The so-called test tube babies are produced by the technique of "in vitro fertilisation". It is a form of assisted reproductive technologies (ART). The steps of ART include:
1. Administration of gonadotropins or Clomiphene Citrate to the woman.
2. Aspiration of several ova (secondary oocytes) by laparoscopy.
3. Collection of the sperm from the husband/ donor semen.
4. Incubation of ovum and the sperm together in special media and environment.
5. Fertilisation and early development of the embryo in the culture plate.
6. Implantation of the 8-celled embryos (or more) in the uterine cavity.
Answer the given questions on the basis of understanding of the above given case.

(i) The reason for using the above technique is
I. There may be inadequate motility of spermatozoa.
II. There may be obstruction of the uterine tube.
III. There may be under developed ovaries.
IV. There may be plug in the cervical canal. Choose the correct option.
(a) I and III       (b) III and IV
(c) I and II        (d) II and IV
(ii) Gonadotropins in the above technique are administered to the woman to stimulate
(a) formation of ovarian follicles        (b) growth of ovarian follicles
(c) formation of corpus luteum          (d) growth of corpus luteum.
(iii) The ovum (secondary oocytes) are aspirated using laparoscopy from
(a) primary follicle              (b) secondary follicle
(c) graafian follicle             (d) corpus luteum.

(iv) In the above case if the sperm count in each milliliter of husband $(X)$ is less than 20 million $/ \mathrm{mL}$ and of husband $(\mathrm{Y})$ is found to be $300 \mathrm{million} / \mathrm{mL}$, the ART recommended to husband $(\mathrm{X})$ and husband $(\mathrm{Y})$ respectively by the medical practitioner will be
(a) ICSI and ZIFT           (b) ZIFT and ICSI
(c) IUT and IUI               (d) GIFT and ZIFT.
(v) Generally before the implantation of the embryo the woman is administered progesterone in the procedure to make the
(a) endometrium of the uterus receptive
(b) ampulla of the oviduct receptive
(c) infundibulum of the oviduct receptive
(d) myometrium of the uterus receptive.
(vi) The technique that would be used to implant the embryo, in case the oviducts of the woman are blocked by an obstruction.
(a) GIFT           (b) IUT
(c) IUI               (d) ICSI