Progestogens alone or in combination with estrogens can be used as a contraceptive in the form of:
1. Implants only
2. Injections only
3. Pills, injections and implants
4. Pills only
Match List-I with List-II
List-I | List-II | ||
(a) | Vaults | (i) | Entry of sperm through the Cervix is blocked |
(b) | IUDs | (ii) | Removal of Vas deferens |
(c) | Vasectomy | (iii) | Phagocytosis of sperms within the Uterus |
(d) | Tubectomy | (iv) | Removal of the fallopian tube |
Choose the correct answer from the options given below:
(a) | (b) | (c) | (d) | |
1. | (ii) | (iv) | (iii) | (i) |
2. | (iii) | (i) | (iv) | (ii) |
3. | (iv) | (ii) | (i) | (iii) |
4. | (i) | (iii) | (ii) | (iv) |
The search for male contraceptive pill is going on but identify which of the following are true:
I. Pills made from gossypol, a compound found in cotton seeds and okra, have been abandoned as potential male contraceptive because the compound was proven to cause permanent infertility.
II. Tests were performed on male rats using oleanolic acid, extracted from Eugenia jambolana, a tree in the southern part of Africa. The tests demonstrated that the chemical was found to reversibly lower the rats’ sperm motility without affecting the sperm count.
(1) Only I is correct
(2) Only II is correct
(3) Both I and II are correct
(4) Both I and II are incorrect
Consider the following statements regarding “Saheli”:
I. CDRI, Lucknow has developed the molecule, cent-chroman, marketed as “Saheli”
II. It has the distinction of being the world’s first non steroidal oral contraceptive pill
III. It inhibits the nidation of the fertilized ovum and thus prevents pregnancy
The correct statement are:
(1) I and II
(2) I and III
(3) II and III
(4) I, II, III
Artificial insemination is not effective in cases where:
I. The female has both her fallopian tubes blocked.
II. The female has ovarian failure
(1) Both are correct
(2) Only I is correct
(3) Only II is correct
(4) Both are incorrect
Commercial surrogacy has been legal in India since _____.
(a) 1971
(b) 1975
(c) 1998
(d) 2002
In vitro fertilization (IVF) is a four-stage procedure. The correct sequence is:
I. Egg (oocyte) retrieval
II. Ovarian stimulation and monitoring
III. Fertilization
IV. Embryo transfer
(1) I, II, III, IV
(2) IV, III, II, I
(3) II, III, I, IV
(4) II, I, III, IV
Which is not correct about GIFT?
(1) Eggs are removed from a woman’s ovaries, and placed in one of the fallopian tubes,
along with the man’s sperm.
(2) The primary distinction between GIFT and IVF isthat with GIFT fertilization occurs
naturally within the woman’s body instead of in the laboratory.
(3) Females with both her fallopian tubes blocked can be benefited by GIFT
(4) In terms of deliveries per retrieval, GIFT has a higher success rate than IVF
regardless of a woman’s age.
ZIFT is considered better than gift because:
(1) ZIFT is an easier technique
(2) In ZIFT fertilization is ensured
(3) ZIFT is less expensive than GIFT
(4) ZIFT is a readily available technique
In ZIFT:
I. As in IVF and GIFT, ZIFT involves ovarian stimu-lation, monitoring and egg retrieval.
II. Sperm are collected, specially processed and used to fertilize the egg in vitro.
III. If fertilization takes place, those eggs that have been
fertilized (thus becoming zygotes) are transferred
into the fallopian tubes rather than the uterus.
(1) I, II, III are correct
(2) I and II are correct
(3) I and III are correct
(4) II and III are correct