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Coordination Compounds — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryCoordination Compounds1 Mark
MCQ
Coordination compounds have great importance in biological systems. In this context which of the following statements is incorrect?
  • A
    Carboxypeptidase$-A$ is an enzyme and contains zin.
  • B
    Haemoglobin is the red pigment of blood and contains iron.
  • C
    Cyanocobalamin is $B_{12}$ and contains cobalt.
  • ✓
    Chlorophylls are green pigments in plants and contain calcium.
✓

Answer

Correct option: D.
Chlorophylls are green pigments in plants and contain calcium.
Chlorophylls are green pigments in plants and contain magnesium.
They are useful during photosynthesis to store energy in the form of glucose from carbon dioxide and water in presence of sunlight.

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