17955.GIFT (Gamete intrafallopian transfer) mixes egg and sperm in the ______.
Fallopian tube
Uterus
Vagina
Culture medium
17956.Cu ions released from copper-releasing Intra Uterine Devices (IUDs)
Prevent ovulation
Make uterus unsuitable for implantation
Increase phagocytosis sperms
Suppress sperm motility
17957.Given below are four methods (A - D) and their modes of action (a - d) in achieving contraception. Select their correct matching from the four options that follow:
| Method | Mode of Action | ||
|---|---|---|---|
| A. | The pill | a. | Prevents sperms reaching cervix |
| B. | Condom | b. | Prevents implantation |
| C. | Vasectomy | c. | Prevents ovulation |
| D. | Copper T | d. | Semen contains no sperms |
A-b, B-c, C-a, D-d
A-c, B-a, C-d, D-b
A-d, B-a, C-b, D-c
A-c, B-d, C-a, D-b
17958.The technique called gamete intrafallopian transfer (GIFT) is recommended for those females
Whore cervical canal is too narrow to allow passage for the sperms
Who cannot provide suitable environment for fertilisation
Who cannot produce an ovum
Who cannot retain the foetus inside uterus
17959.The permissible use of the technique amniocentesis is for
Detecting any genetic abnormality
Detecting sex of the unborn foetus
Artificial insemination
Transfer of embryo into the uterus of a surrogate mother