MCQ Component of food Class 6 – [100 MCQs] Master your exam

MCQ Component of food Class 6. These 100 MCQs covers the different nutrients in our food, their functions, and the importance of a balanced diet for preventing deficiency diseases. It also covers simple experiments for testing the presence of carbohydrates, proteins, and fats in food items.

MCQ Component of food Class 6 - Master your exam

The Functions of Major Nutrients – MCQ Component of food Class 6

Q1. What is the primary function of carbohydrates in our body?

(a) Providing energy

(b) Aiding in growth and repair

(c) Protecting against diseases

(d) Assisting in the absorption of nutrients

Answer
    Answer: (a) Providing energy

Explanation: Carbohydrates mainly provide energy to our body.    

Q2. Which nutrient is primarily responsible for the growth and repair of our body?

(a) Carbohydrates

(b) Fats

(c) Proteins

(d) Vitamins

Answer
    Answer: (c) Proteins

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

Q3. What role do vitamins play in our body?

(a) Providing energy

(b) Aiding in growth and repair

(c) Protecting against diseases

(d) Assisting in the absorption of nutrients

Answer
    Answer: (c) Protecting against diseases

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

Q4. Which vitamin helps in keeping our skin and eyes healthy?

(a) Vitamin A

(b) Vitamin C

(c) Vitamin D

(d) Vitamin E

Answer
    Answer: (a) Vitamin A

Explanation: Vitamin A keeps our skin and eyes healthy.    

Q5. What is the primary function of minerals in our body?

(a) Providing energy

(b) Aiding in growth and repair

(c) Protecting against diseases

(d) Contributing to proper growth and maintaining good health

Answer
    Answer: (d) Contributing to proper growth and maintaining good health

Explanation: Minerals are essential for proper growth of the body and to maintain good health.    

Q6. Which nutrient is primarily responsible for providing roughage in our diet?

(a) Carbohydrates

(b) Fats

(c) Proteins

(d) Dietary fibers

Answer
    Answer: (d) Dietary fibers

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

Q7. How does water contribute to our body’s functions?

(a) Providing energy

(b) Aiding in growth and repair

(c) Helping in nutrient absorption and waste elimination

(d) Protecting against diseases

Answer
    Answer: (c) Helping in nutrient absorption and waste elimination

Explanation: Water helps in absorbing nutrients from food and assists in eliminating waste from the body through urine and sweat.    

Q8. Which statement accurately describes the role of water in our diet?

(a) Our body gets most of the water from the food we eat.

(b) Water does not contribute to any bodily functions.

(c) Water helps in maintaining body temperature only.

(d) Water assists in absorbing nutrients from food and eliminating waste from the body.

Answer
    Answer: (d) Water assists in absorbing nutrients from food and eliminating waste from the body.

Explanation: Water plays a crucial role in aiding the absorption of nutrients from food and eliminating waste from the body.    

Q9. Which nutrient category provides much more energy compared to carbohydrates?

(a) Fats

(b) Proteins

(c) Vitamins

(d) Minerals

Answer
    Answer: (a) Fats

Explanation: Fats give much more energy compared to the same amount of carbohydrates.    

Q10. What is another term for dietary fibers?

(a) Energy boosters

(b) Roughage

(c) Body building foods

(d) Essential vitamins

Answer
    Answer: (b) Roughage

Explanation: Dietary fibers are also known as roughage.    

Vitamins, Minerals, and Fiber in the Diet – MCQ Component of food Class 6

Q11. What is the main function of vitamin D in our body?

(a) Helping in proper growth

(b) Maintaining healthy skin and eyes

(c) Aiding in the absorption of calcium for bones and teeth

(d) Assisting in fighting diseases

Answer
    Answer: (c) Aiding in the absorption of calcium for bones and teeth

Explanation: Vitamin D helps our body to use calcium for bones and teeth.    

Q12. Which group of vitamins includes Vitamin B-complex?

(a) Vitamin A

(b) Vitamin C

(c) Vitamin D

(d) Vitamin B-complex

Answer
    Answer: (d) Vitamin B-complex

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

Q13. What is the primary source of roughage in our diet?

