The blood of $Pheretima$ is:

  • A
    Blue due to hemocyanin in $RBCs$.
  • B
    Blue due to hemocyanin in plasma.
  • C
    Red due to hemoglobin in $RBCs$.
  • D
    Red due to hemoglobin in plasma.

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$A$ - Earthworms are farmer's friends.
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In earthworm,the stomach extends from:

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