Question

Which one of the parasites is responsible for causing gigantism in its intermediate host?

• A. Plasmodium vivax
• B. Ascaris lumbricoides
• C. Sacculina
• D. Fasciola hepatica

Answer 1

Answer: (D)

Fasciola hepatica

Plasmodium vivax is a protozoan causing malaria.

Ascaris lumbricoides causes ascariasis.

Sacculina is a parasitic castrator of crabs.

Fasciola hepatica, also known as liver fluke, is responsible for causing gigantism in its intermediate host.

Gigantism is the hormonal disorder that leads to excessive and abnormal growth due to excessive secretion of growth hormone.

Thus, the correct answer is option D.