(a) Animal products

(b) Processed foods

(c) Plant products

(d) Sugary snacks

Answer
    Answer: (c) Plant products

Explanation: Whole grains, pulses, potatoes, fresh fruits, and vegetables are the main sources of roughage in our diet.    

Q14. Which statement accurately describes the function of minerals in our body?

(a) They provide energy.

(b) They aid in growth and repair.

(c) They contribute to maintaining good health and proper growth.

(d) They protect against diseases.

Answer
    Answer: (c) They contribute to maintaining good health and proper growth.

Explanation: Minerals are essential for maintaining good health and proper growth of the body.    

Q15. How do vitamins contribute to keeping our eyes healthy?

(a) By providing energy

(b) By aiding in growth and repair

(c) By protecting against diseases

(d) By contributing to various body functions

Answer
    Answer: (c) By protecting against diseases

Explanation: Vitamins help in keeping our eyes healthy by protecting them against diseases.    

Q16. Which nutrient category primarily aids in the growth and repair of our body?

(a) Carbohydrates

(b) Fats

(c) Proteins

(d) Vitamins

Answer
    Answer: (c) Proteins

Explanation: Proteins are essential for the growth and repair of our body.    

Q17. What is the primary function of vitamins in our body?

(a) Providing energy

(b) Aiding in growth and repair

(c) Protecting against diseases

(d) Assisting in digestion

Answer
    Answer: (c) Protecting against diseases

Explanation: Vitamins help in protecting our body against diseases.    

Q18. Which vitamin helps our body to utilize calcium for bones and teeth?

(a) Vitamin A

(b) Vitamin C

(c) Vitamin D

(d) Vitamin E

Answer
    Answer: (c) Vitamin D

Explanation: Vitamin D helps our body to utilize calcium for bones and teeth.    

Q19. What is the main function of minerals in our body?

(a) Providing energy

(b) Aiding in growth and repair

(c) Protecting against diseases

(d) Maintaining good health and proper growth

Answer
    Answer: (d) Maintaining good health and proper growth

Explanation: Minerals contribute to maintaining good health and proper growth of the body.    

Q20. What is another term for dietary fibers?

(a) Energy boosters

(b) Roughage

(c) Body building foods

(d) Essential vitamins

Answer
    Answer: (b) Roughage

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

Balanced Diets and Deficiency Diseases – MCQ Component of food Class 6

Q21. What is the term used for the diet that contains all the necessary nutrients in the right quantities?

(a) Specialized diet

(b) Balanced diet

(c) Nutrient-rich diet

(d) Varied diet

Answer
    Answer: (b) Balanced diet

Explanation: A diet that contains all the necessary nutrients in the right quantities is called a balanced diet.    

Q22. What is the primary purpose of consuming a balanced diet?

(a) To gain weight

(b) To lose weight

(c) For growth and maintenance of good health

(d) To boost energy levels

Answer
    Answer: (c) For growth and maintenance of good health

Explanation: Consuming a balanced diet is important for the growth and maintenance of good health.    

Q23. What factors may influence the type of balanced diet needed?

(a) Age and physical activity levels

(b) Dietary restrictions and preferences

(c) Cultural background and traditions

(d) Availability of food items

Answer
    Answer: (a) Age and physical activity levels

Explanation: The type of balanced diet needed may depend on factors like age and the amount of physical work one does.    

Q24. Which following foods are sources of many nutrients, allowing for a balanced diet without expensive ingredients?

(a) Fast food and processed snacks

(b) Fresh fruits and vegetables

(c) Pulses, groundnut, soyabean, sprouted seeds, fermented foods, and others

(d) Dairy products and meat

Answer
    Answer: (c) Pulses, groundnut, soyabean, sprouted seeds, fermented foods, and others

Explanation: These foods provide many nutrients and can contribute to a balanced diet without being expensive.    

Q25. What precaution should be taken while preparing food to retain its nutrients?

(a) Cooking food for longer durations

(b) Washing vegetables and fruits after cutting or peeling

(c) Using excess water during cooking

(d) Repeated washing of rice and pulses after soaking

Answer
    Answer: (b) Washing vegetables and fruits after cutting or peeling

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

Q26. Which nutrient is easily destroyed by heat during cooking?

