Which of the the following following category of biomolecules does Starch belong to?

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CDS-II (General Knowledge) Official Paper (Held On: 01 Sept, 2024)
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  1. Protein
  2. Carbohydrate
  3. Lipid
  4. Nucleic acid

Answer (Detailed Solution Below)

Option 2 : Carbohydrate
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The correct answer is  Carbohydrate.

Key PointsCategory of Biomolecules

  • Starch is a polysaccharide, which is a type of carbohydrate.
  • Carbohydrates are one of the main types of nutrients and are the most important source of energy for your body.
  • Starch is composed of numerous glucose units joined together by glycosidic bonds.
  • It serves as a form of energy storage in plants and is found in high amounts in foods like potatoes, rice, and corn.
  • The digestive system breaks down starch into glucose, which is then used by the body for energy.

Additional Information

  • Carbohydrates can be classified into simple and complex carbohydrates.
    • Simple carbohydrates include sugars found naturally in foods such as fruits, vegetables, milk, and milk products.
    • Complex carbohydrates include starches and fibers found in whole grains, legumes, and vegetables.
  • Functions of Carbohydrates:
    • Provide energy: Carbohydrates are the body's main source of fuel.
    • Sparing protein: Carbohydrates prevent the use of protein for energy, allowing protein to be used for other vital functions.
    • Regulation of blood glucose: Carbohydrates help regulate blood glucose levels.
    • Dietary fiber: Carbohydrates provide dietary fiber, which is important for digestive health.
  • Examples of Carbohydrates:
    • Monosaccharides: Glucose, Fructose, Galactose
    • Disaccharides: Sucrose, Lactose, Maltose
    • Polysaccharides: Starch, Glycogen, Cellulose
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