The given answer is correct.

Question is about which statement is incorrect(wrong) regarding vasectomy. 

Option B is wrong for vasectomy. Each of the two epididymides (which begin at and are connected to the testes) are connected to one of the vasa deferentia. Sperm pass through the epididymis to get from the testis to the vas and are also stored in the most distal portion, or tail, of the epididymis. But in Vasectomy, vas deferens is cut and tied. So sperm will produce and move to epididymis but not in vas deferns.

ok thanks understood

Ncert me likha hai ki chances of reversibility is very poor in case of such techniques. Totally irreversible to nahi .so 4 bhi to answer ho sakta hai