Cu ions released from copper -releasing Intra Uterine Devices (IUDs)
make uterus unsuitable for implantation
increase phagocytosis of sperms
suppress sperm motility
suppress sperm motility
A.
make uterus unsuitable for implantation
Intra- uterine device (IUD) is a small device made up pf copper, plastic or stainless steel. It is inserted into the uterus by a doctor and left in in place. It prevents implantation. iIt can be left in place for long periods. It may cause bleeding and discomfort. IUD may come out.
Which one of the following is the correct matching of the events occurring during menstrual cycle?
Ovulation - LH and FSH attain peak level and sharp fall in the secretion of progesterone
Proliferative - Rapid regeneration of myometrium and maturation of Graafian follicle
Development of corpus - luteum - Secretory phase and increased secretion of progesterone
Development of corpus - luteum - Secretory phase and increased secretion of progesterone
The permissible use of the technique amniocentesis is for
detecting the sex of the unborn foetus
artificial insemination
transfer of embryo into the uterus of a surrogate mother
transfer of embryo into the uterus of a surrogate mother
Given below is a diagrammatic sketch of a portion of the human male reproductive system. Select the correct set of the names of the parts labelled A, B, C, D.
|
A |
B |
C |
D |
|
Ureter |
Prostate |
Seminal Vesicle |
Bulbourethral gland |
|
A |
B |
C |
D |
|
Vas deferens |
Seminal vesicle |
Prostate |
Bulbourethral gland |
|
A |
B |
C |
D |
|
Vas deferens |
Seminal vesicle |
Bulbourethral gland |
Prostate |
|
A |
B |
C |
D |
|
Vas deferens |
Seminal vesicle |
Bulbourethral gland |
Prostate |
Foetal ejection reflex in human female is induced by
the pressure exerted by the amniotic fluid
the release of oxytocin from pituitary
fully developed foetus and placenta
fully developed foetus and placenta
