This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Internal Generative Organs, Subject name: Gynaecology & Obstetrics
Maximum fertilizable life span of oocyte is - 
Select and explain. 
A. 12 hours, B. 24 hours, C. 36 hours, D. 48 hours
B: 24 hours
Answer: B: 24 hours 
Explanation: Ans is 'b' i.e., 24 hours o Fertilizable life span of oocyte ranges from 12 to 24 hours whereas that of sperm is 48 to 72 hours.