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
Aspergillus hyphae branch at what angle - 
Select and explain. 
A. 45deg, B. 60-90deg, C. 90-120deg, D. None
A: 45deg
Answer: A: 45deg 
Explanation: Ans. is 'a' i.e., 45deg