Diet

📘 Study MCQs

Q1. Which of these is an energy-giving nutrient?
A. Carbohydrates
B. Proteins
C. Vitamins
D. Minerals
A. Carbohydrates
Carbohydrates are the primary energy-giving nutrients; they are broken down into glucose to provide energy for the body’s activities.

Q2. Which nutrient is essential for the growth and repair of our body tissues?
A. Carbohydrates
B. Fats
C. Proteins
D. Water
C. Proteins
Proteins are the building blocks of the body, essential for growth, repair of tissues, and formation of enzymes and hormones.

Q3. Which nutrient helps to keep our skin healthy and our eyesight good?
A. Vitamin A
B. Calcium
C. Iron
D. Carbohydrates
A. Vitamin A
Vitamin A is essential for maintaining healthy skin, good vision (especially in dim light), and proper functioning of the immune system.

Q4. What is the main function of fats in our diet?
A. To build muscles
B. To provide more energy than carbohydrates
C. To fight infections
D. To help in digestion
B. To provide more energy than carbohydrates
Fats are concentrated sources of energy, providing more than twice the energy per gram compared to carbohydrates.

Q5. Which of these is a good source of protein?
A. Orange
B. Butter
C. Lentils (dal)
D. Potato
C. Lentils (dal)
Lentils are legumes rich in plant-based protein, making them an excellent protein source, especially in vegetarian diets.

Q6. Which component of food is mainly known as roughage or dietary fibre?
A. Cellulose
B. Protein
C. Starch
D. Fat
A. Cellulose
Cellulose is a type of dietary fibre (roughage) that the human body cannot digest but aids in bowel movement.

Q7. What is the main role of roughage in our body?
A. To provide energy
B. To build cells
C. To help in easy digestion and prevent constipation
D. To fight diseases
C. To help in easy digestion and prevent constipation
Roughage adds bulk to food, helps in proper bowel movement, and prevents constipation.

Q8. Which nutrient is needed for making blood in our body?
A. Calcium
B. Iodine
C. Iron
D. Phosphorus
C. Iron
Iron is essential for the formation of haemoglobin in red blood cells, which carries oxygen throughout the body.

Q9. Which vitamin is made by our body when we are in sunlight?
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D
D. Vitamin D
The skin synthesizes Vitamin D when exposed to sunlight; it is essential for calcium absorption and bone health.

Q10. Which mineral is essential for making our bones and teeth strong?
A. Iron
B. Iodine
C. Calcium
D. Sodium
C. Calcium
Calcium is the primary mineral in bones and teeth, providing strength and structure.

Q11. A disease caused by the lack of Vitamin C is called?
A. Rickets
B. Scurvy
C. Beri-Beri
D. Goitre
B. Scurvy
Vitamin C deficiency leads to scurvy, characterized by bleeding gums, weakness, and slow wound healing.

Q12. Which deficiency disease causes weak and soft bones in children?
A. Scurvy
B. Rickets
C. Anaemia
D. Night Blindness
B. Rickets
Rickets is caused by Vitamin D deficiency, leading to soft, weak bones and skeletal deformities in children.

Q13. Poor vision in dim light or night blindness is caused by the deficiency of which vitamin?
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D
A. Vitamin A
Vitamin A deficiency causes night blindness (inability to see well in dim light) and other vision problems.

Q14. Swelling of the neck, known as goitre, is caused by a deficiency of which mineral?
A. Iron
B. Iodine
C. Calcium
D. Phosphorus
B. Iodine
Iodine deficiency causes goitre—enlargement of the thyroid gland—and can lead to other metabolic issues.

Q15. A disease called beri-beri, which causes weakness, is due to the lack of which vitamin?
A. Vitamin A
B. Vitamin B1 (Thiamine)
C. Vitamin C
D. Vitamin D
B. Vitamin B1 (Thiamine)
Thiamine (Vitamin B1) deficiency causes beri-beri, which affects the nervous system and causes muscle weakness and fatigue.

