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Questions and Answers
What is the primary function of dietary fibers in our body?
What is the primary function of dietary fibers in our body?
- To synthesize proteins
- To add bulk to the food and help in removing undigested food (correct)
- To provide energy
- To build strong bones
Which of the following is a major source of roughage in our diet?
Which of the following is a major source of roughage in our diet?
- Milk and dairy products
- Whole grains and pulses (correct)
- Refined sugars
- Meat and poultry products
What is the role of water in our body?
What is the role of water in our body?
- To help in digestion
- To synthesize proteins
- To absorb nutrients from food and throw out wastes (correct)
- To provide energy
Which of the following food items is a good source of minerals?
Which of the following food items is a good source of minerals?
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Why is it essential to have a balanced diet?
Why is it essential to have a balanced diet?
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What is the primary source of water intake for our body?
What is the primary source of water intake for our body?
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What happens when we cut fruits and vegetables?
What happens when we cut fruits and vegetables?
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Why is water added to most cooked foods?
Why is water added to most cooked foods?
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What is the importance of roughage in our diet?
What is the importance of roughage in our diet?
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What is the role of fermented foods in our diet?
What is the role of fermented foods in our diet?
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Study Notes
Balanced Diet
- A balanced diet is essential for good health and growth, and should contain all necessary nutrients in right quantities.
- It should include a good amount of roughage and water.
- People of all ages need a balanced diet, but the type of diet may vary depending on age and physical activity.
Components of Food
- Major nutrients in food: carbohydrates, fats, proteins, vitamins, minerals, dietary fibers, and water.
- Carbohydrates and fats provide energy to the body.
- Proteins and minerals are necessary for growth and maintenance of the body.
- Vitamins help protect the body against diseases.
Importance of Water
- Water helps the body absorb nutrients from food.
- It helps in removing waste from the body through urine and sweat.
- Water is also obtained from food materials, such as vegetables and fruits, which contain water.
Roughage
- Roughage is also known as dietary fibers.
- It is mainly provided by plant products, such as whole grains, pulses, potatoes, fruits, and vegetables.
- Roughage does not provide any nutrients to the body, but adds bulk to food and helps in removing undigested food.
Minerals
- Calcium is essential for healthy bones.
- Fig. 1.10 shows sources of some minerals.
Preventing Deficiency Diseases
- Eating a balanced diet can prevent deficiency diseases.
- Deficiency of Vitamin D causes a disease.
- Deficiency of Vitamin C causes scurvy.
- Deficiency of Vitamin A causes night blindness.
Importance of a Balanced Diet Chart
- A balanced diet chart should be prepared to provide a balanced diet to a person, considering age, physical activity, and other factors.
- A chart should be prepared to check if all necessary nutrients are present in the food eaten over a period of time.
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