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1

AIPMT 2000

MCQ (Single Correct Answer)
Mg is present in
A
chlorophyll
B
haemoglobin
C
vitamin-D
D
vitamin-B

Explanation

Chlorophyll is an organometallic complex with Mg as central metal. It’s formula is C55H72MgN2O6.
2

AIPMT 2000

MCQ (Single Correct Answer)
$$\alpha $$ -$$D$$-glucose and $$\beta $$-$$D$$-glucose are
A
epimers
B
anomers
C
enantiomers
D
diastereomers

Explanation



Here 1st carbon atom becomes asymmetric giving two isomers which differ in the configuration of the asymmetric carbon. These two isomers are called as anomers.

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