Question

What are nutrients ? What are its main types

Answer 1

The components of food which are useful for the physical and healthy development is called nutrients . These are of two types . They are :
(i) Micro nutrients , 
(ii) Macro nutrients .

Answer 2

the nutrient can be defined as a subustance in which an organism obtain from its surrounding and use it as source of energy or for biosynthesis of its body constituents 
they are so many types -
carbohydrates
fats 
protein 
vitamins 
minerals