The Reproductive System Welcome to your The Reproductive System 1. If the vas deferens of a man are surgically disconnected or removed Sperms in semen will be non-motile Spermatogenesis will not take place Semen will be without sperms Sperms in the semen will be without nuclei2. In human males, the testes lie in the scrotum because it helps in the Secretion of oestrogen Process of mating Easy transfer of gametes Formation of sperms3. The embryo in humans gets nutrition from the mother with the help of a special tissue called Uterus Placenta Womb Villi4. The fixing of the blastocyst to the wall of the uterus or endometrium is called Implantation Parturition Gestation Fertilization5. The stoppage of menstruation in the female is termed as Parthenogenesis Ovulation Menopause Menarche6. Sterilization in the female involves cutting and tying the Oviduct Urethra Uterus Ureter7. Corpus luteum in mammals is present in Brain and connects the two cerebral hemispheres Heart and initiates atrial contraction Skin and acts as a pain receptor Ovaries and produces progesterone hormone8. The onset of menstruation in the female is termed as Menarche Menopause Ovulation Parthenogenesis9. Which one of the following is the route that a sperm follows when it leaves the testes of a mammal? Vas deferens→epididymis→urethra Urethra→epididymis→Vas deferens Epididymis→Vas deferens→urethra Epididymis→urethra→Vas deferens10. In females, after how much time after fertilization does the fertilized egg get implanted in the uterine wall? About seven days Three weeks One month Few months11. The normal gestation period in humans is 270 days 280 days 290 days 285 days12. Semen is the mixture of sperms and secretions from All of these Seminal vesicles Prostate gland Cowper's glands13. In human beings, the fertilization occurs in the Uterus Ovaries Fallopian tubes Vagina14. The site of maturation of human sperms is the Interstitial cells Prostate gland Seminiferous tubule Epididymis15. When pregnancy does not occur the life of the corpus luteum is about 28 days 4 days 14 days 10 days16. Fertilization means The meeting of male and female gametes The fusion of nuclei of male and female gametes The shedding of gametes from a reproductive organ The transfer of male gamete to the female gamete17. Leydig cells produce Oestrogen Semen Testosterone Progesterone18. The middle piece of the sperm provides Energy Gene Chromosomes Food19. Ovulation in mammals is a process in which The unfertilized egg passes out of female's body The egg is released from Graafian follicle The egg passes through fimbriated funnel of fallopian tube The egg is fertilized in fallopian tube20. What will happen if the temperature of the scrotal sacs temporarily goes to about 2°C lower than normal temperature? Sperm formation will be stopped Testes will start rotation movement Scrotal sacs will contract and come close to the body Scrotal sacs will relax and do down away from the body21 out of 20Please fill in the comment box below.