(a) Protein

(b) Carbohydrates

(c) Vitamin C

(d) Minerals

Answer
    Answer: (c) Vitamin C

Explanation: Vitamin C gets easily destroyed by heat during cooking.    

Q27. What harmful condition may result from consuming too much fat-rich foods?

(a) Malnutrition

(b) Obesity

(c) Anemia

(d) Osteoporosis

Answer
    Answer: (b) Obesity

Explanation: Consuming too much fat-rich foods may lead to obesity.    

Q28. What are deficiency diseases?

a) Diseases caused by excess intake of nutrients

b) Disorders resulting from the overconsumption of food

c) Diseases caused by a lack of specific nutrients over a prolonged period

d) Conditions arising from a balanced diet

Answer
    Answer: (c) Diseases caused by a lack of specific nutrients over a prolonged period

Explanation: Deficiency diseases are conditions that arise due to a lack of specific nutrients over an extended period of time.    

Q29. Which of the following symptoms may indicate a deficiency of proteins in the diet?

a) Weight gain and bloating

b) Stunted growth and skin discoloration

c) Excessive energy levels and muscle development

d) Increased appetite and improved digestion

Answer
    Answer: (b) Stunted growth and skin discoloration

Explanation: A deficiency of proteins in the diet may lead to stunted growth, swelling of the face, discolouration of hair, skin diseases, and diarrhoea.    

Q30. What happens if a person’s diet lacks both carbohydrates and proteins over an extended period?

a) Enhanced physical performance

b) Rapid muscle growth

c) Complete cessation of growth and severe weakness

d) Increased metabolic rate

Answer
    Answer: (c) Complete cessation of growth and severe weakness

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

Identifying Nutrients in Food (Experiment Focus) – MCQ Component of food Class 6

Q31. How can deficiency diseases be prevented?

a) By overeating

b) By taking dietary supplements only

c) By following a balanced diet

d) By consuming junk food regularly

Answer
    Answer: (c) By following a balanced diet

Explanation: Deficiency diseases can be prevented by ensuring the intake of a balanced diet containing all essential nutrients.    

Q32. What ensures that meals from different regions have a balanced distribution of nutrients?

a) Cultural traditions

b) Economic factors

c) Government regulations

d) Common distribution of varying food

Answer
    Answer: (d) Common distribution of varying food

Explanation: The common distribution of varying food ensures that meals from different regions have a balanced distribution of nutrients.    

Q33. Which of the following are considered major nutrients in our food?

(a) Carbohydrates, proteins, vitamins, and water

(b) Carbohydrates, proteins, fats, vitamins, and minerals

(c) Carbohydrates, proteins, fats, and water

(d) Carbohydrates, proteins, minerals, and dietary fibres

Answer
    Answer: (b) Carbohydrates, proteins, fats, vitamins, and minerals

Explanation: Major nutrients in our food include carbohydrates, proteins, fats, vitamins, and minerals.    

Q34. What is the primary function of carbohydrates and fats in our body?

(a) Aiding in growth and maintenance

(b) Providing energy

(c) Protecting against diseases

(d) Assisting in water retention

Answer
    Answer: (b) Providing energy

Explanation: Carbohydrates and fats primarily provide energy to our body.    

Q35. Which nutrients are essential for the growth and maintenance of our body?

(a) Proteins and fats

(b) Carbohydrates and minerals

(c) Proteins and minerals

(d) Carbohydrates and vitamins

Answer
    Answer: (c) Proteins and minerals

Explanation: Proteins and minerals are essential for the growth and maintenance of our body.    

Q36. What is the role of vitamins in our body?

(a) Providing energy

(b) Aiding in growth

(c) Protecting against diseases

(d) Assisting in digestion

Answer
    Answer: (c) Protecting against diseases

Explanation: Vitamins help in protecting our body against diseases.    

Q37. What does a balanced diet provide?

(a) Only energy

(b) All the nutrients our body needs in right quantities

(c) Only roughage and water

(d) Only vitamins and minerals

Answer
    Answer: (b) All the nutrients that our body needs, in right quantities, along with adequate amount of roughage and water

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

Q38. Which nutrients mainly provide energy to our body?

