Molluscs contain ......... in their blood.

  • A
    Hemoglobin dissolved in plasma
  • B
    Hemocyanin dissolved in plasma
  • C
    Hemoglobin in red blood cells
  • D
    Hemocyanin in blood cells

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The connecting link between $Annelida$ and $Mollusca$ is:

Which one of the following classes of phylum $Mollusca$ is incorrectly matched with its general characteristics?

The respiratory organ of Mollusca is . . . . . . .

The mollusc which is considered to be a living fossil and also shows characters of annelids like nephridia and internal segmentation is

Which of the following belongs to the class Gastropoda?

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