This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mycology, Subject name: Microbiology
Fungi without sexual cycle are classified as: 
Select and explain. 
A. Fungi imperfecti, B. Phycomycetes, C. Ascomytcetes, D. Basidiomycetes
A: Fungi imperfecti
Answer: A: Fungi imperfecti 
Explanation: Fungi have classified into phylums according to the three types of sexual spores formed by them. Basidiomycetes form sexual spores called basidiospores. Ascomycetes form sexual spores called ascospores. Phycomycetes or zygomycetes form sexual spores called zygospores. Fungi imperfecta or deuteromycetes are those fungi where the sexual spores have not been identified yet.