(a) Proteins and minerals

(b) Carbohydrates and fats

(c) Vitamins and water

(d) Dietary fibres and minerals

Answer
    Answer: (b) Carbohydrates and fats

Explanation: Carbohydrates and fats mainly provide energy to our body.    

Q39. What is the function of proteins in our body?

(a) Providing energy

(b) Aiding in growth and maintenance

(c) Protecting against diseases

(d) Assisting in water retention

Answer
    Answer: (b) Aiding in growth and maintenance

Explanation: Proteins are needed for the growth and maintenance of our body.    

Q40. What do vitamins primarily help in?

(a) Aiding in digestion

(b) Providing energy

(c) Protecting against diseases

(d) Assisting in growth

Answer
    Answer: (c) Protecting against diseases

Explanation: Vitamins help in protecting our body against diseases.    

Vitamins and Disease Prevention – MCQ Component of food Class 6

Q41. What may happen if there is a deficiency of one or more nutrients in our food for a long time?

(a) Increased energy levels

(b) Enhanced growth and maintenance

(c) Certain diseases or disorders

(d) Improved body functioning

Answer
    Answer: (c) Certain diseases or disorders

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

Q42. What is the significance of a balanced diet?

(a) It provides only energy to the body.

(b) It includes only roughage and water.

(c) It ensures all the necessary nutrients in appropriate quantities.

(d) It focuses solely on vitamins and minerals.

Answer
    Answer: (c) It ensures all the necessary nutrients in appropriate quantities.

Explanation: A balanced diet provides all the necessary nutrients in appropriate quantities, along with adequate roughage and water.    

Q43. Which vitamin deficiency is associated with night blindness?

(a) Vitamin A

(b) Vitamin B1

(c) Vitamin C

(d) Vitamin D

Answer
    Answer: (a) Vitamin A

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

Q44. Pellagra is a condition caused by the deficiency of which vitamin?

(a) Vitamin A

(b) Vitamin B1

(c) Vitamin C

(d) Vitamin D

Answer
    Answer: (b) Vitamin B1

Explanation: Pellagra is a disease resulting from a deficiency of niacin (Vitamin B3) or its precursor tryptophan, which is a B-complex vitamin.    

Q45. Which vitamin deficiency can lead to scurvy?

(a) Vitamin A

(b) Vitamin B1

(c) Vitamin C

(d) Vitamin D

Answer
    Answer: (c) Vitamin C

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

Q46. Rickets, a softening and weakening of bones in children, is primarily caused by the deficiency of which vitamin?

(a) Vitamin A

(b) Vitamin B1

(c) Vitamin C

(d) Vitamin D

Answer
    Answer: (d) Vitamin D

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

Q47. Osteoporosis, a condition characterized by fragile bones, can result from the deficiency of which nutrient?

(a) Vitamin A

(b) Vitamin B1

(c) Calcium

(d) Vitamin D

Answer
    Answer: (c) Calcium

Explanation: Osteoporosis is often linked to calcium deficiency, as calcium is vital for bone strength and density.    

Q48. Which nutrient deficiency can lead to hypothyroidism and goiter?

(a) Vitamin A

(b) Vitamin B1

(c) Iodine

(d) Iron

Answer
    Answer: (c) Iodine

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

Q49. Anaemia, a condition characterized by a deficiency of red blood cells or hemoglobin, can result from the deficiency of which nutrient?

(a) Vitamin A

(b) Vitamin B1

(c) Iodine

(d) Iron

Answer
    Answer: (d) Iron

Explanation: 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.    

Q50. Beriberi is primarily caused by the deficiency of which vitamin?

(a) Vitamin A

(b) Vitamin B1

(c) Vitamin C

(d) Vitamin D

Answer
    Answer: (b) Vitamin B1

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

Carbohydrates and Food Testing (Experiment Focus) – MCQ Component of food Class 6

Q51. Which of the following is a key role of Vitamin B1 in the body?

(a) Enhancing vision

(b) Promoting blood clotting

(c) Supporting nerve function

(d) Strengthening bones

Answer
    Answer: (c) Supporting nerve function

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

Q52. What are the major nutrients found in food?

