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STD 11 - 14. Breathing and exchange in gases — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 14. Breathing and exchange in gases1 Mark
MCQ
Oxyhaemoglobin is an unstable compound because
  • A
    Haemoglobin is a complex pigmented protein
  • B
    There is a physical bonding between oxygen and haemoglobin
  • ✓
    There is a chemical bonding between oxygen and haemoglobin
  • D
    One molecule of haemoglobin combines with four molecules of oxygen
✓

Answer

Correct option: C.
There is a chemical bonding between oxygen and haemoglobin
c
(c)Haemoglobin is an iron containing respiratory pigment occuring in red blood cells. It is a tetrameric conjugated protein and can find four oxygen molecule by co-ordination bonds.

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