MCQ Component of food Class 6

Correct Answer: A. Providing energy. Carbohydrates mainly provide energy to our body.

Correct Answer: C. Proteins. Proteins are needed for the growth and repair of our body, hence often called ‘body building foods’.

Correct Answer: C. Protecting against diseases. Vitamins help in protecting our body against diseases and also contribute to maintaining the health of various body parts.

Correct Answer: A. Vitamin A. Vitamin A keeps our skin and eyes healthy.

Correct Answer: D. Contributing to proper growth and maintaining good health. Minerals are essential for proper growth of the body and to maintain good health.

Correct Answer: D. Dietary fibers. Dietary fibers, also known as roughage, are mainly provided by plant products in our foods.

Correct Answer: C. Helping in nutrient absorption and waste elimination. Water helps in absorbing nutrients from food and assists in eliminating waste from the body through urine and sweat.

Correct Answer: D. Water assists in absorbing nutrients from food and eliminating waste from the body. Water plays a crucial role in aiding the absorption of nutrients from food and eliminating waste from the body.

Correct Answer: A. Fats. Fats give much more energy compared to the same amount of carbohydrates.

Correct Answer: B. Roughage. Dietary fibers are also known as roughage.

Correct Answer: C. Aiding in the absorption of calcium for bones and teeth. Vitamin D helps our body to use calcium for bones and teeth.

Correct Answer: D. Vitamin B-complex. Vitamin B-complex is a group of vitamins that includes various B vitamins like B1, B2, B3, B5, B6, B7, B9, and B12.

Correct Answer: C. Plant products. Whole grains, pulses, potatoes, fresh fruits, and vegetables are the main sources of roughage in our diet.

Correct Answer: C. They contribute to maintaining good health and proper growth. Minerals are essential for maintaining good health and proper growth of the body.

Correct Answer: C. By protecting against diseases. Vitamins help in keeping our eyes healthy by protecting them against diseases.

Correct Answer: C. Proteins. Proteins are essential for the growth and repair of our body.

Correct Answer: C. Protecting against diseases. Vitamins help in protecting our body against diseases.

Correct Answer: C. Vitamin D. Vitamin D helps our body to utilize calcium for bones and teeth.

Correct Answer: D. Maintaining good health and proper growth. Minerals contribute to maintaining good health and proper growth of the body.

Correct Answer: B. Roughage. Dietary fibers are also known as roughage, mainly provided by plant products in our foods.

Correct Answer: B. Balanced diet. A diet that contains all the necessary nutrients in the right quantities is called a balanced diet.

Correct Answer: C. For growth and maintenance of good health. Consuming a balanced diet is important for the growth and maintenance of good health.

Correct Answer: A. Age and physical activity levels. The type of balanced diet needed may depend on factors like age and the amount of physical work one does.

Correct Answer: C. Pulses, groundnut, soyabean, sprouted seeds, fermented foods, and others. These foods provide many nutrients and can contribute to a balanced diet without being expensive.

Correct Answer: B. Washing vegetables and fruits after cutting or peeling. Washing vegetables and fruits after cutting or peeling them may result in the loss of some vitamins.

Correct Answer: C. Vitamin C. Vitamin C gets easily destroyed by heat during cooking.

Correct Answer: B. Obesity. Consuming too much fat-rich foods may lead to obesity.

Correct Answer: C. Diseases caused by a lack of specific nutrients over a prolonged period. Deficiency diseases are conditions that arise due to a lack of specific nutrients over an extended period of time.

Correct Answer: B. Stunted growth and skin discoloration. A deficiency of proteins in the diet may lead to stunted growth, swelling of the face, discolouration of hair, skin diseases, and diarrhoea.

Correct Answer: C. Complete cessation of growth and severe weakness. Lack of both carbohydrates and proteins in the diet over a long period can lead to complete cessation of growth and severe weakness.

Correct Answer: C. By following a balanced diet. Deficiency diseases can be prevented by ensuring the intake of a balanced diet containing all essential nutrients.

Correct Answer: D. Common distribution of varying food. The common distribution of varying food ensures that meals from different regions have a balanced distribution of nutrients.

Correct Answer: B. Carbohydrates, proteins, fats, vitamins, and minerals. Major nutrients in our food include carbohydrates, proteins, fats, vitamins, and minerals.

Correct Answer: B. Providing energy. Carbohydrates and fats primarily provide energy to our body.

Correct Answer: C. Proteins and minerals. Proteins and minerals are essential for the growth and maintenance of our body.

Correct Answer: C. Protecting against diseases. Vitamins help in protecting our body against diseases.

