. Answer the following questions.
1. Why do we need food?
2. Write any two functions of nutrients. Name the va
3. What are protective foods? Why are they called
4. Why is milk called a complete food?
5. What is a balanced diet?
6. Explain any three methods of food preservation.
Answers
Answer:
Answer:1.A food is something that provides nutrients. ... energy for activity, growth, and all functions of the body such as breathing, digesting food, and keeping warm; materials for the growth and repair of the body, and for keeping the immune system healthy.
2.They are the main source of energy for the body.
2.They are the main source of energy for the body.They help in building and repairing body tissues.
2.They are the main source of energy for the body.They help in building and repairing body tissues.Increases the absorption of fat-soluble vitamins.
2.They are the main source of energy for the body.They help in building and repairing body tissues.Increases the absorption of fat-soluble vitamins.Helps in the synthesis of collagen.
2.They are the main source of energy for the body.They help in building and repairing body tissues.Increases the absorption of fat-soluble vitamins.Helps in the synthesis of collagen.Provides proper structure to the blood vessels, bones and ligaments.
3.Vitamins and minerals are known as protective foods. They are so called because they help to keep the body healthy by regulating the body processes and helping the body to produce substances that fight diseases. They are mostly found in fruits, vegetables, cereals, and animal food.
4.Milk is regarded as complete food. It contains protein, fat, carbohydrates, all known vitamins, various minerals and all the food ingredients considered essential for sustaining life and maintaining health.
5.a diet consisting of a variety of different types of food and providing adequate amounts of the nutrients necessary for good health.
6.Smoking
6.SmokingSmoking prevents dehydration in fish and meat and thus prevents spoilage. The wood smoke contains a large number of anti-microbial compounds that slow the rancidification of animal fats.
6.SmokingSmoking prevents dehydration in fish and meat and thus prevents spoilage. The wood smoke contains a large number of anti-microbial compounds that slow the rancidification of animal fats.Canning
6.SmokingSmoking prevents dehydration in fish and meat and thus prevents spoilage. The wood smoke contains a large number of anti-microbial compounds that slow the rancidification of animal fats.CanningThe food contents are sealed in an airtight container at high temperatures. Meat, fish, fruits are preserved by canning.
6.SmokingSmoking prevents dehydration in fish and meat and thus prevents spoilage. The wood smoke contains a large number of anti-microbial compounds that slow the rancidification of animal fats.CanningThe food contents are sealed in an airtight container at high temperatures. Meat, fish, fruits are preserved by canning.Sterilization
6.SmokingSmoking prevents dehydration in fish and meat and thus prevents spoilage. The wood smoke contains a large number of anti-microbial compounds that slow the rancidification of animal fats.CanningThe food contents are sealed in an airtight container at high temperatures. Meat, fish, fruits are preserved by canning.SterilizationThis method is carried out to remove microbes from food. For eg., milk sterilization at 100°C kills the microbes