Question

II.
ANSWER THE FOLLOWING QUESTIONS:
1. Define the term nutrients.
2. Name the various nutrients needed by human body.
3. Why do we need carbohydrate in our diet.
4. Children need more proteins in diet. Why?
5. Write the test to show the presence of carbohydrate,
protein and fat in food items.
6. We advised to eat variety of food. Why?​

Answer 1

Answer:

1. nutrients are the important substances which give essential food for a healthy body

2. Various nutrients are carbohydrates,fats, proteins, vitamins and minerals

3. carbohydrates are needed to get energy for our body

4. children grow fast to build those tissues proteins are needed in their diet

6. body needs all nutrients to stay healthy so we are adviced to eat various foods

Answer 2

Answer:

1. a substance that is needed to keep a living thing alive and to help it grow.
2. Nutrients are compounds in foods essential to life and health, providing us with energy, the building blocks for repair and growth and substances necessary to regulate chemical processes. There are six major nutrients: Carbohydrates (CHO), Lipids (fats), Proteins, Vitamins, Minerals, Water.
3. Carbohydrates are your body's main source of energy: They help fuel your brain kidneys heart muscles and central nervous system. For instance fiber is a carbohydrate that aids in digestion helps you feel full and keeps blood cholesterol levels in check.
4. The reason that children need relatively more protein than adults is because of the protein requirement for growth. In order to maintain their tissues and organs, adults need to replace the protein that they inevitably breakdown or lose each day.
5. Tollen's test – Given sample food + Tollen's reagent → Silver mirror confirms the presence of carbohydrates. Iodine test – Given sample food + Iodine solution → Blue colour solution confirms the presence of starch.
6. There is no single food that can supply all the nutrients. That's why it's important to include a variety of foods. Proteins and minerals are needed for the growth and the maintenance of our body. Vitamins help in protecting our body against diseases.

hope this helps you....