Q.11

Question

What is the primary fuel of the body? 

a. Carbohydrates 

b. Lipids 

c. Proteins

d. Glycogen 


Step-by-Step Solution

Verified
Answer

The main source of energy for the human body is said to be carbohydrates since they give energy undergoing the process of direct oxidation.

The correct option is a

1Step 1. Introduction

Carbohydrates are a vital part of energy source in animals as well as plants. The most important category is of glucose. Glucose is a simple sugar and hence it is easy to yield energy from it.

2Step 2. Explanation for correct option

Carbohydrates can be found in various food products like in wheat, rice, maize and glucose (a type of simple Carbohydrate) is found naturally in honey, fruits and some vegetables.

3Step 3. Explanation for incorrect options

Lipids- These are found in fats, oils, etc, in molecules called glycerides. They are used by our body in simpler forms.

Proteins- These are complex organic molecules consisting of amino acid residues joined by peptide bonds

Glycogen- These are made up of numerous glucose molecules chained together.