Important Questions Test: Components of Food - Class 6 MCQ

• Carbohydrates: Carbohydrates are the main source of energy for our bodies. When consumed, carbohydrates are broken down into glucose, which is then used by our cells as fuel for energy.

• Carbohydrates provide our bodies with a quick source of energy, making them essential for daily activities and bodily functions.


• They are found in foods like bread, pasta, rice, fruits, and vegetables.


• It is important to consume carbohydrates in moderation and choose complex carbohydrates like whole grains for sustained energy levels.


• Proteins, calcium, and vitamins are essential for various bodily functions, but they do not directly provide energy like carbohydrates do.

• Composition: Rice is primarily composed of carbohydrates, with small amounts of protein and almost no fat. This makes it a great source of energy due to its high carbohydrate content.


• Starch: The main carbohydrate in rice is starch, which is a complex carbohydrate that provides a slow and steady release of energy. This is beneficial for maintaining energy levels throughout the day.


• Digestibility: Rice is easily digestible, making it a good choice for individuals with sensitive digestive systems or those recovering from illness.


• Cultural Significance: Rice is a staple food in many cultures around the world, providing a significant portion of daily carbohydrate intake for billions of people.


• Versatility: Rice can be prepared in a variety of ways, from steamed to fried, making it a versatile ingredient that can be incorporated into many different dishes.

• Sugar is a type of carbohydrate.


• Carbohydrates are one of the three main macronutrients, along with proteins and fats, that provide energy to the body.


• When we consume sugar, our body breaks it down into glucose, which is used as a primary source of energy.


• Excess sugar consumption can lead to health issues such as obesity, diabetes, and heart disease.


• It is important to consume sugar in moderation as part of a balanced diet.

Obesity is often associated with the excessive consumption of high-fat foods, leading to an imbalance between calorie intake and expenditure. Consuming an excess of calories, particularly from sources high in fats and sugars, can contribute to weight gain and the development of obesity.

• Prepare the starch solution: Mix a small amount of starch with water to create a starch solution.


• Prepare the iodine solution: Dilute iodine solution with water to make it less concentrated.


• Perform the test: Put a few drops of iodine solution on the starch solution.


• Observe the color change: If the solution turns blue-black, it indicates the presence of starch.

By following these steps, we can easily test for the presence of starch using iodine solution. This is a simple and effective method commonly used in laboratories and educational settings.

The nutrient that helps in repairing damaged body cells is protein. Proteins are made up of amino acids, which are the building blocks that the body uses to repair and regenerate tissues. Additionally, certain vitamins and minerals such as vitamin C, vitamin A, zinc, and iron also play crucial roles in the body's healing and repair processes.

• Vitamin C is not present in milk. Milk is a good source of several vitamins, including Vitamin A, Vitamin B12, and Vitamin D, but it does not contain Vitamin C.


• Vitamin C is commonly found in fruits and vegetables such as oranges, strawberries, bell peppers, and broccoli.


• It is important to include a variety of foods in your diet to ensure you are getting all the essential vitamins and nutrients your body needs.


• If you are looking to increase your Vitamin C intake, consider incorporating more fruits and vegetables into your meals or taking a Vitamin C supplement.

Nutrients are substances that are essential for the maintenance of life and growth. They include carbohydrates, proteins, fats, vitamins, minerals, and water, all of which play vital roles in various physiological processes within the body.

To take a balanced diet, all of the options listed (i) Fat, (ii) Dietary fiber, (iii) Carbohydrate, and (iv) Roughage play important roles, but in different ways:

• Fat is essential for energy storage, insulation, and absorption of fat-soluble vitamins.
• Dietary fiber aids in digestion, helps prevent constipation, and may reduce the risk of certain diseases.
• Carbohydrates provide energy, especially for brain function and physical activity.
• Roughage (often referring to fiber-rich foods) helps maintain digestive health and can contribute to a feeling of fullness.

Therefore, the correct answer that includes all these components for a balanced diet would be: all of them.

While water is essential for life, it is not considered a nutrient in the same sense as carbohydrates, fats, proteins, vitamins, and minerals. Rather, water is a vital component of the body and plays a crucial role in various physiological functions, including temperature regulation, nutrient transport, and waste removal.

• There are five major nutrients essential for human health:


• Carbohydrates: Provide energy and support brain function.
• Proteins: Build and repair tissues, crucial for growth.
• Fats: Offer energy, support cell growth, and protect organs.
• Vitamins: Help regulate body processes and boost immunity.
• Minerals: Support various bodily functions like bone health and fluid balance.

• Rickets: Deficiency of Vitamin D causes Rickets, not Vitamin B1.


• Beriberi: This is a condition caused by a lack of Vitamin B1 in the diet.


• Scurvy: Scurvy is caused by a deficiency of Vitamin C, not Vitamin B1.


• Goiter: Goiter is primarily caused by iodine deficiency, not Vitamin B1 deficiency.

Therefore, the correct answer is Beriberi. Beriberi is a condition that affects the nervous and cardiovascular systems and can lead to symptoms like fatigue, weakness, difficulty walking, and nerve damage. It is important to consume an adequate amount of Vitamin B1 through diet to prevent this deficiency-related condition.

