Official Answer Key & Detailed Solution
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Correct Answer: Option (A) — Rice
Concept & Option Breakdown
Standard Reference VerifiedRice is predominantly composed of carbohydrates and is inherently poor in calcium content. In contrast, Ragi (finger millet) is exceptionally rich in calcium (~344 mg/100g), skimmed milk retains high calcium concentrations (~120 mg/100ml), and eggs also provide moderate dietary calcium (chiefly in the yolk).
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