Reproduction in humans
1.In human males, the testes lie in the scrotum, because it helps in the (a) process of mating (b) formation of sperms (c) easy transfer of gametes (d) secretion of estrogen 2. Which among the following diseases is not sexually transmitted? (a) Syphyllis (b) Hepatitis (c) HIV-AIDS (d) Gonorrhea 3. Which of the following method of contraception protects from acquiring sexually transmitted diseases? (a) Surgery (b) Condoms (c) Copper-T (d) Oral-pills 4. The embryo in humans gets nutrition from the mother’s blood with the help of a special tissue called (a) Placenta (b) Villi (c) Uterus (d) Womb 5. Along the path of the vas-deferens the secretions of which gland provide nutrition to the sperms? (a) Prostate glands (b) Seminal vesicles (c) Scrotum (d) Urinary bladder 6. In human beings, the fertilization occurs in the (a) uterus (b) ovaries (c) fallopian tubes (d) vagina 7. The period during adolescence when the reproductive tissues begin to mature is called (a) ovyfetion (b) puberty (c)