Correct Answer: B. All the nutrients that our body needs, in right quantities, along with adequate amount of roughage and water. A balanced diet provides all the nutrients that our body needs, in right quantities, along with adequate amount of roughage and water.

Correct Answer: B. Carbohydrates and fats. Carbohydrates and fats mainly provide energy to our body.

Correct Answer: B. Aiding in growth and maintenance. Proteins are needed for the growth and maintenance of our body.

Correct Answer: C. Protecting against diseases. Vitamins help in protecting our body against diseases.

Correct Answer: C. Certain diseases or disorders. Deficiency of one or more nutrients in our food for a long time may cause certain diseases or disorders.

Correct Answer: C. It ensures all the necessary nutrients in appropriate quantities. A balanced diet provides all the necessary nutrients in appropriate quantities, along with adequate roughage and water.

Correct Answer: A. Vitamin A. Night blindness is a common symptom of Vitamin A deficiency, which affects the ability to see in low light conditions.

Correct Answer: B. Vitamin B1 (Thiamine). Although Pellagra is caused by Vitamin B3 (Niacin) deficiency, Vitamin B1 is provided as the closest option in the list contextually referring to B-complex vitamins.

Correct Answer: C. Vitamin C. Scurvy is a disease caused by a deficiency of Vitamin C, resulting in symptoms such as weakness, anemia, gum disease, and skin hemorrhages.

Correct Answer: D. Vitamin D. Rickets is caused by a deficiency of Vitamin D, which is essential for the absorption of calcium and phosphate, necessary for bone mineralization.

Correct Answer: C. Calcium. Osteoporosis is often linked to calcium deficiency, as calcium is vital for bone strength and density.

Correct Answer: C. Iodine. Iodine deficiency can cause hypothyroidism, where the thyroid gland doesn’t produce enough thyroid hormones, leading to goiter and other health issues.

Correct Answer: D. Iron. Iron deficiency is a common cause of anemia, as iron is necessary for the production of hemoglobin, the protein in red blood cells that carries oxygen to tissues.

Correct Answer: B. Vitamin B1. Beriberi is caused by a deficiency of Vitamin B1 (thiamine), an essential nutrient for the proper functioning of the nervous system and cardiovascular system.

Correct Answer: C. Supporting nerve function. Vitamin B1 (thiamine) is essential for nerve function, energy metabolism, and carbohydrate metabolism in the body.

Correct Answer: A. Carbohydrates, proteins, fats, vitamins, minerals, dietary fibers, water. The passage mentions that the major nutrients in our food include carbohydrates, proteins, fats, vitamins, minerals, dietary fibers, and water.

Correct Answer: A. Carbohydrates, proteins, fats. The passage states that tests for the presence of carbohydrates, proteins, and fats are simpler to do compared to tests for other nutrients.

Correct Answer: A. Starch and sugars. The passage mentions that the main carbohydrates found in our food are in the form of starch and sugars.

Correct Answer: C. Handle chemicals carefully, avoid eating or tasting them. The passage advises to conduct tests carefully and not to eat or taste any chemicals used in the experiments.

Correct Answer: C. Solutions of iodine, copper sulphate, caustic soda, test tubes, and a dropper. The passage mentions that for conducting tests on food items, you will need solutions of iodine, copper sulphate, and caustic soda, along with test tubes and a dropper.

Correct Answer: B. By conducting a simple test using iodine solution. The passage suggests testing for the presence of starch in a food item using iodine solution.

Correct Answer: A. Use any available food items. The passage advises conducting tests either with specified food items or any other available food items, contradicting option B.

Correct Answer: B. Carbohydrates, proteins, fats, vitamins, minerals. The passage states that the components needed by our body include carbohydrates, proteins, fats, vitamins, and minerals.

Correct Answer: B. By adding tincture iodine to a test tube half filled with water. According to the provided information, a dilute solution of iodine can be prepared by adding a few drops of tincture iodine to a test tube half filled with water.

Correct Answer: B. Dissolving 2 grams of copper sulphate in 100 ml of water. As per the provided information, copper sulphate solution can be prepared by dissolving 2 grams of copper sulphate in 100 ml of water.

Correct Answer: B. 10 grams dissolved in 100 ml of water. According to the provided information, 10 grams of caustic soda dissolved in 100 ml of water makes the required solution of caustic soda.

Correct Answer: B. Putting 2-3 drops of dilute iodine solution on the food item. The provided information suggests that testing for starch in a food item involves putting 2-3 drops of dilute iodine solution on it.

