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Extra Questions and mcqs on Components of Food Class 6 Science - Components of Food

Extra Questions

Q1. What is a deficiency disease?

  • Deficiency diseases occur when the body lacks one or more essential nutrients.
  • Common nutrients whose deficiencies cause diseases include vitamins, minerals, and proteins.
  • Examples of deficiency diseases:
    • Scurvy - lack of Vitamin C
    • Rickets - lack of Vitamin D
    • Anemia - lack of iron

Deficiency DiseasesDeficiency Diseases

Q2. Why is goitre caused?

  • Goitre is caused due to a deficiency of iodine.
  • Iodine is needed for the thyroid gland to function properly.
  • Without enough iodine, the thyroid gland enlarges, causing a visible swelling in the neck known as goitre.

GoitreGoitre

Q3. Name rich sources of vitamin A.

  • Carrots: High in beta-carotene, which converts to Vitamin A in the body.
  • Spinach: Provides Vitamin A along with other nutrients like iron and fiber.
  • Other sources: Mangoes, sweet potatoes, and pumpkin.

Q4. What is balanced diet?

  • A balanced diet includes all essential nutrients—carbohydrates, proteins, fats, vitamins, and minerals—in proper proportions.
  • It supports overall health, growth, and provides energy for daily activities.
  • A balanced diet prevents deficiency diseases and keeps the immune system strong.

Balanced DietBalanced Diet

Q5. What are energy giving foods?

  • Carbohydrates: Main source of energy found in foods like rice, bread, and pasta.
  • Fats: Also provide energy and are found in nuts, oils, and dairy products.
  • Both are essential to keep the body active and provide fuel for physical activities.

Q6. What are body building foods?

  • Body-building foods are rich in protein, essential for growth and muscle strength.
  • Sources include:
    • Dairy products: Milk, cheese, and yogurt.
    • Legumes: Beans, lentils, and chickpeas.
    • Animal products: Meat, fish, and eggs.

Importance of ProteinImportance of Protein

Q7. What are the sources of carbohydrates?

Carbohydrates are important for providing energy and are found in:
  • Grains: Such as rice, wheat, and maize (corn).
  • Starchy vegetables: Like potatoes and sweet potatoes.
  • Sugars: Natural sugars in fruits and added sugars in foods.

Q8. Name the disease caused by the deficiency of iron?

  • The deficiency of iron leads to anemia.
  • Iron is essential for producing hemoglobin, which carries oxygen in the blood.
  • Symptoms of anemia include tiredness, weakness, and shortness of breath.

Q9. Why is Vitamin C important for our body?

  • Vitamin C is essential for the growth and repair of tissues in our body.
  • It helps in healing wounds and maintaining healthy skin.
  • Vitamin C also strengthens the immune system to fight against infections.
  • Rich sources of Vitamin C: Citrus fruits like oranges, lemons, and also strawberries, bell peppers, and broccoli.

Extra Questions and mcqs on Components of Food Class 6 Science - Components of Food

Q10. What is the role of calcium in our body?

  • Calcium is important for building and maintaining strong bones and teeth.
  • It helps in the proper functioning of muscles and nerves.
  • Calcium also aids in blood clotting and maintaining a normal heartbeat.
  • Rich sources of calcium: Milk, cheese, yogurt, leafy green vegetables, and almonds.

Q11. What is the function of dietary fiber in our diet?

  • Dietary fiber helps to maintain a healthy digestive system.
  • It prevents constipation by adding bulk to the stool.
  • Fiber also helps to control blood sugar levels and maintain a healthy weight.
  • Rich sources of dietary fiber: Whole grains, fruits like apples and bananas, vegetables, and legumes such as beans and lentils.

Multiple Choice Questions

Q1. Which of the following are essential for body growth and the formation of new cells?
(a) Carbohydrates
(b) Protein
(c) Minerals
(d) Vitamins

Correct answer is Option (b) Protein.

Extra Questions and mcqs on Components of Food Class 6 Science - Components of Food  View Answer

A balanced diet, consisting of all the constituents of food, is necessary for the body but for growth and new cell formation, proteins also known as building blocks are essential.

Q2. The indigestible material in food is known as
(a) Roughage
(b) Minerals
(c) Vitamins
(d) Fats

Correct answer is Option (a) Roughage.

Extra Questions and mcqs on Components of Food Class 6 Science - Components of Food  View Answer
  • Roughage is the portion of plant foods, such as whole grains, nuts, seeds, legumes, fruits, and vegetables, that your body can't digest. 
  • All the constituents of food are digested but roughage or fibres are not digested, but they play a very important role in the formation and smooth elimination of bowels.

Extra Questions and mcqs on Components of Food Class 6 Science - Components of Food

Q3. The component of food which is the major energy supplier is
(a) Cellulose
(b) Protein
(c) Carbohydrate
(d) Amino acid

Correct answer is Option (c) Carbohydrate.

Extra Questions and mcqs on Components of Food Class 6 Science - Components of Food  View Answer
  • Carbohydrates are also called energy giving food. 
  • It is the main source of energy. 
  • It is made up of carbon, hydrogen, and oxygen. 

Q4. Protein is made up of which molecule?
(a) Lipid
(b) Carbon and oxygen
(c) Amino acid
(d) Oxygen and hydrogen

Correct answer is Option (c) Amino acid.

Extra Questions and mcqs on Components of Food Class 6 Science - Components of Food  View Answer
  • Proteins are biological macromolecules made up of amino acids. \
  • Amino acids are made up of carbon, hydrogen, oxygen and nitrogen. 
  • Nitrogen is present as amino group attached to α-carbon atom in amino acids.

