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Apples are one of the most commonly consumed fruits around the world. Known for their delicious taste and high fiber content, apples also contain several essential nutrients that contribute to human health. Among these, iron stands out as a significant mineral found in apples, especially in the skin and pulp.

Iron is a vital micronutrient for the human body. It plays a critical role in the formation of hemoglobin — the protein in red blood cells that carries oxygen from the lungs to other parts of the body. A diet lacking in iron can lead to anemia, fatigue, and weakened immunity. Consuming iron-rich fruits like apples supports the body's oxygen transport system and energy levels.

Though apples are not the richest source of iron when compared to legumes or red meat, they still contribute to the daily iron intake, particularly for individuals who consume fruits regularly. The iron in apples is better absorbed when consumed with foods high in vitamin C, such as oranges or lemons. Additionally, apples are cholesterol-free and low in fat, making them an excellent choice for heart and overall health.

Other nutrients in apples include potassium, vitamin C, antioxidants (such as quercetin), and dietary fiber. These compounds support digestion, immune defense, and help fight inflammation. Apples are also free from sodium and saturated fats, making them a heart-friendly snack.

Now, analyzing the options:

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  A. Fluorine – Important for dental health, but not prominent in apples.

  
  


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  B. Calcium – Crucial for bones, but not a dominant nutrient in apples.

  
  


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  C. Iron – ✅ Correct. Apples contain a measurable amount of iron, especially in the skin.

  
  


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  D. Phosphorus – Present in small amounts, but not significant.

  
  

✅ Correct Option: C. Iron

Category Classification:
This question falls under Biology because it relates to human nutrition, the composition of food, and the role of minerals in the body. The canonical URL is correctly placed under the "biology-mcqs" category with "everyday-science-mcqs" as its secondary classification.