Question

Structures present in a mature proglottid are
(1) a pair of longitudinal nerve cord (lateral nerve cord)
(2) Mehli's gland
(3) cirrus sac
(4) one ovary and two oviducts

• A. 1, 2 and 3 are correct
• B. 1 and 2 are correct
• C. 2 and 4 are correct
• D. 1 and 3 are correct

Answer 1

Answer: (A)

In Taenia, each mature proglottid contains a complete set of male and female reproductive organs.
Male reproductive organ includes-Testes. Vasa efferentia, Vas deferens, Cirrus sac and Genital atrium.
Female reproductive organ includes - Ovary (dorso-ventrally flattened and consists of a number of radially arranged germinal cords), oviduct, ootype (formed by the union of oviduct, uterus and vitelline duct) which is surrounded by numerous unicellular Mehlis's glands, vagina and vitelline gland.