Importance of Co-Ordination Compounds (in Qualitative Analysis, Extraction of Metals and in Biological Systems) NEET Questions

Inorganic Chemistry - Coordination Compounds

Importance of Co-Ordination Compounds (in Qualitative Analysis, Extraction of Metals and in Biological Systems) MCQ Questions


1.
Which of the following is a coordination compound of magnesium and is responsible for photosynthesis in plants?
A.
Carboxypeptidase A
B.
Chlorophyll
C.
Haemoglobin
D.
Vitamin B12
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ANSWER :
B. Chlorophyll
2.
Haemoglobin, the oxygen carrier in blood, is a coordination compound of which metal?
A.
Cobalt
B.
Zinc
C.
Magnesium
D.
Iron
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ANSWER :
D. Iron
3.
Vitamin B12 (cyanocobalamine), the anti-pernicious anaemia factor, is a coordination compound of:
A.
Iron
B.
Magnesium
C.
Cobalt
D.
Zinc
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ANSWER :
C. Cobalt
4.
Which of the following pairs of metal–biomolecule combinations is INCORRECT?
A.
Mg – Chlorophyll
B.
Cu – Carbonic anhydrase
C.
Fe – Haemoglobin
D.
Co – Vitamin B12
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ANSWER :
B. Cu – Carbonic anhydrase
5.
Carboxypeptidase A and carbonic anhydrase are biologically important coordination compounds known as:
A.
Enzymes
B.
Vitamins
C.
Hormones
D.
Pigments
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ANSWER :
A. Enzymes
6.
The metal ion present in carbonic anhydrase enzyme is:
A.
Zn²⁺
B.
Cu²⁺
C.
Fe²⁺
D.
Mg²⁺
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ANSWER :
A. Zn²⁺