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Class 5 EVS Chapter 1 Important Question Answers - Components of Food

Very Short Answer Type Questions

Q1: What is the definition of nutrition?
Ans: Nutrition is the process of consuming nutrients required for the growth and development of our body and to obtain energy.

Q2: Name two important nutrients found in food that mainly provide energy.
Ans: Carbohydrates and fats.

Q3: How can you test for the presence of starch in food?
Ans: By using iodine solution; a blue-black color indicates the presence of starch.

Q4: What is the primary role of proteins in our body?
Ans: Proteins provide chemical material for the growth and repair of body cells and tissues.

Q5: What is the significance of fats in our body?
Ans: Fats produce more energy than carbohydrates and also protect the body against rapid heat loss.

Q6: Which mineral is required for strengthening bones and teeth?
Ans: Calcium

Q7: Name a deficiency disease caused by the lack of iron in the diet.
Ans: Anaemia

Q8: What is the importance of vitamin D in the body?
Ans: Vitamin D helps the body absorb calcium and phosphorus, essential for bone and teeth formation.

Q9: Why is it important to have a balanced diet?
Ans: A balanced diet provides all the necessary nutrients in proper proportions for maintaining good health.

Q10: What do dietary fibers/roughage do in our body?
Ans: Dietary fibers help in easy absorption of food, bowel movement, and prevent constipation.

Short Answer Type Questions

Q11: Explain the test for starch in food in detail.
Ans: To test for starch in food, take a small quantity of the food item, put 2-3 drops of iodine solution on it, and observe the color change. A blue-black color indicates the presence of starch.

Q12: Describe the role of carbohydrates in our body.
Ans: Carbohydrates are compounds that provide instant energy when oxidized in the body. They are mainly present in foods like rice, potatoes, and bananas.

Q13: How do mineral salts benefit our health? Provide examples.
Ans: Mineral salts are required in small quantities for various bodily functions. For example, calcium strengthens bones and teeth, while iron is essential for forming hemoglobin.

Q14: Explain the significance of vitamins in maintaining a healthy body.
Ans: Vitamins play a crucial role in maintaining good health. For instance, vitamin A promotes growth and vision, while vitamin C helps fight diseases like the common cold.

Q15: Why is it important to avoid obesity? What causes obesity?
Ans: Obesity negatively affects health and well-being. It results from excess intake of fat-rich foods.

Long Answer Type Questions

Q16: Discuss the concept of a balanced diet and why it is essential for our health.
Ans: A balanced diet contains all necessary nutrients in proper proportions, including carbohydrates, proteins, fats, vitamins, minerals, and water. It is vital for maintaining good health as it provides the body with the required energy and materials for growth, repair, and daily activities.

Q17: Explain the term "deficiency diseases" and provide examples.
Ans: Deficiency diseases occur due to a lack of one or more nutrients in the diet over a prolonged period. Examples include anaemia (lack of iron), goitre (lack of iodine), beriberi (lack of vitamin B1), and scurvy (lack of vitamin C).

Q18: How can we prevent deficiency diseases through dietary choices?
Ans: Deficiency diseases can be prevented by including a variety of nutrient-rich foods in the diet. For example, consuming iron-rich foods like apples and fish can prevent anaemia, and using iodized salt can prevent goitre due to iodine deficiency.

Q19: Discuss the importance of proper food preparation and cooking methods in preserving nutrients.
Ans: Proper food preparation and cooking methods are crucial to prevent the loss of essential vitamins and minerals. For example, repeated washing of fruits and vegetables and overcooking can result in nutrient loss. Cooking methods should be chosen to retain the nutritional value of food.

Q20: Explain the role of water in our diet and its significance for our body.
Ans: Water is essential for the body to get rid of toxic wastes, absorb nutrients, and maintain overall health. It helps in digestion, circulation, and temperature regulation, among other functions. Drinking an adequate amount of water is crucial for our well-being.

The document Class 5 EVS Chapter 1 Important Question Answers - Components of Food is a part of the Class 6 Course Science Class 6.
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