NEET Biology question

Which of the following animals are without an anus? I. *Unio* II. *Pheretima* III. *Fasciola* IV. *Periplaneta* V. *Planaria*

(A)III and IV
(B)II and V
(C)III and VCorrect
(D)I and IV

Answer: (C)

Solution

Platyhelminthes (flatworms) such as *Fasciola* (III) and *Planaria* (V) possess an incomplete (blind-sac) digestive system with a single opening serving as both mouth and anus, and therefore

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Question ID VK-105925