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Arihant General Studies question with answer

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Question #119,002

Q.Match List I with List II and select the correct answer using the codes given below the lists. List I List II A. Maintenance of cell permeability 1. Potassium B. Opening and closing stomata 2. Calcium C. Pollen germination 3. Magnesium D. Component of chlorophyll 4. Boron Codes A B C D A B C D