Which of the following is the correct relation?

Which of the following is the correct relation?
 
(a) 1 Kg = 100 g
 
(b) 1 Kg = 1 g
 
(c) 1 g = 0.001 Kg
 
(d) 1 g = 0.01 Kg
 
This question was posed to me by my school principal while I was bunking the class.
 
This question is from Measurement of Mass topic in section Units and Measurements of Physics – Class 11
Select the correct answer from above options 
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