiosis Karyogamy 7. The closest relatives of Oomycetes are __________________ Basidiomycetes Zygomycetes Ascomycetes Brown algae and diatoms 8. The male gametangium in Oomycetes is called ____________ Antheridium Conidium Oogonium Basidium 9. The evidence that fungi are more closely related to animals than plants comes primarily from _______________________ Ecological studies Morphological observations Molecular and genetic analyses Fossil records 10. White rust of crucifers is caused by _____________________ Albugo candida Saprolegnia ferax Pythium ultimum Phytophthora infestans Loading … Question 1 of 10