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Q: The insects do not have blood pigments because

  • 1
    there is no blood
  • 2
    tissues have pigments
  • 3
    blood does not have a respiratory function
  • 4
    pigments are elsewhere
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Answer : 3. "blood does not have a respiratory function"
Explanation :

Answer: C) blood does not have a respiratory function Explanation: The blood of some invertebrate animals like the earthworm is red due to haemoglobin pigment, but the pigment is dissolved in the plasma. In vertebrates the same pigment is found in the red corpuscles and not in the plasma.

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