This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
A 50-year-old women present's with post coital bleeding. A visible growth on cervix is detected on per speculum examination. Next investigation is: 
Select and explain. 
A. Punch biopsy, B. Colposcopic biopsy, C. Pap smear, D. Cone Biopsy
A: Punch biopsy
Answer: A: Punch biopsy 
Explanation: None