Q16. What is the condition called when a person has a deficiency of iron in the body?
A. Goitre
B. Scurvy
C. Anaemia
D. Rickets
C. Anaemia
Iron deficiency leads to anaemia, a condition with reduced haemoglobin, causing fatigue, weakness, and pale skin.

Q17. Bleeding gums and slow healing of wounds are symptoms of a deficiency of which nutrient?
A. Vitamin K
B. Vitamin C
C. Protein
D. Calcium
B. Vitamin C
Vitamin C is essential for collagen synthesis; its deficiency causes scurvy, with symptoms like bleeding gums and poor wound healing.

Q18. What is a balanced diet?
A. A diet that contains only fruits
B. A diet that contains all nutrients in the right proportions
C. A diet that is very expensive
D. A diet with only energy-giving foods
B. A diet that contains all nutrients in the right proportions
A balanced diet provides all essential nutrients—carbohydrates, proteins, fats, vitamins, minerals, and water—in appropriate amounts.

Q19. Which of these is NOT a characteristic of a balanced diet?
A. It provides adequate energy.
B. It includes a variety of food items.
C. It contains excess fats and sugars.
D. It includes protective foods like fruits.
C. It contains excess fats and sugars.
A balanced diet limits excess fats and sugars to prevent obesity and related diseases; excess is not a characteristic.

Q20. Why is water an essential part of a balanced diet?
A. It provides energy.
B. It helps in digestion and removes waste.
C. It builds muscles.
D. It cures diseases.
B. It helps in digestion and removes waste.
Water aids digestion, absorption, transport of nutrients, and removal of waste products from the body.

Q21. Which of these food groups is primarily energy-giving?
A. Fats and oils
B. Milk and curd
C. Meat and fish
D. Leafy vegetables
A. Fats and oils
Fats and oils are concentrated sources of energy, providing more calories per gram than other food groups.

Q22. An example of an energy-giving food is?
A. Sugar
B. Egg
C. Spinach
D. Orange
A. Sugar
Sugar is a simple carbohydrate that provides quick energy to the body.

Q23. Which of these meals is the best example of a body-building food?
A. A bowl of rice
B. A plate of fruit salad
C. A glass of milk
D. A spoon of sugar
C. A glass of milk
Milk is rich in protein and calcium, making it an excellent body-building food for growth and tissue repair.

Q24. Why are proteins called ‘body-building foods’?
A. They give instant energy.
B. They help fight infections.
C. They are needed for growth and repair.
D. They help in digestion.
C. They are needed for growth and repair.
Proteins are the building blocks of the body, essential for the growth, maintenance, and repair of tissues.

Q25. Which nutrients are known as protective nutrients?
A. Carbohydrates and Fats
B. Proteins and Minerals
C. Vitamins and Minerals
D. Water and Roughage
C. Vitamins and Minerals
Vitamins and minerals protect the body from diseases and help regulate various body functions.

Q26. Which vitamin protects us from diseases by helping our immune system?
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin K
B. Vitamin C
Vitamin C boosts the immune system, helping the body fight infections and protect against diseases.

Q27. What is the process of washing rice and pulses with water before cooking called?
A. Boiling
B. Frying
C. Steaming
D. Washing and soaking
D. Washing and soaking
Washing removes dirt and impurities; soaking softens pulses and reduces cooking time.

Q28. Which cooking method helps to retain the most nutrients in vegetables?
A. Deep frying
B. Boiling for a long time
C. Steaming
D. Burning
C. Steaming
Steaming cooks vegetables with minimal nutrient loss, as vitamins are not leached into water or destroyed by high heat.

Q29. Why should we avoid overcooking vegetables?
A. It makes them tastier.
B. It saves fuel.
C. It destroys some vitamins.
D. It makes them look better.
C. It destroys some vitamins.
Overcooking destroys water-soluble vitamins like Vitamin C and B-complex, reducing nutritional value.