(a) Carbohydrates, proteins, fats, vitamins, minerals, dietary fibers, water

(b) Carbohydrates, sugars, starch, vitamins, minerals, fats, proteins

(c) Carbohydrates, proteins, vitamins, minerals, water, caustic soda, iodine

(d) Proteins, fats, sugars, vitamins, dietary fibers, water

Answer
    Answer: (a) Carbohydrates, proteins, fats, vitamins, minerals, dietary fibers, water

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

Q53. Which nutrients can be tested for using simple methods?

(a) Carbohydrates, proteins, fats

(b) Vitamins, minerals, dietary fibers

(c) Sugars, starch, caustic soda

(d) Water, iodine, copper sulphate

Answer
    Answer: (a) Carbohydrates, proteins, fats

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

Q54. What are the main carbohydrates found in food?

(a) Starch and sugars

(b) Sugars and minerals

(c) Starch and caustic soda

(d) Fats and proteins

Answer
    Answer: (a) Starch and sugars

Explanation: The passage mentions that the main carbohydrates found in our food are in the form of starch and sugars.    

Q55. What precautions should be taken while conducting tests on food items?

(a) Eat or taste any chemicals used

(b) Use only raw ingredients for testing

(c) Handle chemicals carefully, avoid eating or tasting them

(d) Conduct tests without any supervision

Answer
    Answer: (c) Handle chemicals carefully, avoid eating or tasting them

Explanation: The passage advises to conduct tests carefully and not to eat or taste any chemicals used in the experiments.    

Q56. What equipment is required for conducting tests on food items?

(a) Solutions of iodine, copper sulphate, and caustic soda

(b) Test tubes and a dropper

(c) Solutions of iodine, copper sulphate, caustic soda, test tubes, and a dropper

(d) Raw ingredients only

Answer
    Answer: (c) Solutions of iodine, copper sulphate, caustic soda, test tubes, and a dropper

Explanation: 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.    

Q57. How can one test if a food item contains starch?

(a) By tasting it

(b) By conducting a simple test using iodine solution

(c) By adding water to it

(d) By smelling it

Answer
    Answer: (b) By conducting a simple test using iodine solution

Explanation: The passage suggests testing for the presence of starch in a food item using iodine solution.    

Q58. What precaution should be taken before conducting tests on food items?

(a) Use any available food items

(b) Only use the specified food items

(c) Eat the food items before conducting tests

(d) Discard the food items after testing

Answer
    Answer: (b) Only use the specified food items

Explanation: The passage advises conducting tests either with specified food items or any other available food items.    

Q59. Which nutrients are mentioned as components needed by our body?

(a) Proteins, fats, vitamins, minerals

(b) Carbohydrates, proteins, fats, vitamins, minerals

(c) Sugars, starch, dietary fibers, water

(d) Iodine, copper sulphate, caustic soda

Answer
    Answer: (b) Carbohydrates, proteins, fats, vitamins, minerals

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

Q60. How can a dilute solution of iodine be prepared?

(a) By adding tincture iodine to a test tube filled with water

(b) By adding tincture iodine to a test tube half filled with water

(c) By adding iodine crystals to a test tube filled with water

(d) By adding iodine crystals to a test tube half filled with water

Answer
    Answer: (b) By adding tincture iodine to a test tube half filled with water

Explanation: 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.    

Testing for Proteins and Fats (Experiment Focus) – MCQ Component of food Class 6

Q61. What is the method for preparing copper sulphate solution?

(a) Dissolving 100 grams of copper sulphate in 2 liters of water

(b) Dissolving 2 grams of copper sulphate in 100 ml of water

(c) Dissolving 2 grams of copper sulphate in 200 ml of water

(d) Dissolving 100 grams of copper sulphate in 1 liter of water

Answer
    Answer: (b) Dissolving 2 grams of copper sulphate in 100 ml of water

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

Q62. How much caustic soda is required to make the required solution?

(a) 10 grams dissolved in 200 ml of water

(b) 10 grams dissolved in 100 ml of water

(c) 100 grams dissolved in 10 ml of water

(d) 100 grams dissolved in 100 ml of water

Answer
    Answer: (b) 10 grams dissolved in 100 ml of water

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

Q63. What is the method for testing starch in a food item?

