Which of the following statements about vitamins is correct?

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  1. Vitamins are inorganic compounds needed in large amounts for normal metabolism.
  2. Vitamins are a primary source of energy for the body.
  3. All essential vitamins can be synthesised in large quantities by the human body.
  4. Vitamins are organic compounds required in small amounts for various bodily
    functions.

Answer (Detailed Solution Below)

Option 4 : Vitamins are organic compounds required in small amounts for various bodily
functions.
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Detailed Solution

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The Correct answer is Vitamins are organic compounds required in small amounts for various bodily functions.

Key Points

  • Vitamins are organic compounds, meaning they contain carbon and are derived from living organisms.
  • These compounds are required in small amounts but are essential for maintaining normal physiological functions such as growth, immunity, and metabolism.
  • Unlike macronutrients like carbohydrates, fats, and proteins, vitamins do not provide energy but facilitate the body's energy production processes.
  • Vitamins are divided into fat-soluble (A, D, E, K) and water-soluble (B-complex and C) categories based on their solubility and how the body processes them.
  • Since the human body cannot synthesize most vitamins in sufficient quantities, they must be obtained through diet or supplementation.
  • Deficiencies in vitamins can lead to health issues like scurvy (Vitamin C deficiency), rickets (Vitamin D deficiency), and beriberi (Vitamin B1 deficiency).
  • Sources of vitamins include fruits, vegetables, grains, and animal products, depending on the type of vitamin.
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