Q30. What is sprouting?
A. Frying seeds
B. Soaking seeds until they germinate and small shoots appear
C. Grinding seeds into flour
D. Roasting seeds
B. Soaking seeds until they germinate and small shoots appear
Sprouting involves germinating seeds or pulses, which increases their nutritional value, especially Vitamin C and B vitamins.

Q31. Why is it advised to cook food in just enough water?
A. To save water
B. To make the food look good
C. To prevent loss of nutrients into the cooking water
D. To cook faster
C. To prevent loss of nutrients into the cooking water
Using minimal water prevents water-soluble vitamins and minerals from leaching out into the cooking water.

Q32. Which of these is a healthy cooking practice?
A. Reusing oil many times for frying
B. Using excess salt
C. Cooking in an iron kadhai (pan)
D. Peeling vegetables deeply
C. Cooking in an iron kadhai (pan)
Cooking in iron vessels can add small amounts of iron to food, helping prevent iron deficiency anaemia.

Q33. Which of these food items is a good source of both carbohydrates and roughage?
A. Chicken
B. Whole wheat bread
C. Butter
D. Cheese
B. Whole wheat bread
Whole wheat bread contains carbohydrates for energy and dietary fibre (roughage) for digestion.

Q34. A person feeling tired and weak may be lacking which nutrient in their diet?
A. Fats
B. Carbohydrates
C. Water
D. Proteins
B. Carbohydrates
Carbohydrates are the body’s main energy source; their deficiency leads to fatigue and weakness.

Q35. What percentage of our body weight is approximately made up of water?
A. About 20%
B. About 40%
C. About 60%
D. About 80%
C. About 60%
The human body is about 60% water, varying with age, gender, and body composition.

Q36. Which of these is a function of water in our body?
A. To store energy
B. To regulate body temperature
C. To build muscles
D. To provide strength to bones
B. To regulate body temperature
Water helps regulate body temperature through sweating and maintains homeostasis.

Q37. What are nutrients?
A. Chemicals in soap
B. Components of food that are necessary for the body
C. Types of medicines
D. Harmful substances in food
B. Components of food that are necessary for the body
Nutrients are substances in food that provide energy, support growth, and maintain body functions.

Q38. Which vitamin is important for the clotting of blood when we get a cut?
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin K
D. Vitamin K
Vitamin K is essential for the synthesis of clotting factors that help stop bleeding.

Q39. Which of these is NOT a source of fat?
A. Mustard oil
B. Ghee
C. Nuts
D. Sugar
D. Sugar
Sugar is a carbohydrate, not a source of fat.

Q40. Which nutrient does NOT provide energy to the body?
A. Carbohydrate
B. Fat
C. Protein
D. Vitamin
D. Vitamin
Vitamins are micronutrients that regulate body functions but do not provide energy themselves.

Q41. Dry, scaly skin and poor growth in children can be a sign of deficiency of?
A. Proteins and Fats
B. Carbohydrates
C. Vitamin A
D. Water
A. Proteins and Fats
Protein-energy malnutrition (PEM) can cause poor growth, dry skin, and muscle wasting in children.

Q42. Which vitamin deficiency is common in people who eat only polished rice?
A. Vitamin A
B. Vitamin B1 (Thiamine)
C. Vitamin C
D. Vitamin D
B. Vitamin B1 (Thiamine)
Polished rice lacks the thiamine-rich husk, leading to thiamine deficiency and beri-beri.

Q43. A child with bowed legs may be suffering from?
A. Scurvy
B. Rickets
C. Anaemia
D. Goitre
B. Rickets
Vitamin D deficiency causes rickets, leading to soft bones and deformities like bowed legs.

Q44. Which meal plan is the most balanced for lunch?
A. Only potato chips and a soft drink
B. Chapati, dal, a vegetable curry, and a bowl of curd
C. Only a large chocolate pastry
D. Only fruits
B. Chapati, dal, a vegetable curry, and a bowl of curd
This meal provides carbohydrates (chapati), proteins (dal and curd), vitamins/minerals (vegetables), and is well-balanced.

