Question

Which of the following is an ovoviviparous parasite?
A. Taenia
B. Wuchereria
C. Ascaris
D. Plasmodium

Answer 1

Hint: Ovoviviparous organisms are the ones that hatch eggs in the uterus of a female and then the young ones are released free.

Complete answer: In parasite, Wuchereria bancrofti is a roundworm that causes lymphatic in humans, the females in Wuschereia can produce thousands of juveniles that are known as microfilariae which are present in the circulation, they have a sheath.

Ovoviviparous animals are similar to viviparous in which there is internal fertilization and the young are born alive but differ in that there is no placental connection and the unborn young are nourished by egg yolk; the mother's body does give gas exchange.
Wuchereria bancrofti is the major cause of the disease lymphatic filariasis, they infect the lymphatic system and can be led into a chronic disease if it is left untreated.
There is no vaccine available till now but can be cured if diagnosed early.

Hence, the correct option is ‘B’

Note: It can be mainly seen in the Nile delta, central Africa central and south America, southern china, and the pacific islands.
They are white and appear transparent; they have a delicate body structure which makes them difficult to move from one tissue another.
The male and female are differentiated by the size and the tips of the tail. The females are ovoviviparous.