MCQ
Sharks and dogfishes differ from skates and rays because
  • A
    gill slits are ventrally placed
  • B
    head and trunk are widened considerably
  • C
    distinct demarcation between body and tail
  • their pectoral fins distinctly marked off from cylindrical bodies.

Answer

Correct option: D.
their pectoral fins distinctly marked off from cylindrical bodies.
d
(d) : Sharks and dogfishes have cylindrical body while skates and rays have both of their pectoral fins fused. It gives a wing­like appearance and are not distinct from body.

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