Find out relation between first two words and choose the same relationship to the third word, from the alternative.
Haemoglobin : Iron :: Chlorophyll : ?
Answer & explanation
Correct answer: option 2
Haemoglobin : Iron
Iron is the main component of Hemoglobin.
Similarly ,
Chlorophyll :
Main component of Chlorophyll is Magnesium.
So, Chlorophyll : Magnesium
The correct answer is Option (2) → Magnesium