Biology
Grade-7
Easy

Question

Which of the following are the most frequent type of molecules found in food?

  1. Carbohydrates 
  2. Proteins
  3. Lipids 
  4. All of the above 

hintHint:

Food is made up of biomolecules that provide energy.

The correct answer is: All of the above


    • Food is required to provide energy for the cellular metabolism
    • Biomolecules include carbohydrates, lipids, proteins, and nucleic acids
    • Nucleic acids contain genetic information and do not provide energy to a cell
    • Carbohydrates, lipids, and proteins provide energy following hydrolysis and are commonly found in the food materials
    • Examples of carbohydrates include potatoes, wheat, rice, etc
    • Examples of proteins include meat and pulses
    • Examples of lipids include oils and fats

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