Signals for parturition originate from
Options
(a) Both placenta as well as fully developed foetus (b) Oxytocin released from maternal pituitary (c) Placenta only (d) Fully developed foetus only
Correct Answer:
Both placenta […]
What is the correct sequence of sperm formation?
Options
(a) Spermatogonia, spermatocyte, spermatozoa, spermatid (b) Spermatogonia; spermatozoa, spermatocyte, spermatid (c) spermatogonia, spermatocyte, spermatid, spermatozoa (d) spermatid, spermatocyte, spermatogonia, spermatozoa
Correct Answer:
spermatogonia, spermatocyte, […]
Foetral ejection reflex in human female is induced by
Options
(a) release oxytocin from pituitary (b) fully developed foetus and placenta (c) differentiation of mammary glands (d) pressure exerted by amniotic fluid
Correct […]
The foetal ejection reflex in humans triggers release of
Options
(a) Oxytocin from maternal pituitary (b) Oxytocin from foetal pituitary (c) Human Choronic Gonadotropin (hCG) from placenta (d) Human Placental Lctogen (hPL) from […]
The permissible use of the technique amniocentesis is for
Options
(a) detecting sex of the urborn foetus (b) artificial insemination (c) transfer of embryo into the uterus of the surrogate mother (d) detecting […]
The second maturation division of the mammalian ovum occurs
Options
(a) shortly after ovulation before the ovum makes entry into the fallopian tube (b) until fater the ovum has been penetrated by a […]
The secretory phase in the human menstrual cycle is also called
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(a) luteal phase and lasts for about 6 days (b) follicular phase lasting for about 6 days (c) luteal phase and […]
Which one of the following is not the function of placenta? It :
Options
(a) secrets estrogen (b) facilitiates removal CO₂ and waste material from embryo (c) secrets oxyticin during parturition (d) facilitates […]
Which of the following best illustrates FEEDBACK in development?
Options
(a) As tissue (X) devleops, it secrets something that slows down the growth of tissue (Y) (b) Tissue (X) secrets RNA which changes […]
Which one of the following statements about human sperm is correct?
Options
(a) Acrosome has a conical pointed structure used for piercing and penetrating the egg resulting in fertilisation (b) The sperm lysins […]
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