Which of the following are present in proteins, carbohydrates as well as in fats?

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

Select the correct option from codes given below:

Answer: [A] 1, 2 & 4 Only

A carbohydrate is a biological molecule consisting of carbon, hydrogen and oxygen (O) atoms. Fat is one of the three main macronutrients, along with carbohydrate and protein. Fats also known as triglycerides are esters of three fatty acid chains. Fats are made from carbon, hydrogen and oxygen. Nitrogen is present only in proteins.

This question is a part of GKToday's Integrated IAS General Studies Module