RO & ARO Paper I GS (16 June 2024)

Question 1:

Which of the following pairs is not matched?

निम्नलिखित में से कौन-सा जोड़ा सुमेलित नहीं है? 

  • विटामिन K – जिंक Vitamin K – Zinc

  • हीमोग्लोबिन - आयरन Hemoglobin – Iron

  • क्लोरोफिल – मैग्नीशियम Chlorophyll – Magnesium

  • विटामिन B12 - कोबाल्ट Vitamin B12 – Cobalt

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