Capacitation refers to changes in the:
1. | Increase in oestrogen and progesterone ratio |
2. | Synthesis of prostaglandins |
3. | Release of oxytocin |
4. | Release of prolactin |
Which of the following cells during gametogenesis is normally diploid?
1. | spermatogonia, spermatocyte, spermatozoa, spermatid |
2. | Spermatogonia, spermatozoa, spermatocyte, spermatid |
3. | Spermatogonia, spermatocyte, spermatid, spermatozoa |
4. | Spermatid, spermatocyte, spermatogonia, spermatozoa |
The shared terminal duct of the reproductive and urinary system in the human male is:
1. Urethra
2. Ureter
3. Vas deferens
4. Vasa efferentia
The main function of mammalian corpus luteum is to produce:
1. Oestrogen only
2. progesterone
3. human chorionic gonadotropin
4. relaxin only
Select the correct option describing gonadotropin activity in a normal pregnant female:
1. | High level of FSH and LH stimulates the thickening of endometrium. |
2. | High level of FSH and LH facilitate implantation of the embryo |
3. | High level of hCG stimulates the synthesis if estrogen and progesterone |
4. | High level of hCG stimulates the thickening of the endometrium. |
Which one of the following is not the function of placenta?
1. | Secretes estrogen |
2. | Facilitates removal of carbon dioxide and waste material from embryo |
3. | Secretes oxytocin during parturition |
4. | Facilitates supply of oxygen and nutrients to embryo |
Which one of the following statements is false in respect of viability of mammalian sperm?
1. | Sperm is viable for only up to 24 hours |
2. | Survival of sperm depends on the pH of the medium and is more active in alkaline medium |
3. | Viability of sperm is determined by its motility |
4. | Sperms must be concentrated in a thick suspension |