Question

20. Oncosphere occurs in:
a. Ascaris
b. Fasciola
c. Taenia
d. Planaria​

Answer 1

For Taenia solum the primary host is human and the intermediate host is pig or other animals. From humans, the eggs are released into the environment where they are ingestion by the intermediate secondary host. In the secondary host, the eggs develop into oncospheres which bore through the intestinal wall and migrate to other parts of the body where cysticerci stage form. The cysticerci can survive for several years in the animal. So, option C is correct.

Answer 2

Answer:

taenia ..

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