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  • Question
  • What is the principle carbohydrate of milk?


  • Options
  • A. Fructose
  • B. Sucrose
  • C. Lactose
  • D. Galactose

  • Correct Answer
  • Lactose 

    Explanation

    Lactose is the major carbohydrate in the milk of most species.

     

    Lactose is a disaccharide composed of the monosaccharides D-glucose and D-galactose, joined in a ß-1,4-glycosidic linkage. The chemical name for lactose is 4-0-ß-D-galactopyranosyl-D-glucopyranose.

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    General Science problems


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    • 1. MONEX is associated with

    • Options
    • A. Monetary experiment
    • B. Lunar experiment
    • C. Montreal experiment
    • D. Monsoon experiment
    • Discuss
    • 2. Which of the following is biodegradable?

    • Options
    • A. Iron nails
    • B. DDT
    • C. Silver foil
    • D. Leather bags
    • Discuss
    • 3. During which process is water produced?

    • Options
    • A. Acetyl COA formation
    • B. Electron transport chain
    • C. Alcohol fermentation
    • D. citric acid cycle
    • Discuss
    • 4. The 'P' in DPT stands for

    • Options
    • A. Pulmonary
    • B. Pneumonia
    • C. Pneumothorax
    • D. Pertussis
    • Discuss
    • 5. Which of the following CANNOT be considered a single phase?

    • Options
    • A. a heterogeneous mixture
    • B. a pure solid
    • C. a pure liquid
    • D. a homogeneous mixture
    • Discuss
    • 6. Pluto dwells on the inner edge of the

    • Options
    • A. Main asteroid belt
    • B. Oort cloud
    • C. Kuiper belt
    • D. None of the above
    • Discuss
    • 7. The term "simple carbohydrates" refers to

    • Options
    • A. polysaccharides
    • B. monosaccharides and disaccharides
    • C. starch and glycogen
    • D. dietary fiber
    • Discuss
    • 8. What gas makes up most of the atmosphere?

    • Options
    • A. Oxygen
    • B. Helium
    • C. Nitrogen
    • D. Carbondioxide
    • Discuss
    • 9. What type of macromolecule is DNA?

    • Options
    • A. Proteins
    • B. Carbohydrates
    • C. Nucleic acids
    • D. All of the above
    • Discuss
    • 10. The hot holding temperature for potentially hazardous foods must be

    • Options
    • A. not less than 60 deg
    • B. less than 60 deg
    • C. less than 5 deg
    • D. None of the above
    • Discuss


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