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Class 5 EVS Chapter 1 Case Based Questions - Components of Food

Case 1: Nutrition Basics

Sarah is a teenager who has recently started a new fitness regimen. She wants to make sure she's eating a balanced diet to support her workouts.

Q1: What are the main components of food that Sarah should include in her diet to maintain good health and support her workouts?
Ans: Sarah should include carbohydrates, proteins, fats, vitamins, minerals, and water in her diet.

Q2: Sarah is concerned about getting enough energy for her workouts. Which nutrient provides instant energy when oxidized in the body?
Ans: Carbohydrates provide instant energy when oxidized in the body.

Q3: What are the main components of food?
(a) Carbohydrates and fats
(b) Proteins and minerals
(c) Carbohydrates, proteins, fats, vitamins, minerals, and water
(d) Carbohydrates and vitamins
Ans: 
(c) Carbohydrates, proteins, fats, vitamins, minerals, and water

Q4: Which nutrient mainly helps in growth?
(a) Carbohydrates
(b) Proteins
(c) Fats
(d) Vitamins
Ans:
(b) Proteins

Case 2: Testing Nutrients

A science class is conducting experiments to test for nutrients in various food items.

Q5: How can you test for the presence of starch in a food item?
Ans: 
To test for starch, you can add iodine solution to a small quantity of the food item. If the food item turns blue-black, it indicates the presence of starch.

Q6: What does a violet color indicate in the test for proteins?
Ans:
A violet color in the test for proteins indicates the presence of proteins in the tested food item.

Q7: Which color indicates the presence of starch in a food item when tested with iodine solution?
(a) Red
(b) Blue-black
(c) Green
(d) Yellow
Ans:
(b) Blue-black

Q8: What does a violet color indicate in the test for proteins?
(a) 
Presence of carbohydrate
(b) Presence of fats
(c) Presence of proteins
(d) Presence of vitamins
Ans: 
(c) Presence of proteins

Case 3: Importance of Minerals

 A group of students is discussing the importance of minerals in their diet.

Q9: What is the role of calcium in the body?
Ans: 
Calcium is required for strengthening bones and teeth, blood clotting, and muscle contraction.

Q10: How can iodine deficiency be avoided in the diet?
Ans:
Iodine deficiency can be avoided by using iodized salt in the diet.

Q11: Which mineral is required for strengthening bones and teeth, blood clotting, and muscle contraction?
(a) Iron
(b) Phosphorus
(c) Calcium
(d) Iodine
Ans: 
(c) Calcium

Q12: How can iodine deficiency be avoided?
(a) By consuming more milk
(b) By using iodized salt
(c) By eating more fruits
(d) By avoiding vegetables
Ans: 
(b) By using iodized salt

Case 4: Vitamins and Their Functions

A group of students is learning about vitamins and their functions in maintaining a healthy body.

Q13: What is the role of vitamin D in the body?
Ans: 
Vitamin D helps the body absorb calcium and phosphorus to form bones and teeth.

Q14: What are water-soluble vitamins, and why can't they be stored for a long period of time?
Ans
: Water-soluble vitamins include vitamin B complex and vitamin C. They can't be stored for a long time because they dissolve in water and are excreted from the body.

Q15: Which vitamin helps the body absorb calcium and phosphorus for bone health?
(a) Vitamin A
(b) Vitamin C
(c) Vitamin D
(d) Vitamin K
Ans: 
(c) Vitamin D

Q16: Why can't water-soluble vitamins be stored for a long period of time in the body?
(a) Because they are found in small quantities in food
(b) Because they are excreted in urine
(c) Because they are toxic in large amounts
(d) Because they are destroyed by heat
Ans: 
(b) Because they are excreted in urine

Case 5: Balanced Diet and Deficiency Diseases

A nutritionist is advising a client on maintaining a balanced diet to prevent deficiency diseases.

Q17: What is a balanced diet, and why is it important?
Ans:
A balanced diet contains all the necessary nutrients in the right proportions to maintain good health. It is important because it prevents deficiency diseases.

Q18: What is the deficiency disease that occurs due to the lack of vitamin C in the diet?
Ans: 
The deficiency disease due to the lack of vitamin C is scurvy.

Q19: Why is a balanced diet important?
(a) It helps in gaining weight quickly
(b) It prevents deficiency diseases
(c) It makes you immune to all diseases
(d) It provides instant energy
Ans: (b) It prevents deficiency diseases

Q20: Which deficiency disease is caused by the lack of vitamin C in the diet?
(a) Beriberi
(b) Anaemia
(c) Scurvy
(d) Rickets
Ans: (c) Scurvy

The document Class 5 EVS Chapter 1 Case Based Questions - Components of Food is a part of the Class 6 Course Science Class 6.
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FAQs on Class 5 EVS Chapter 1 Case Based Questions - Components of Food

1. What are the main nutrients required by the body?
Ans. The main nutrients required by the body are carbohydrates, proteins, fats, vitamins, minerals, and water. These nutrients are essential for various bodily functions and maintaining good health.
2. How does the body use carbohydrates?
Ans. Carbohydrates are the main source of energy for the body. They are broken down into glucose, which is used by the body to fuel various activities such as physical exercise, brain function, and cellular processes.
3. What is the importance of minerals in our diet?
Ans. Minerals play a crucial role in maintaining good health. They are essential for the proper functioning of various bodily processes, such as bone formation, nerve function, muscle contraction, and maintaining electrolyte balance. Examples of minerals include calcium, iron, potassium, and zinc.
4. What are the functions of vitamins in the body?
Ans. Vitamins are organic compounds that are required in small amounts for various bodily functions. They play a vital role in metabolism, immune function, energy production, and maintaining overall health. Each vitamin has specific functions, such as vitamin C for immune support and vitamin D for calcium absorption.
5. How does a balanced diet help prevent deficiency diseases?
Ans. A balanced diet provides all the necessary nutrients in the right amounts to meet the body's needs. It helps prevent deficiency diseases by ensuring that the body receives adequate amounts of vitamins, minerals, proteins, carbohydrates, and fats. Deficiency diseases can occur when there is a lack of specific nutrients in the diet, leading to various health problems.
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