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
Ascospore is 
Select and explain. 
A. Asexual spore, B. Sexual spore, C. Conidia, D. None of the above
B: Sexual spore
Answer: B: Sexual spore 
Explanation: Ascospores are sexual spores produced by ascomycetes (Yeasts and filamentous fungi), produced within a sac or ascus. Ref: Baveja textbook of microbiology; 4th edition .