Given below are four matchings of an animal and its kind of respiratory organ:
$I.$ Silver fish - Trachea
$II.$ Scorpion - Book lung
$III.$ Sea squirt - Pharyngeal gills
$IV.$ Dolphin - Skin
The correct matchings are:

  • A
    $I$ and $II$
  • B
    $II$ and $III$
  • C
    $I, II$ and $III$
  • D
    $II, III$ and $IV$

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