(a) Adding iodine crystals to the food item

(b) Putting 2-3 drops of dilute iodine solution on the food item

(c) Observing the texture of the food item

(d) Heating the food item at a high temperature

Answer
    Answer: (b) Putting 2-3 drops of dilute iodine solution on the food item

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

Q64. How can one identify the presence of starch in a food item?

(a) By observing a change in color to blue-black after adding dilute iodine solution

(b) By observing a change in texture after adding dilute iodine solution

(c) By tasting the food item

(d) By smelling the food item

Answer
    Answer: (a) By observing a change in color to blue-black after adding dilute iodine solution

Explanation: The passage mentions that if a food item turns blue-black after adding dilute iodine solution, it indicates the presence of starch.    

Q65. What should be done if the food item to be tested is solid?

(a) Add water directly to the solid food item

(b) Make a paste or powder of the solid food item before testing

(c) Heat the solid food item before testing

(d) Use a different method for testing solid food items

Answer
    Answer: (b) Make a paste or powder of the solid food item before testing

Explanation: 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.    

Q66. What should be added to the ground or mashed food item in the test tube?

(a) 10 drops of iodine solution

(b) 10 drops of copper sulphate solution

(c) 10 drops of water

(d) 10 drops of caustic soda solution

Answer
    Answer: (c) 10 drops of water

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

Q67. What indicates the presence of proteins in the food item?

(a) A change in color to violet after adding copper sulphate and caustic soda solutions

(b) A change in texture after adding copper sulphate and caustic soda solutions

(c) A change in odor after adding copper sulphate and caustic soda solutions

(d) A change in taste after adding copper sulphate and caustic soda solutions

Answer
    Answer: (a) A change in color to violet after adding copper sulphate and caustic soda solutions

Explanation: 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.    

Q68. What is the method for testing fats in a food item?

(a) Adding iodine solution to the food item

(b) Wrapping the food item in a piece of paper and crushing it

(c) Heating the food item at a high temperature

(d) Adding copper sulphate and caustic soda solutions to the food item

Answer
    Answer: (b) Wrapping the food item in a piece of paper and crushing it

Explanation: 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.    

Q69. How can one determine the presence of fats in a food item using the paper test?

(a) By observing an oily patch on the paper

(b) By observing a change in color of the paper

(c) By observing a change in texture of the paper

(d) By observing a change in odor of the paper

Answer
    Answer: (a) By observing an oily patch on the paper

Explanation: The passage mentions that an oily patch on the paper indicates the presence of fats in the food item.    

Q70. Which nutrient category is primarily responsible for providing energy to the body?

(a) Carbohydrates

(b) Proteins

(c) Fats

(d) Vitamins

Answer
    Answer: (a) Carbohydrates

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

Nutrient Functions and Food Sources – MCQ Component of food Class 6

Q71. What is the primary role of proteins in the body?

(a) Providing energy

(b) Regulating body temperature

(c) Serving as building blocks for growth, repair, and maintenance

(d) Enhancing vision

Answer
    Answer: (c) Serving as building blocks for growth, repair, and maintenance

Explanation: Proteins are essential for the growth, repair, and maintenance of body tissues, including muscles, organs, and skin.    

Q72. In addition to providing energy, what other roles do fats play in the body?

(a) Enhancing vision

(b) Insulation

(c) Building bone density

(d) Regulating body temperature

Answer
    Answer: (b) Insulation

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

Q73. Which nutrient category is crucial for hydration, temperature regulation, and waste removal in the body?

(a) Carbohydrates

(b) Proteins

(c) Water

(d) Minerals

Answer
    Answer: (c) Water

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

Q74. What is the primary function of minerals in the body?

(a) Providing energy

(b) Building bone density

(c) Regulating body temperature

(d) Enhancing vision

Answer
    Answer: (b) Building bone density

Explanation: Minerals support bone health, regulate body processes, and are essential components of body structures such as bones and teeth.    

Q75. Which nutrients primarily provide energy to our body?

(a) Carbohydrates

(b) Proteins

(c) Vitamin A

(d) Calcium

Answer
    Answer: (a) Carbohydrates

Explanation: Carbohydrates are the main source of energy for the body.    

