The correct option is D a - 4, b - 3, c - 2 and d - 1
Male reproductive system
Male reproductive system includes the following parts:
● Primary sex organs
● Accessory ducts
● Accessory glands
● External genitalia
Testes
Testes are the primary sex organs in males. They help in the production of male gametes (sperms) and sex hormones called androgens.
Epididymis
The accessory ducts in males include rete testis, vasa efferentia, epididymis and vas deferens which helps in the transportation of the sperms to urethra.
Penis
Penis is the male external genitalia which acts as the copulatory organ.
Seminal vesicles
The male accessory glands include paired seminal vesicles, unpaired prostate, and paired bulbourethral glands.
Final answer
(B) a - 4, b - 3, c - 2 and d - 1