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Question

The blood of all animals is red in colour.

A
True
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B
False
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Solution

The correct option is B False
  • Human blood appears red in colour due to the presence of haemoglobin in RBCs.
  • There are animals with other colours of blood too, their blood does not contain haemoglobin. For example; cockroaches have colourless blood, leeches have green coloured blood, beetles have yellow coloured blood and spiders have blue coloured blood.

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