Q45. What does the term ‘culinary practices’ refer to?
A. Methods of farming
B. Methods and techniques of cooking food
C. Methods of eating food
D. Methods of storing food
B. Methods and techniques of cooking food
Culinary practices encompass cooking methods, food preparation techniques, and kitchen traditions.

Q46. Bananas are a good source of which mineral?
A. Iron
B. Calcium
C. Potassium
D. Iodine
C. Potassium
Bananas are rich in potassium, essential for muscle function, nerve transmission, and maintaining fluid balance.

Q47. Which food item is a rich source of Vitamin A?
A. Lemon
B. Carrot
C. Rice
D. Egg white
B. Carrot
Carrots are rich in beta-carotene, which the body converts into Vitamin A.

Q48. Citrus fruits like oranges are famous for containing which vitamin?
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D
C. Vitamin C
Citrus fruits are excellent sources of Vitamin C (ascorbic acid), which boosts immunity and acts as an antioxidant.

Q49. For strong bones and teeth, we should eat foods rich in calcium and?
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin K
C. Vitamin D
Vitamin D is essential for calcium absorption; both are necessary for strong bones and teeth.

Q50. Sea fish and iodised salt are good sources of which mineral?
A. Iron
B. Calcium
C. Iodine
D. Phosphorus
C. Iodine
Sea fish and iodised salt provide iodine, which is essential for thyroid hormone production.

Q51. Eating only chips and burgers can give us a balanced diet.
A. True
B. False
B. False
Chips and burgers are high in fats and carbohydrates but lack essential vitamins, minerals, and proteins needed for a balanced diet.

Q52. Drinking 8-10 glasses of water a day is good for health.
A. True
B. False
A. True
Adequate water intake is essential for hydration, digestion, temperature regulation, and waste removal.

Q53. Proteins are only found in non-vegetarian food like meat.
A. True
B. False
B. False
Plant-based foods like lentils, beans, nuts, and dairy products also provide high-quality protein.

Q54. All fats are bad for our health.
A. True
B. False
B. False
Healthy fats (unsaturated fats) are essential for brain function and vitamin absorption; excess saturated and trans fats are harmful.

Q55. Roughage has no nutritional value, so it is not needed.
A. True
B. False
B. False
Roughage aids digestion, prevents constipation, and supports gut health despite not being digestible.

Q56. Rohan feels very tired after playing. Which nutrient should he eat to get quick energy?
A. A piece of chicken
B. A glucose biscuit or a banana
C. A glass of water
D. A handful of nuts
B. A glucose biscuit or a banana
Carbohydrates like glucose and natural sugars in bananas provide quick energy to replenish depleted stores.

Q57. Priya has bleeding gums. Which fruit should her doctor advise her to eat more?
A. Apple
B. Banana
C. Orange
D. Grapes
C. Orange
Bleeding gums indicate Vitamin C deficiency; oranges are rich in Vitamin C to help treat it.

Q58. A cook is making sprouted salad. What has he done to the pulses?
A. Fried them
B. Soaked them until small white shoots came out
C. Boiled them for hours
D. Mixed them with spices
B. Soaked them until small white shoots came out
Sprouting involves soaking pulses until they germinate and shoots appear, increasing their nutritional value.

Q59. What is the main problem with eating only ‘junk food’?
A. It is too tasty.
B. It does not provide a balanced diet.
C. It is always cheap.
D. It is always hot.
B. It does not provide a balanced diet.
Junk food is typically high in unhealthy fats, sugars, and salt but lacks essential nutrients for good health.

Q60. Why is it important to include fresh fruits and vegetables in our daily diet?
A. They are cheap.
B. They are protective foods.
C. They are high in fat.
D. They are energy-giving foods.
B. They are protective foods.
Fruits and vegetables are rich in vitamins, minerals, and antioxidants that protect the body against diseases.