Biology
Grade-7
Easy

Question

What are carbohydrates made up of ?

  1. Carbon, hydrogen, oxygen 
  2. Carbon, nitrogen, aluminium
  3. Nitrogen, hydrogen, phosphorus
  4. Oxygen, hydrogen, nitrogen

hintHint:

The chemical formula for glucose.

The correct answer is: Carbon, hydrogen, oxygen


    • Carbohydrates are made up of carbon, hydrogen, and oxygen
    • The general formula for carbohydrates is straight C subscript straight n open parentheses straight H subscript 2 straight O close parentheses subscript straight n
    • Carbohydrates are the primary source of energy for the cells
    • Glucose has the molecular formula as straight C subscript 6 straight H subscript 12 straight O subscript 6

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