DAV Class 4 Science Chapter 7 Food Solutions contain enough material to allow students to establish a solid foundation with the fundamentals of the DAV Class 4 Science Textbook. DAV Class 4 science students who practice Dav Class 4 Science Solutions Question Answer on a regular basis are more likely to do well in their school exams.
DAV CLASS 4 Science Chapter 7 Food Question and Answer
A. Fill in the blanks.
1. Carbohydrates and fats are the nutrients which provide to our body.
2. Foodstuffs, containing are called body-building foods.
3_ and are sources of Vitamin C.
4. We can get from iodised table salt.
5. The roughage in our diet, helps the body to get rid of food.
B. Write True and False for the following statements.
1. All nutrients are important for our body.
2. Our food should include more than one source of protein
3. Our body needs Vitamin C for healthy bones and teeth
4. A balanced diet need not contain all the nutrients.
5. Old people, who are not very active, should eat more of fats and carbohydrates.
C. Tick (✅) the correct option.
1. Calcium, Iron and Phosphorus are examples of—(a) minerals (b) vitamins (c) proteins (d) carbohydrates
2. Protective foods are needed by our body for—(a) energy (b) warmth (c) health (d) growth
3. A person, doing a lot of physical work, needs more of—(a) vitamins (b) minerals (e) proteins (d) carbohydrates.
4.Sugar contains mainly—(a) carbohydrates (b) vitamins (c) minerals (d) fats
5.The vitamin, that helps us to have good eye-sight, is Vitamin—(a) A (b) B (c) C (d) D
D. Answer the following questions in brief.
1. Name the nutrients present in energy giving foods.
2. State the main role of proteins for our body.
3. Name two food items, obtained from animals, that are good sources of proteins.
4. Name two minerals that are required for healthy bones and teeth. Also mention one food source that contains both of them.
5. Why are vitamins and minerals called ‘protective foods’?
E. Answer the following questions.
1.What are nutrients? Why are they necessary for our body?
2. Why should we eat a balanced diet?
3. Why is it advisable to eat food items like whole fruits, salads and whole grains?
4. Why do we say that water is essential for proper functioning of our body?
5. ‘Old people need less of proteins, carbohydrates and fats than young children.’ Justify this statement.
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