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NTA Abhyas NEET2020BotanyAnimal KingdomPractice

Haemocyanin, the blue colour respiratory pigment of molluscans blood contains

Options

  1. Amagnesium as the central metal ion.
  2. Bcopper as the central metal ion.
  3. Ciron as the central metal ion.
  4. Dmanganese as the central metal ion.

Correct answer

B. copper as the central metal ion.

Step-by-step solution

In Molluscs, the blood vascular system is of open type. Blood is usually blue due to the presence of a copper-containing blue respiratory pigment called haemocyanin.

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