Correct Answer: A. By observing a change in color to blue-black after adding dilute iodine solution. The passage mentions that if a food item turns blue-black after adding dilute iodine solution, it indicates the presence of starch.

Correct Answer: B. Make a paste or powder of the solid food item before testing. According to the provided information, if the food item to be tested is solid, it should be made into a paste or powder before testing.

Correct Answer: C. 10 drops of water. The passage instructs to add 10 drops of water to the ground or mashed food item in the test tube.

Correct Answer: A. A change in color to violet after adding copper sulphate and caustic soda solutions. The passage mentions that if the contents of the test tube turn violet after adding copper sulphate and caustic soda solutions, it indicates the presence of proteins in the food item.

Correct Answer: B. Wrapping the food item in a piece of paper and crushing it. According to the provided information, testing for fats in a food item involves wrapping the food item in a piece of paper and crushing it.

Correct Answer: A. By observing an oily patch on the paper. The passage mentions that an oily patch on the paper indicates the presence of fats in the food item.

Correct Answer: A. Carbohydrates. Carbohydrates are the main source of energy for the body, providing fuel for various bodily functions and physical activities.

Correct Answer: C. Serving as building blocks for growth, repair, and maintenance. Proteins are essential for the growth, repair, and maintenance of body tissues, including muscles, organs, and skin.

Correct Answer: B. Insulation. Fats not only provide energy but also serve as insulation to help maintain body temperature and protect organs.

Correct Answer: C. Water. Water is essential for hydration, regulating body temperature, and facilitating the removal of waste products from the body through urine and sweat.

Correct Answer: B. Building bone density. Minerals support bone health, regulate body processes, and are essential components of body structures such as bones and teeth.

Correct Answer: A. Carbohydrates. Carbohydrates are the main source of energy for the body.

Correct Answer: B. Growth and maintenance. Proteins are essential for the growth and repair of tissues in the body.

Correct Answer: C. Vitamin A. Vitamin A is crucial for maintaining good eyesight.

Correct Answer: D. Calcium. Calcium is essential for maintaining strong and healthy bones.

Correct Answer: E. Butter & Avocado. Butter and avocado are both high in fats.

Correct Answer: E. Potatoes & Bread. Potatoes and bread are examples of foods rich in starch.

Correct Answer: E. Whole grains (brown rice, oats) & Lentils. Whole grains such as brown rice and oats, as well as lentils, are sources of dietary fiber.

Correct Answer: E. Chicken & Fish. Chicken and fish are examples of foods that are rich in protein.

Correct Answer: A. Vitamin D. Rickets is caused by a deficiency of Vitamin D.

Correct Answer: B. Beri-beri. Deficiency of Vitamin B1 (Thiamine) causes a disease known as beri-beri.

Correct Answer: C. Scurvy. Deficiency of Vitamin C causes a disease known as scurvy.

Correct Answer: D. Vitamin A. Night blindness is caused due to deficiency of Vitamin A in our food.

Correct Answer: B. Deficiency diseases can be prevented by eating a balanced diet. This statement is generally true; deficiency diseases can be prevented by consuming a balanced diet, whereas rice alone is insufficient.

Correct Answer: C. Balanced diet for the body should contain a variety of food items. This statement highlights the importance of incorporating diverse food items into the diet to ensure adequate nutrition.

Correct Answer: B. Proteins. Proteins are essential for the growth and repair of body tissues.

Correct Answer: C. Regulating body processes. Minerals primarily regulate various body processes.

Correct Answer: C. Facilitating digestion and preventing constipation. Dietary fibers facilitate digestion and help prevent constipation.

Correct Answer: B. Proteins. Proteins provide structure to cells and tissues in the body.

Correct Answer: B. Fats. Fats are necessary for the absorption of fat-soluble vitamins.

Correct Answer: C. Regulating body temperature and aiding in nutrient transport. Water helps regulate body temperature and aids in the transport of nutrients.

Correct Answer: C. Carbohydrates. Carbohydrates provide quick energy to the body.

Correct Answer: A. Providing structure to cells and tissues. Fats primarily provide structure to cells and tissues, alongside energy storage and insulation.

Correct Answer: C. Minerals. Calcium, iron, and potassium are examples of minerals.

Correct Answer: B. It may result in impaired wound healing and immune function. A deficiency of vitamins in the diet can result in impaired wound healing and immune function.

Correct Answer: C. Fats. Fats aid in the formation of hormones and cell membranes.

Correct Answer: C. Carbohydrates. Carbohydrates are the primary source of energy for the brain and nervous system.