Civil Services MPPSC State Service Prelims Mock Tests 2025 General Science Biology Biology in Everyday life

पर्णहरित (क्लोरोफिल) एवं हीमोग्लोबिन में क्रमशः होते हैं: 

1
Mg एवं Mn 
2
Ca एवं Co
3
Mg एवं Fe
4
Ni एवं Fe
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