Which element is found in proteins but NOT in carbohydrates?

  1. Carbon
  2. Nitrogen
  3. Hydrogen
  4. Oxygen
Answer

B) Nitrogen

Proteins contain nitrogen; carbohydrates contain only C, H and O. O Level Biology · Topic 4 Biological Molecules · 4.1 Biological molecules

Biology MCQ · More O Level Biology: Biological Molecules MCQs · Practise