Which one of the following is not the function of placenta?
A) Secretes oxytocin during parturition B) Facilitates removal of carbon dioxide and waste material from embryo C) Secretes estrogen D)... View Article
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What is the correct sequence of sperm formation?
A) Spermatogonia, spermatocytes, spermatids, spermatozoa B) Spermatogonia, spermatozoa, spermatocytes, spermatids C) Spermatogonia, spermatocytes, spermatozoa, spermatids D) Spermatids, spermatocytes, spermatogonia, spermatozoa... View Article
The main function of mammalian corpus luteum is to produce
A) progesterone B) estrogen C) relaxin D) human chorionic gonadotropin Answer:A) progesterone Explanation: After ovulation, the Graafian follicle transforms into... View Article
The shared terminal duct of the reproductive and urinary system in the human male is
A) ureter B) urethra C) vasa efferentia D) vas deferens Answer:B) urethra Explanation: Urethra is the common pathway for urine... View Article
Which of these is not an important component of initiation of parturition in humans?
A) Release of prolactin B) Release of oxytocin C) Synthesis of prostaglandins D) Increase in estrogen and progesterone ratio Answer:A)... View Article
Hysterectomy is surgical removal of
A) mammary glands B) vas deferens C) prostate gland D) uterus Answer:D) uterus Explanation: Hysterectomy is the surgical removal of... View Article
Capacitation refers to changes in the
A) sperm after fertilisation B) ovum after fertilisation C) ovum before fertilisation D) sperm before fertilisation Answer:D) sperm before fertilisation... View Article
Which of the following cells during gametogenesis is normally diploid?
A) Secondary polar body B) Spermatogonia C) Spermatid D) Primary polar body Answer: B) Spermatogonia Explanation: Spermatogonia cells are diploid. Spermatogonia... View Article
Ectopic pregnancies are referred to as
A) pregnancies terminated due to hormonal imbalance B) implantation of defective embryo in the uterus C) implantation of embryo at... View Article
Which of the following events is not associated with ovulation in human females?
A) LH surge B) Release of secondary oocyte C) Full development of Graafian follicle D) Decrease in estradiol Answer:D) Decrease... View Article
Which of the following layers in an antral follicle is acellular?
A) Zona pellucida B) Stroma C) Theca interna D) Granulosa Answer:A) Zona pellucida Explanation: The tertiary follicle and Graafian follicle... View Article
Identify the correct statement on ‘inhibin’
A) Is produced by nurse cells in testes and inhibits the secretion of LH B) Is produced by granulosa cells... View Article
Select the incorrect statement regarding gonadotropin hormones
A) LH triggers secretion of androgens from the Leydig cells B) LH and FSH decrease gradually during the follicular phase... View Article
Fertilisation in humans is practically feasible only if
A) the sperms are transported into cervix within 48 hrs of release of ovum in uterus B) the ovum and... View Article
Several hormones like hCG, hPL, estrogen, progesterone are produced by
A) placenta B) ovary C) pituitary D) Fallopian tube Answer:A) placenta Explanation: Placenta acts as a temporary endocrine gland during... View Article
Which of the following depicts the correct pathway of transport of sperms?
A) Rete testis → Epididymis → Efferent ductules → Vas deferens B) Rete testis → Efferent ductules → Epididymis →... View Article
Capacitation occurs in
A) vas deferens B) epididymis C) rete testis D) female reproductive tract Answer:D) female reproductive tract Explanation: Capacitation is a... View Article
Formation of gametophyte directly from sporophyte without meiosis is
A) apogamy B) apospory C) amphimixis D) parthenogenesis Answer:B) apospory Explanation: Apospory is the formation of diploid gametophytes without meiosis... View Article
Double fertilization and triple fusion were discovered by
A) Nawaschin and Guignard B) Hofmeister C) Strasburger D) Leeuwenhoek Answer:A) Nawaschin and Guignard Explanation: Nawaschin and Guignard discovered double... View Article
Perisperm is
A) persistent nucellus B) remnant of endosperm C) disintegrated secondary nucleus D) peripheral part of endosperm Answer:A) persistent nucellus Explanation:... View Article
