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