Q76. What is the primary function of proteins in the body?

(a) Providing energy

(b) Growth and maintenance

(c) Maintaining good eyesight

(d) Keeping bones healthy

Answer
    Answer: (b) Growth and maintenance

Explanation: Proteins are essential for the growth and repair of tissues in the body.    

Q77. Which vitamin is necessary for maintaining good eyesight?

(a) Carbohydrates

(b) Proteins

(c) Vitamin A

(d) Calcium

Answer
    Answer: (c) Vitamin A

Explanation: Vitamin A is crucial for maintaining good eyesight.    

Q78. Which mineral is required for keeping our bones healthy?

(a) Carbohydrates

(b) Proteins

(c) Vitamin A

(d) Calcium

Answer
    Answer: (d) Calcium

Explanation: Calcium is essential for maintaining strong and healthy bones.    

Q79. Which of the following foods are rich in fats?

(a) Butter

(b) Avocado

(c) Potatoes

(d) Bread

(e) both a and b

Answer
    Answer: (e) Butter & Avocado

Explanation: Butter and avocado are both high in fats.    

Q80. Which foods are sources of starch?

(a) Butter

(b) Avocado

(c) Potatoes

(d) Bread

(e) both c and d

Answer
    Answer: (e) Potatoes &  Bread

Explanation: Potatoes and bread are examples of foods rich in starch.    

Dietary Fiber, Vitamins, and Minerals – MCQ Component of food Class 6

Q81. What types of food contain dietary fiber?

(a) Whole grains (brown rice, oats)

(b) Lentils

(c) Chicken

(d) Fish

(e) both a and b

Answer
    Answer: (e) Whole grains (brown rice, oats) &  Lentils

Explanation: Whole grains such as brown rice and oats, as well as lentils, are sources of dietary fiber.    

Q82. Which foods are good sources of protein?

(a) Butter

(b) Avocado

(c) Chicken

(d) Fish

(e) both c and d

Answer
    Answer: (e) Chicken &  Fish

Explanation: Chicken and fish are examples of foods that are rich in protein.    

Q83. Which deficiency causes the disease known as rickets?

(a) Vitamin D

(b) Vitamin B1 (Thiamine)

(c) Vitamin C

(d) Vitamin A

Answer
    Answer: (a) Vitamin D

Explanation: Rickets is caused by a deficiency of Vitamin D.    

Q84. What disease is caused by a deficiency of Vitamin B1 (Thiamine)?

(a) Rickets

(b) Beri-beri

(c) Scurvy

(d) Night blindness

Answer
    Answer: (b) Beri-beri

Explanation: Deficiency of Vitamin B1 (Thiamine) causes a disease known as beri-beri.    

Q85. Which disease is caused by a deficiency of Vitamin C?

(a) Rickets

(b) Beri-beri

(c) Scurvy

(d) Night blindness

Answer
    Answer: (c) Scurvy

Explanation: Deficiency of Vitamin C causes a disease known as scurvy.    

Q86. What deficiency leads to night blindness?

(a) Vitamin D

(b) Vitamin B1 (Thiamine)

(c) Vitamin C

(d) Vitamin A

Answer
    Answer: (d) Vitamin A

Explanation: Night blindness is caused due to deficiency of Vitamin A in our food.    

Q87. Which statement accurately reflects the relationship between rice and nutritional requirements?

(a) By eating rice alone, we can fulfill the 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
    Answer: (b) Deficiency diseases can be prevented by eating a balanced diet.

Explanation: deficiency diseases can be prevented by consuming a balanced diet.    

Q88. Which statement emphasizes the importance of consuming a variety of food items?

(a) By eating rice alone, we can fulfill the 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
    Answer: (c) Balanced diet for the body should contain a variety of food items.

Explanation: This statement highlights the importance of incorporating diverse food items into the diet to ensure adequate nutrition.    

Q89. Which nutrient is essential for the growth and repair of body tissues?

(a) Carbohydrates

(b) Proteins

(c) Fats

(d) Vitamins

Answer
    Answer: (b) Proteins

Explanation: Proteins are essential for the growth and repair of body tissues.    

The Roles of Nutrients in the Body – MCQ Component of food Class 6

Q90. What is the primary function of minerals in the body?

