NEET Biology question

BiologyAnimal KingdomNEET

Consider the following statements (A-C) each with two blanks. **A.** Animals like *Hydra* and jellyfish depict (i) symmetry whereas earthworm and leech show (ii) symmetry. **B.** In (iii) and (iv) digestive tract has only a single opening (mouth) and is said to be incomplete. **C.** *Trichinella* (Trichina worm) is a cosmopolitan (v) parasite whereas *Fasciola* (liver fluke) lives in the bile ducts of the liver of (vi). Which one of the following options correctly fills any two statements?

Answer: (C)

Solution

*Hydra* and jellyfish show radial symmetry (i), while earthworm and leech show bilateral symmetry (ii). Both Coelenterata (iii) and Platyhelminthes (iv) have an incomplete digestive tract with a

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Question ID VK-106818