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Exercises, Question 1:, Name the major nutrients in our food., , Answer 1:, The major nutrients in our food are named carbohydrates, proteins, fats, vitamins and, minerals. In addition, food contains dietary fibres and water which are also needed by our, body., , Question 2:, , Name the following:, (a) The nutrients which mainly give energy to our body., (b) The nutrients that are needed for the growth and maintenance of our body., (c) A vitamin required for maintaining good eyesight., (d) A mineral that is required for keeping our bones healthy., , Answer 2:, (a) The nutrients which mainly give energy to our body – Carbohydrates and Fats, (b) The nutrients that are needed for the growth and maintenance of our body - Proteins, (c) A vitamin required for maintaining good eyesight - Vitamin A, (d) A mineral that is required for keeping our bones healthy – Calcium, , Question 3:, Name two foods each rich in:, (a) Fats, (b) Starch, (c) Dietary fibre, (d) Protein, , Answer 3:, (a) Fats, (b) Starch, (c) Dietary fibre, (d) Protein, , : Ghee, Butter, Milk, Egg etc., : Potatoes, Sugar, Rice etc., : Vegetables, Fresh fruits etc., : Milk, Beans, Egg, Cheese etc., , 1

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Question 4:, Tick (√) the statements that are correct., (a) By eating rice alone, we can fulfil nutritional requirement of our body. ( ), (b) Deficiency diseases can be prevented by eating a balanced diet. ( ), (c) Balanced diet for the body should contain a variety of food items. ( ), (d) Meat alone is sufficient to provide all nutrients to the body. ( ), , Answer 4:, (a) By eating rice alone, we can fulfil nutritional requirement of our body. (X), (b) Deficiency diseases can be prevented by eating a balanced diet. (√), (c) Balanced diet for the body should contain a variety of food items. (√), (d) Meat alone is sufficient to provide all nutrients to the body. (X), , Question 5:, Fill in the blanks., (a) ______________ is caused by deficiency of Vitamin D., (b) Deficiency of ______________ causes a disease known as beriberi., (c) Deficiency of Vitamin C causes a disease known as ______________., (d) Night blindness is caused due to deficiency of ____________ in our food., , Answer 5:, (a) Rickets is caused by deficiency of Vitamin D., (b) Deficiency of vitamin B1 causes a disease known as beriberi., (c) Deficiency of Vitamin C causes a disease known as scurvy., (d) Night blindness is caused due to deficiency of vitamin A in our food., , 2