Proteins are made out of Chains of Amino AcidsProteins are made out of Chains of Amino Acids

Q5. Scurvy is caused by deficiency of which of these?
(a) Vitamin A
(b) Vitamin D
(c) Vitamin 
(d) Vitamin C

Correct answer is Option (d) Vitamin C.

Extra Questions and mcqs on Components of Food Class 6 Science - Components of Food  View Answer
  • Scurvy happens when there is a lack of vitamin C or ascorbic acid. 
  • The deficiency leads to symptoms of weakness, anaemia, gum disease, and skin problems.

Q6. Rickets is caused by deficiency of which of these?
(a) Vitamin D
(b) Vitamin C
(c) Vitamin K
(d) Vitamin A

Correct answer is Option (a) Vitamin D.

Extra Questions and mcqs on Components of Food Class 6 Science - Components of Food  View Answer
  • Role of Vitamin D: Vitamin D helps the body absorb calcium and phosphorus, minerals that are essential for building strong and healthy bones.
  • Cause of Rickets: Lack of Vitamin D prevents proper calcium and phosphorus absorption, leading to soft and weak bones.
  • Symptoms of Rickets: Symptoms include bowed legs, stunted growth, and bone pain in areas like the spine, pelvis, and legs.
  • Sources of Vitamin D: Vitamin D is made in the body through sunlight exposure and can be found in foods such as fatty fish, egg yolks, and fortified dairy products.

RicketsRickets

Q7. Which of the following are the sources of fats?
(a) Oil, Ghee, Butter
(b) Eggs
(c) Rice, wheat, potatoes
(d) Iron and calcium

Correct answer is Option (a) Oil, Ghee, Butter.

Extra Questions and mcqs on Components of Food Class 6 Science - Components of Food  View Answer
  • Oil, ghee and butter are sources of fats.
  • Eggs are a source of protein.
  • Rice, wheat and potato are sources of carbohydrates.
  • Iron and calcium are essential minerals.

Q8. Which of the following are the sources of protein?
(a) Iron and calcium
(b) Rice and wheat,
(c) Meat, fish, eggs.
(d) Fruits and vegetables

Correct answer is Option (c) Meat, fish, eggs.

Extra Questions and mcqs on Components of Food Class 6 Science - Components of Food  View Answer
  • Milk, fish, meat, cheese and eggs are the main sources of animal proteins. 
  • Vegetable proteins can be obtained from legumes including pulses and beans. 
  • Proteins are required for the growth and repair of our body.

Q9. Night blindness is caused due to deficiency of
(a) Vitamin A
(b) 
Vitamin B
(c) 
Vitamin C
(d) 
Vitamin D

Correct answer is Option (a) Vitamin A.

Extra Questions and mcqs on Components of Food Class 6 Science - Components of Food  View Answer
  • Role of Vitamin A: Vitamin A is essential for maintaining healthy vision, particularly for seeing in low light conditions.
  • Cause of Night Blindness: Night blindness, or difficulty seeing in dim light, occurs when there is a deficiency of Vitamin A, which affects the retina's ability to adjust to darkness.
  • Symptoms of Night Blindness: People with night blindness may struggle to see clearly at dusk or in poorly lit spaces.
  • Sources of Vitamin A: Foods rich in Vitamin A include carrots, spinach, sweet potatoes, and animal products like liver and dairy.

Normal Vision & Night BlindnessNormal Vision & Night Blindness

Q10. Osteoporosis is primarily caused due to the deficiency of:
(a) Vitamin C
(b) Calcium
(c) Vitamin K
(d) Iron

Extra Questions and mcqs on Components of Food Class 6 Science - Components of Food  View Answer

Correct answer is Option (b) Calcium.

  • Role of Calcium: Calcium is essential for maintaining strong bones and teeth.
  • Cause of Osteoporosis: Osteoporosis, a condition where bones become weak and brittle, is often due to a lack of calcium, which reduces bone density over time.
  • Symptoms of Osteoporosis: This condition can lead to frequent fractures, back pain, and a stooped posture.
  • Sources of Calcium: Rich sources include dairy products, leafy greens, almonds, and fortified foods like certain cereals and juices.
The document Extra Questions and mcqs on Components of Food Class 6 Science - Components of Food is a part of the Class 6 Course Science Class 6.
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FAQs on Extra Questions and mcqs on Components of Food Class 6 Science - Components of Food

1. What are the main components of food?
Ans. The main components of food include carbohydrates, proteins, fats, vitamins, minerals, and water. Each of these components plays a crucial role in maintaining our health and supporting bodily functions.
2. Why are carbohydrates important in our diet?
Ans. Carbohydrates are essential as they provide energy to the body. They are the primary source of fuel for our daily activities and are found in foods like rice, bread, and fruits.
3. What role do proteins play in our body?
Ans. Proteins are important for growth, repair, and maintenance of body tissues. They are made up of amino acids and can be found in foods such as meat, fish, eggs, and legumes.
4. How do vitamins and minerals benefit our health?
Ans. Vitamins and minerals are crucial for various biochemical processes in the body. They help in immune function, energy production, and maintaining overall health. Different vitamins and minerals can be found in fruits, vegetables, dairy products, and whole grains.
5. Why is water considered an essential component of food?
Ans. Water is vital for life as it helps in digestion, absorption of nutrients, and regulation of body temperature. It also aids in the elimination of waste products. Staying hydrated is essential for maintaining overall health.
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