Name the major nutrients in our food.

Name the major food nutrients provided by fish.

What are the major sources of our food ?

Name two ingredients in our food that are not obtained from plants or animals. Mention one source for each ingredient.

Food is one of the basic requirements of all living organisms. The major components of our food are

(a) Define a nutrient. Name four important nutrients persent in our food. (b) What are the various types of heterotrophic nutrition ?

How are nutrients present in our food absorbed by our body ?