Food and Nutrition
Science Four
Long answer type questions
Answer the following questions
Question: 1 - What are energy giving foods?
Answer - Carbohydrates and fats are energy giving food. Rice, wheat, maize, potatoes, honey, sugar, are good sources of carbohydrates. Oil, ghee, butter and nuts are sources of fats.
Question: 2 - What are body building foods?
Answer- Proteins are body building foods. Pulses, eggs, fish, mutton, milk are sources of protein.
Question: 3 - What are protective foods?
Answer- Vitamins and minerals are protective foods.
Question: 4 - Why are proteins essentials for our body?
Answer - Proteins are essential for our body because it helps our body to grow and repair the worn-out tissues.
Question: 5 - What is the function of Iron in our body?
Answer- Iron helps in formation of haemoglobin in our blood and protects us from infections.
Question: 6 - Why should we eat a balance diet.
Answer - All nutrients have equal importance. In absence of any one of the nutrients leads to diseases, so we should always take a balance diet. A balance diet contains all nutrients in proper ratio and amount.
Question: 7 - Name four sources of Vitamin A.
Answer - Spinach, carrot, papaya and mango, are the sources of vitamin A.
Question: - 8What are the main function of calcium and phosphorous?
Answer - Calcium and phosphorous makes our bones and teeth strong.
Question: 9 - What are the sources of Vitamin D
Answer- Eggs, fish, milk and sun light, etc. are the sources of Vitamins D.
Question: 10 - Old people needs less carbohydrates, proteins and fats than young people justify the statement.
Answer – Generally, old people are not very active, this make functions of their body slow and hence, they need less energy. Therefore they need less carbohydrates, protein and fats.
While young children are more active and for their growth they need more carbohydrates, protein and fats.
Question: 11 - What is roughage write some food items that contain roughage.
Answer - Roughage is the fibre present in the food. It does not provide any nutrients to our body. It helps our body to get rid of undigested food by bulk formation.
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