Both fats and carbohydrates are considered energy-giving foods as they provide the body with calories, which are units of energy. Fats and carbohydrates are primary sources of energy for the body, with each gram providing a certain number of calories upon digestion and metabolism.

• Vitamin A is essential for vision, immune function, and skin health.
• Both papaya and mango are rich in carotenoids, which the body converts into Vitamin A.
• Carrots are also well-known for their high Vitamin A content, specifically beta-carotene.
• Including a variety of fruits and vegetables like papaya and mango in your diet can help ensure adequate Vitamin A intake.

Rickets is caused due to deficiency of vitamin D and minerals like phosphorous and calcium in children. Its symptoms are defective mineralization or calcification of bones potentially leading to fractures and deformity

• Fat: Fish are a great source of healthy fats, including omega-3 fatty acids, which are important for brain function and reducing inflammation in the body.


• Protein: Fish is a high-quality source of protein, which is essential for building and repairing tissues in the body.


• Vitamin D: Fish is one of the few natural food sources of vitamin D, which is important for bone health and immune function.


• Carbohydrate: Fish do not contain significant amounts of carbohydrates.

The correct answer is option A: (i), (ii), (iii)

Therefore, fish mainly provide us with fat, protein, and vitamin D, making them a nutritious addition to a balanced diet.

Ghee and butter are derived from animal sources, specifically from milk. Therefore, they are categorized as animal fats. These fats primarily consist of saturated fats and are commonly used in cooking and food preparation.

• Vitamin D: When our skin is exposed to sunlight, it produces vitamin D. This is why it is often referred to as the "sunshine vitamin".

• Bone health: Vitamin D helps in the absorption of calcium and phosphorus, which are essential for maintaining strong and healthy bones.


• Immune system: It plays a crucial role in supporting the immune system and reducing the risk of infections.


• Mood regulation: Vitamin D is also important for regulating mood and preventing conditions like depression.


• Overall health: Adequate levels of vitamin D are necessary for overall health and well-being.

• Sun exposure: Spending time in the sun is the most natural way to get vitamin D. However, it is important to practice sun safety and avoid prolonged exposure without protection.


• Diet: Some foods like fatty fish, fortified dairy products, and egg yolks also contain vitamin D, but it may be difficult to get enough through diet alone.


• Supplements: In cases where sun exposure is limited or dietary intake is insufficient, vitamin D supplements may be recommended by healthcare providers.

All of the following food items are rich sources of iron:

1. Spinach: Spinach is a leafy green vegetable that is a good source of iron, among other nutrients.
2. Sea fish: Sea fish, such as salmon and tuna, are good sources of heme iron, which is more easily absorbed by the body compared to non-heme iron.
3. jaggery is rich in iron. It is a traditional, unrefined sugar made from sugarcane or palm sap.

• Importance of Balanced Diet: One of the most effective ways to prevent deficiency diseases is by consuming a balanced diet. A diet that includes a variety of fruits, vegetables, whole grains, lean proteins, and dairy products provides essential nutrients that help maintain overall health and prevent deficiencies.



• Include a Variety of Foods: It is important to include a variety of foods in your diet to ensure you are getting all the necessary nutrients. Different foods contain different vitamins and minerals, so a diverse diet can help prevent deficiencies.



• Consult a Healthcare Professional: If you suspect you may have a deficiency or are at risk of developing one, it is important to consult a healthcare professional. They can provide guidance on dietary changes or recommend supplements if necessary.



• Regular Health Check-ups: Regular health check-ups can help identify any deficiencies early on. By monitoring your health regularly, you can prevent deficiencies from developing into more serious health problems.



• Stay Hydrated: Drinking an adequate amount of water is essential for overall health and can help prevent deficiencies by aiding in the absorption of nutrients from food.

• Calcium: Calcium is a vital nutrient that plays a crucial role in keeping our bones healthy and strong.


• Bone Formation: Calcium is the main mineral found in bones, and it is essential for the formation of bone tissue.


• Bone Strength: Adequate calcium intake helps in maintaining bone strength and density, reducing the risk of fractures and osteoporosis.


• Calcium Absorption: Vitamin D is essential for calcium absorption in the body, so it is important to ensure an adequate intake of both nutrients.


• Recommended Intake: The recommended daily intake of calcium varies by age and gender, but it is generally important to include good food sources of calcium in the diet, such as dairy products, leafy greens, and fortified foods.

Scurvy is the name for a vitamin C deficiency. It can lead to anaemia, debility, exhaustion, spontaneous bleeding, pain in the limbs, and especially the legs, swelling in some parts of the body, and sometimes ulceration of the gums and loss of teeth.

• Night blindness caused by nearsightedness, cataracts, or vitamin A deficiency is treatable.
• Corrective lenses, such as eyeglasses or contacts, can improve nearsighted vision both during the day and at night.
• Let your doctor know if you still have trouble seeing in dim light even with corrective lenses.

- Deficiency diseases are caused by a prolonged lack of essential nutrients in the diet.
- The human body requires vitamins, minerals, proteins, and other nutrients to function correctly.
- Without these nutrients, various body functions can be impaired, leading to diseases.
- Examples include scurvy from vitamin C deficiency and rickets from vitamin D deficiency.
- Proper nutrition provides the essential building blocks for maintaining health and preventing such conditions.