NTA Abhyas NEET2020BotanyAnimal KingdomPractice
Each of the following statements concerning Fasciola is CORRECT, except
Options
- AIt has dorsoventrally flattened body
- BIt has bilateral symmetry
- CSnails are intermediate host in its life cycle
- DIt is diploblastic
Correct answer
D. It is diploblastic
Step-by-step solution
Fasciola are commonly known as Liver flukes as these are parasites of the liver of various mammals. These are digenic organisms as they require two hosts to complete their life- cycle. Snails are generally intermediate hosts. These belong to Phylum Platyhelminthes. The word Platy means flat. Hence these are commonly known as flat worms and thus their body is dorsoventrally flat. These organisms also show bilateral symmetry and are acoelomates which means they lack body cavity due to flat body This Phylum is evolved