question_answer 25)

  Seminal plasma, the fluid part of semen, is contributed by I. Seminal vesicle    II. Prostate III. Urethra                       IV. Bulbourethral gland (a) I and II                            (b) I, II and IV                     (c) II, III and IV                   (d) I an IV

Answer:

                  (b)The male accessory glands include paired seminal vesicles, a prostate and paired bulb urethral glands. Secretions of these glands constitute the seminal plasma which is rich in fructose, calcium and certain enzymes. The secretions of bulbourethral glands also helps in the lubrication of the penis. Urethra is the duct that extends through the penis in male reproductive system and serve a common passage for both sperm and urine. In female, urethra has no reproductive function.