NCERT Class 6 Science — Chapter 2: Components of food

Consider the following statements regarding the testing of nutrients in food items: 1. A blue-black colour produced after adding dilute iodine solution indicates the presence of starch. 2. A violet colour produced after adding copper sulphate and caustic soda indicates the presence of fats. Which of the statements given above is/are correct?

Consider the following statements regarding the preparation of solutions for nutrient testing: 1. A dilute solution of iodine is prepared by dissolving copper sulphate in water. 2. Copper sulphate solution is prepared by dissolving copper sulphate in water. 3. Caustic soda solution is prepared by dissolving caustic soda in water. Which of the statements given above are correct?

With reference to the test for fats in food items, consider the following statements: 1. An oily patch on paper generally indicates the presence of fat in the food item. 2. If a food item contains water, it will never leave a wet patch on the paper. 3. The paper should be heated strongly to check for the presence of starch. Which of the statements given above is/are correct?

Consider the following statements about dietary fibres: 1. Dietary fibres are also known as roughage. 2. They are mainly provided by animal products like milk and eggs. 3. They do not provide any nutrient to our body. Which of the statements given above are correct?

With reference to the role of water in the body, consider the following statements: 1. Water prevents the body from absorbing nutrients from food. 2. It helps in throwing out some wastes from the body as urine and sweat. 3. The body gets water from liquids drunk as well as from cooked food items. Which of the statements given above are correct?

Consider the following statements regarding Vitamins: 1. Vitamin A keeps the skin and eyes healthy. 2. Vitamin C is primarily responsible for the clotting of blood. 3. Vitamin D helps the body to use Iron for bones. Which of the statements given above is/are correct?

With reference to the loss of nutrients during food preparation, consider the following statements: 1. Repeated washing of rice and pulses may remove some vitamins and minerals. 2. Vitamin C is heat-stable and remains unaffected during cooking. 3. Using excess water during cooking and throwing it away results in the loss of useful proteins and minerals. Which of the statements given above are correct?

Consider the following statements about deficiency diseases: 1. Deficiency diseases are those caused by the intake of excess fat over a short period. 2. Deficiency of Vitamin B1 causes a disease known as Beriberi. 3. Deficiency of Iron causes Anaemia. Which of the statements given above are correct?

With reference to protein deficiency, consider the following statements: 1. Stunted growth and swelling of the face are symptoms of protein deficiency. 2. Discolouration of hair is exclusively caused by Vitamin A deficiency. 3. If the diet is deficient in both carbohydrates and proteins, the body weight increases rapidly. Which of the statements given above is/are correct?

Consider the following statements regarding the sources of nutrients: 1. Fish and eggs are sources of Vitamin D. 2. Papaya and carrot are rich sources of Vitamin C. 3. Wheat and rice are sources of carbohydrates. Which of the statements given above are correct?

Consider the following statements regarding minerals: 1. Minerals are needed by our body in large amounts to provide energy. 2. Iodine is essential for the proper functioning of glands in the neck. 3. Calcium is required for healthy bones and teeth. Which of the statements given above are correct?

With reference to the symptoms of deficiency diseases, consider the following statements: 1. Bleeding gums and slow healing of wounds are symptoms of Scurvy. 2. Weak bones and tooth decay are symptoms of Iron deficiency. 3. Poor vision and loss of vision in darkness are symptoms of Rickets. Which of the statements given above is/are correct?

Consider the following statements about the presence of nutrients in food: 1. Most food items usually have more than one nutrient. 2. Rice contains only carbohydrates and no other nutrients. 3. A raw ingredient may contain one particular nutrient in much larger quantity than others. Which of the statements given above are correct?

With reference to roughage, consider the following statements: 1. Roughage is primarily obtained from animal products like milk and meat. 2. Roughage helps our body get rid of undigested food. 3. Roughage adds bulk to the food. Which of the statements given above are correct?

Consider the following statements regarding the effects of cooking on food: 1. Cooking improves the taste of food and makes it easier to digest. 2. Cooking always preserves the nutritional value of food. 3. The skins of vegetables and fruits are devoid of any vitamins or minerals. Which of the statements given above is/are correct?

With reference to obesity, consider the following statements: 1. Obesity is a condition that can be caused by overeating. 2. Obesity is primarily caused by the excessive intake of roughage. 3. Fried foods like samosa and malai are examples of foods that can cause obesity if eaten in excess. Which of the statements given above are correct?

Consider the following statements about Vitamin D: 1. Vitamin D helps the body to use Iron for bones and teeth. 2. Our body prepares Vitamin D in the presence of sunlight. 3. Deficiency of Vitamin D causes Rickets. Which of the statements given above are correct?

Consider the following statements regarding the nutrient content in food: 1. Pulses and soyabean are sources of proteins. 2. Groundnuts and nuts are primarily sources of Vitamin C. 3. Sweet potato and sugarcane are rich sources of proteins. Which of the statements given above is/are correct?

