Match List-I with List-II. [2021]
| List - I | List - II | ||
| (p) | Vaults | (i) | Entry of sperm through cervix is blocked |
| (q) | IUDs | (ii) | Removal of Vas deferens |
| (r) | Vasectomy | (iii) | Phagocytosis of sperms within the uterus |
| (s) | Tubectomy | (iv) | Removal of fallopian tube |
Choose the correct answer from the options given below: