Q. Recently, researchers of which country have discovered that zinc plays a crucial role in the nitrogen fixation process of legumes?
Answer: France
Notes: Researchers in France discovered zinc's crucial role in legume crop health. Zinc, a silvery blue-grey metal, is the fourth most widely used globally after steel, aluminum, and copper. In India, Rajasthan holds the largest lead-zinc ore reserves. Australia leads in global zinc reserves, followed by China and Russia. Zinc is essential for galvanizing steel due to its corrosion resistance and is used in die-castings and zinc oxide production for paints and rubber.