Multiple Choice QuestionsWhich one of the following statements is false in respect of viability of mammalian sperm ?
Sperm is viable for only up to 24 hours
Survival of sperm depends on the pH of the medium and is more active in alkaline medium
Viability of sperm is determined by its motility
Viability of sperm is determined by its motility
Signals for parturition originate from
both placenta as well as fully developed foetus
oxytocin released from maternal pituitary
placenta only
placenta only
In a normal pregnant woman, the amount of total gonadotropin activity was assessed. The result expected was
High level of circulating FSH and LH in the uterus to stimulate implantation of the embryo
High level of circulating HCG to stimulate endometrial thickening
High levels of FSH and LH in uterus to stimulate endometrial thickening
High levels of FSH and LH in uterus to stimulate endometrial thickening
The Leydig cells as found in the human body are the secretory source of
Progesterone
Intestinal mucus
Glucagon
Glucagon
The shared terminal duct of the reproductive and urinary system in the human male is
Urethra
Ureter
Vas deferens
Vas deferens
A.
Urethra
In the human male, the urethra is about 8 inches (20 cm) long and opens at the end of the penis. The urethra provides an exit for urine from the bladder as well as semen from vasa differentia during ejaculation.
Thus, it knows as a urogential duct. It has three regions. Vasa defferentia collects sperm form inside the testis and transfers them epididymis through rete testis. Ureters are the tubes that convey urine from the kidney to urinary bladder.
The main function of mammalian corpus luteum is to produce
estrogen only
progesterone
human chorionic gonadotropin
human chorionic gonadotropin
Select the correct option describing gonadotropin activity in a normal pergnant female
High level of FSH and LH stimulates the thickening of endometrium
High level of FSH and LH facilitate implantation of the embryo
High level of hCG stimulates the synthesis of estrogen and progesterone
High level of hCG stimulates the synthesis of estrogen and progesterone
Identify the human developmental stage shown below as well as the related right palce of its occurrence in a normal pregnant woman, and select the right option for the two together. 
| Developmental Stage | Site of Occurrence |
| Late morula | Middle part of fallopian tube |
| Developmental Stage | Site of Occurrence |
| Blastula | End part of fallopian tube |
| Developmental Stage | Site of Occurrence |
| Blastocyst | Uterine wall |
| Developmental Stage | Site of Occurrence |
| Blastocyst | Uterine wall |
The secretory phase in the human menstrual cycle in also called
luteal phase and lasts for about 6 days
follicular phase lasting for about 6 days
luteral phase and lasts for about 13 days
luteral phase and lasts for about 13 days
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