Question

'Rhabditoid' form of larva is a stage in the life history of:

• A. Fasciola
• B. Ascaris
• C. Taenia
• D. All nematodes

Answer 1

The correct option is B Ascaris

'Rhabditoid' is the larval stage in the life cycle of Ascaris lumbricoides and are found in soil.

It is not infective at this stage.

But within the next week, the larvae moults within the egg and becomes the second stage rhabditoid, which is capable of causing the infection in the host and enters into the small intestine.

Thus, the correct answer is option B.