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Which one of the following statements is incorrect?

  • Mesoglea is present in between ectoderm and endoderm in Obelia.

  • Radial symmetry is found in Asterias

  • Fasciola is a pseudocoelomate animal
  • Taenia is a triploblastic animal


C.

Fasciola is a pseudocoelomate animal
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Birds and mammals share one of the following characteristics as a common feature.

  • Pigmented skin

  • Alimentary canal with some modification

  • Vivipary

  • Warm-blooded nature


Which one of the following is oviparous?

  • Platypus

  • Flying fox

  • Elephant

  • Whale


Which one of the following sets of animals belongs to a single taxonomic group?

  • Cuttlefish, Jellyfish, Silverfish, Dogfish, Starfish

  • Bat, Pigeon, Butterfly

  • Monkey, Chimpanzee, Man

  • Silkworm, Tapeworm, Earthworm


Which one of the following statements is incorrect?

  • In cockroaches and prawns excretion of waste material occurs through malpighian tubules.

  • In ctenophors, locomotion is mediated by comb plates.

  • In Fasciola flame cells take part in excretion

  • Earthworms are hermaphrodites and yet cross-fertilization takes place among them.


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