In which of the following animals,respiration occurs without any respiratory organ?

  • A
    Fish
  • B
    Frog
  • C
    Cockroach
  • D
    Earthworm

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Similar Questions

Insects like cockroach and silverfish have which of the following respiratory pigments?

Match the following columns:
Column-$I$ (Invertebrates) Column-$II$ (Respiratory Organs)
$P$. Sponges,Coelenterates,Flatworms $I$. Gills
$Q$. Earthworms $II$. Simple diffusion through body surface
$R$. Insects $III$. Vascularized bags (Lungs)
$S$. Aquatic arthropods and molluscs $IV$. Tracheal tubes
$T$. Terrestrial arthropods and molluscs $V$. Moist cuticle

In insects,oxygen is carried to different tissues by

Assertion : Blood is coloured in the insects.
Reason : Insect blood has no role in $O_2$ transport.

Which of the following does not have a specific respiratory organ,yet performs the process of respiration?

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