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Structural Organisation in Animals — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYStructural Organisation in Animals1 Mark
MCQ
Which is absent in blood of Cockroach?
  • A
    Plasma
  • ✓
    Respiratory pigment
  • C
    Nurtients
  • D
    Blood cells
✓

Answer

Correct option: B.
Respiratory pigment
The cockroach has an open vascular system consisting of sinuses filled with blood.
The blood of cockroach is without haemoglobin or any other respiratory pigment.
This type of blood devoid of any respiratory pigment is called haemolymph.

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