- A$Cu - T$
- B$Cu -7$
- CMultiload$-375$
- ✓All of these
$(i)$ There devices are inserted by the doctors into the uterus through vagina.
$(ii)$ There are three types of $IUDs$
Non-medicated IUDs They increases the phagocytosis of the sperm within the uterus, $e . g$., Lippes loop
Copper Releasing $IUDs$ Along with phagocytosis of the sperms, the copper ions released, suppresses the sperm motility and the fertilizing capacity of the sperm.$e.g., Cu-T, Cu-7, multiload- 375$
Hormone Releasing $IUDs$ They makes the uterus unsuitable for implantation and the cervix hostile to the sperms, $e.g, progestasert, LNG-20$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| List $- I$ | List $- II$ |
| $(a)$ Filariasis | $(i)$ Haemophilus influenzae |
| $(b)$ Amoebiasis | $(ii)$ Trichophyton |
| $(c)$ Pneumonia | $(iii)$ Wuchereria bancrofti |
| $(d)$ Ringworm | $(iv)$ Entamoeba histolytica |
Choose the correct answer from the options given below.
$(a)- (b)- (c) -(d)$
$R$ -The spermatids are transformed into spermatozoa by the process called spermiogenesis.

$I$. To study the normal physiology and development
$II$. To study diseases
$III$. To obtain useful biological products
$IV$. To test the vaccine safety
$V$. To test the chemical safety
Which of the above statements are correct?