Quiz  /  NEET MCQ on Class Pisces

  • 1. 
    A common trait between tadpole and fish is

  • scales
  • lateral line
  • fins
  • legs

  • 2. 
    This has a cartilaginous endoskeleton

  • Bony fishes
  • Mollusca
  • Dipnoi
  • Elasmobranch

  • 3. 
    True fishes have fins and gills This is not a true fish

  • Hippocampus – SeaHorse
  • Hythalamictyes – Silver carp
  • Carassius – Goldfish
  • Lepisma – Silverfish

  • 4. 
    This fish shows dorsal fin modified into suckers

  • Neoceratodus
  • Hippocampus
  • Echeneis
  • Torpedo

  • 5. 
    This is a living fossil

  • Lepidosiren
  • Latimeria
  • Lepidosteus
  • None of these

  • 6. 
    This is a migratory fish

  • Ribbon fish
  • Carp
  • Salmon
  • Shark

  • 7. 
    The distinguishing factor between rays and sharks are

  • type of tail fin
  • position of gill slits
  • position of mouth
  • nature of their scales

  • 8. 
    Type of association between shark and suckerfish is

  • Predation
  • Parasitism
  • Commensalism
  • Symbiosis

  • 9. 
    Placoid scales are found in

  • paleontological fishes
  • lung fishes
  • bony fishes
  • cartilaginous fishes

  • 10. 
    This is a characteristic feature of fishes

  • gills and epidermal scales
  • tail and epidermal scales
  • gills and venous heart
  • venous heart and tail
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