(a) Providing energy

(b) Aiding in digestion

(c) Regulating body processes

(d) Enhancing taste perception

Answer
    Answer: (c) Regulating body processes

Explanation: Minerals primarily regulate various body processes.    

Q91. What are dietary fibers mainly responsible for?

(a) Providing energy

(b) Enhancing taste perception

(c) Facilitating digestion and preventing constipation

(d) Regulating body temperature

Answer
    Answer: (c) Facilitating digestion and preventing constipation

Explanation: Dietary fibers facilitate digestion and help prevent constipation.    

Q92. Which nutrient category is primarily responsible for providing structure to cells and tissues?

(a) Carbohydrates

(b) Proteins

(c) Fats

(d) Vitamins

Answer
    Answer: (b) Proteins

Explanation: Proteins provide structure to cells and tissues in the body.    

Q93. Which nutrient is necessary for the absorption of fat-soluble vitamins?

(a) Carbohydrates

(b) Fats

(c) Proteins

(d) Minerals

Answer
    Answer: (b) Fats

Explanation: Fats are necessary for the absorption of fat-soluble vitamins.    

Q94. What is the role of water in the body?

(a) Providing energy

(b) Facilitating digestion

(c) Regulating body temperature and aiding in nutrient transport

(d) Building muscle mass

Answer
    Answer: (c) Regulating body temperature and aiding in nutrient transport

Explanation: Water helps regulate body temperature and aids in the transport of nutrients.    

Q95. Which nutrient is primarily responsible for providing quick energy?

(a) Proteins

(b) Fats

(c) Carbohydrates

(d) Minerals

Answer
    Answer: (c) Carbohydrates

Explanation: Carbohydrates provide quick energy to the body.    

Q96. What is the primary function of fats in the body?

(a) Providing structure to cells and tissues

(b) Providing quick energy

(c) Aiding in growth and repair

(d) Regulating body temperature

Answer
    Answer: (a) Providing structure to cells and tissues

Explanation: Fats primarily provide structure to cells and tissues.    

Q97. Which nutrient category includes substances like calcium, iron, and potassium?

(a) Vitamins

(b) Proteins

(c) Minerals

(d) Dietary fibers

Answer
    Answer: (c) Minerals

Explanation: Calcium, iron, and potassium are examples of minerals.    

Q98. How does a deficiency of vitamins in the diet affect the body?

(a) It may lead to weakened bones and teeth.

(b) It may result in impaired wound healing and immune function.

(c) It may cause excessive weight gain.

(d) It may lead to dehydration and electrolyte imbalances.

Answer
    Answer: (b) It may result in impaired wound healing and immune function.

Explanation: A deficiency of vitamins in the diet can result in impaired wound healing and immune function.    

Q99. Which nutrient aids in the formation of hormones and cell membranes?

(a) Carbohydrates

(b) Proteins

(c) Fats

(d) Vitamins

Answer
    Answer: (c) Fats

Explanation: Fats aid in the formation of hormones and cell membranes.    

Q100. What is the primary source of energy for the brain and nervous system?

(a) Proteins

(b) Fats

(c) Carbohydrates

(d) Minerals

Answer
    Answer: (c) Carbohydrates

Explanation: Carbohydrates are the primary source of energy for the brain and nervous system.    

What are the main nutrients and their functions?

Carbohydrates give energy, proteins build and repair, fats provide energy and structure, vitamins protect, minerals regulate, and fiber aids digestion.

Why is a balanced diet important?

It provides all necessary nutrients in the right amounts, ensuring growth and preventing deficiencies.

What are some common deficiency diseases?

Night blindness (vitamin A), Beriberi (vitamin B1), Scurvy (vitamin C), Rickets (vitamin D), and Anemia (iron).

How can we test for starch, protein, and fats in food?

Iodine for starch (blue-black color), copper sulfate and caustic soda for protein (violet color), and paper test for fats (oily patch).

What are examples of foods rich in carbohydrates, proteins, and fats?

Carbohydrates: rice, potatoes; Proteins: chicken, fish; Fats: butter, avocado.

Also Read: 100 MCQ Indian Mughal Empire – Best History MCQs

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