With reference to deficiency diseases, consider the following statements: 1. Beriberi is caused by the deficiency of Vitamin B1. 2. Rickets results in the hardening of bones. 3. Goiter is characterized by the swelling of glands in the neck. Which of the statements given above are correct?

Consider the following statements about the role of minerals: 1. Iron is necessary to prevent Goiter. 2. Phosphorus is required for maintaining good health. 3. Minerals are required by the body in small amounts. Which of the statements given above are correct?

With reference to food components, consider the following statements: 1. Dietary fibres are essential components of food even though they provide no nutrients. 2. Water plays no role in maintaining body temperature. 3. A balanced diet can only be achieved by consuming expensive food materials. Which of the statements given above is/are correct?

Consider the following statements regarding the preparation of a balanced diet: 1. Fermented foods like idlis provide nutrients. 2. A combination of flours (missi roti, thepla) is devoid of any nutritional value. 3. Sprouted seeds (moong and Bengal gram) are nutritious. Which of the statements given above are correct?

Consider the following statements about Vitamin C: 1. Vitamin C is primarily found in dry fruits and nuts. 2. It helps the body fight against diseases. 3. Vitamin C gets easily destroyed by heat during cooking. Which of the statements given above are correct?

With reference to the sources of fats, consider the following statements: 1. Fats can be obtained from both plant and animal sources. 2. Sunflower oil and mustard oil are animal sources of fat. 3. Ghee, milk, and butter are plant sources of fat. Which of the statements given above is/are correct?

Consider the following statements regarding the symptoms of Anaemia: 1. It is caused by the deficiency of Iron. 2. It results in the strengthening of bones. 3. It is a deficiency disease related to minerals. Which of the statements given above are correct?

With reference to the components of food, consider the following statements: 1. Proteins are primarily known as 'energy-giving foods'. 2. Carbohydrates mainly provide energy to our body. 3. Vitamins help in protecting our body against diseases. Which of the statements given above are correct?

Consider the following statements regarding the Vitamin B-complex: 1. Vitamin B-complex is a group of vitamins. 2. Vitamin B1 is not considered a part of the Vitamin B-complex group. 3. Deficiency of Vitamin B1 causes Scurvy. Which of the statements given above is/are correct?

With reference to the deficiency of Vitamin A, consider the following statements: 1. It can cause night blindness. 2. It improves vision in dim light. 3. It can cause complete loss of vision. Which of the statements given above are correct?

With reference to the sources of Iodine, consider the following statements: 1. Ginger is a rich source of Vitamin D. 2. Fish is a source of Iodine. 3. Spinach is a source of Iodine. Which of the statements given above are correct?

Consider the following statements regarding the symptoms of Rickets: 1. It is caused by Vitamin D deficiency. 2. It results in bones becoming hard and brittle. 3. It affects the glands in the neck. Which of the statements given above is/are correct?

With reference to the nutrient content of milk, consider the following statements: 1. Milk contains protein. 2. Milk is completely devoid of fat. 3. Milk contains Vitamin D. Which of the statements given above are correct?

Consider the following statements about the test for fats: 1. If the paper wrapping the food item becomes oily and transparent, it indicates the presence of starch. 2. The test confirms the presence of water if the paper dries up without leaving an oily patch. 3. If no oily patch shows up after drying, the food item does not contain fat. Which of the statements given above are correct?

With reference to the functions of food components, consider the following statements: 1. Carbohydrates and fats are energy-giving foods. 2. Proteins and minerals are primarily used for energy production rather than growth. 3. Vitamins and minerals are not essential for the body. Which of the statements given above is/are correct?

With reference to the sources of Vitamin B, consider the following statements: 1. Liver is a source of Vitamin B. 2. Rice is a source of Vitamin C. 3. Wheat is a source of Vitamin B. Which of the statements given above are correct?

Consider the following statements regarding the symptoms of Goiter: 1. It is caused by Calcium deficiency. 2. It involves mental disability in children. 3. It involves the swelling of glands in the neck. Which of the statements given above are correct?

With reference to the digestion of food, consider the following statements: 1. Cooking makes food easier to digest. 2. Roughage helps in the digestion of food by providing enzymes. 3. Water hinders the body from absorbing nutrients. Which of the statements given above is/are correct?

Consider the following statements regarding the nutrient composition of food: 1. A diet deficient in proteins for a long time causes skin diseases. 2. A diet deficient in both carbohydrates and proteins causes obesity. 3. Deficiency diseases can be prevented by taking a balanced diet. Which of the statements given above are correct?

With reference to the sources of Phosphorus, consider the following statements: 1. Bananas are a rich source of fats. 2. Milk is a source of Phosphorus. 3. Green chillies are a source of Phosphorus. Which of the statements given above are correct?

The deficiency of which vitamin causes the disease known as 'Beriberi'?

Which combination of chemical solutions is typically used in the Biuret test to detect the presence of proteins?

Match List I with List II and select the correct answer using the code given below: List I | List II A. Starch Test | 1. Violet colour B. Protein Test | 2. Wet hands/moisture C. Fat Test | 3. Blue-black colour D. Water presence | 4. Oily patch