Q1. What is the role of dietary fibers in our body?
a) They provide energy.
b) They help in the absorption of proteins.
c) They aid in digestion and prevent constipation.
d) They are the main source of nutrients.
Answer: c) They aid in digestion and prevent constipation.
Explanation: Dietary fibers, also known as roughage, are mainly provided by plant products and help in digestion and in preventing constipation by adding bulk to the diet.
Q2. Which vitamin is essential for maintaining good eyesight?
a) Vitamin A
b) Vitamin B
c) Vitamin C
d) Vitamin D
Answer: a) Vitamin A
Explanation: Vitamin A is essential for maintaining good eyesight, skin health, and also plays a crucial role in immune function.
Q3. What nutrient is primarily provided by pulses and meat?
a) Carbohydrates
b) Fats
c) Proteins
d) Vitamins
Answer: c) Proteins
Explanation: Pulses and meat are rich sources of proteins, which are essential for the growth and repair of body tissues.
Q4. Which of the following minerals is important for bone health?
a) Iron
b) Calcium
c) Iodine
d) Phosphorus
Answer: b) Calcium
Explanation: Calcium is crucial for maintaining strong bones and teeth, as well as for proper functioning of muscles and nerves.
Q5. Deficiency of which vitamin leads to the disease scurvy?
a) Vitamin A
b) Vitamin B12
c) Vitamin C
d) Vitamin D
Answer: c) Vitamin C
Explanation: Scurvy is caused by a deficiency of Vitamin C, which is necessary for the synthesis of collagen, an important protein for skin, blood vessels, and bones.
Q6. Which of the following food items is a rich source of fats?
a) Rice
b) Orange
c) Butter
d) Spinach
Answer: c) Butter
Explanation: Butter is a rich source of fats, which are essential for providing energy and supporting cell growth.
Q7. What is the main function of proteins in our body?
a) To provide energy
b) For growth and repair of body tissues
c) To protect against diseases
d) To improve bone density
Answer: b) For growth and repair of body tissues
Explanation: Proteins are essential for the growth and repair of body tissues, as well as for the maintenance of muscle mass and overall body health.
Q8. Which nutrient deficiency causes rickets in children?
a) Vitamin A
b) Vitamin B12
c) Vitamin C
d) Vitamin D
Answer: d) Vitamin D
Explanation: Rickets, characterized by softened and weakened bones, is caused by a deficiency of Vitamin D, which is crucial for calcium and phosphorus absorption for healthy bone development.
Q9. What is the main source of energy for our body?
a) Proteins
b) Fats
c) Carbohydrates
d) Vitamins
Answer: c) Carbohydrates
Explanation: Carbohydrates are the body’s main source of energy, providing the necessary fuel for the brain, muscles, and other organs to function properly.
Q10. Which of the following food items is a good source of dietary fiber?
a) White bread
b) Whole grains
c) Red meat
d) Dairy products
Answer: b) Whole grains
Explanation: Whole grains are a good source of dietary fiber, which aids in digestion and helps maintain a healthy gut by adding bulk to the diet.
Q11. Iron deficiency in the diet can lead to which condition?
a) Obesity
b) Scurvy
c) Anemia
d) Osteoporosis
Answer: c) Anemia
Explanation: Iron deficiency can lead to anemia, a condition characterized by a lack of healthy red blood cells, leading to fatigue and weakness.
Q12. Which vitamin is synthesized by the human body when exposed to sunlight?
a) Vitamin A
b) Vitamin B12
c) Vitamin C
d) Vitamin D
Answer: d) Vitamin D
Explanation: The human body synthesizes Vitamin D when the skin is exposed to sunlight, which is important for calcium absorption and bone health.
Q13. Foods rich in which of the following are called energy-giving foods?
a) Proteins and vitamins
b) Carbohydrates and fats
c) Vitamins and minerals
d) Dietary fibers and water
Answer: b) Carbohydrates and fats
Explanation: Carbohydrates and fats are considered energy-giving foods because they provide the necessary energy for daily activities and bodily functions.
Q14. The disease known as beriberi is caused by the deficiency of which vitamin?
a) Vitamin A
b) Vitamin B1 (Thiamine)
c) Vitamin C
d) Vitamin D
Answer: b) Vitamin B1 (Thiamine)
Explanation: Beriberi is caused by a deficiency of Vitamin B1 (Thiamine), which is essential for energy metabolism and nerve function.
Q15. Which of the following is not a function of the nutrients found in food?
a) To provide energy
b) To help in cell phone operation
c) To support growth and repair of tissue
d) To protect against diseases
Answer: b) To help in cell phone operation
Explanation: Nutrients found in food do not have any role in the operation of cell phones. They provide energy, support growth, repair tissues, and protect against diseases.
Q16. Which mineral is necessary for the formation of hemoglobin in the blood?
a) Calcium
b) Iron
c) Potassium
d) Zinc
Answer: b) Iron
Explanation: Iron is necessary for the formation of hemoglobin, a protein in red blood cells that carries oxygen from the lungs to the rest of the body.
Q17. What is the main purpose of consuming food items rich in vitamins and minerals?
a) To increase body mass
b) To provide structural support to the body
c) To aid in physiological functions and protect against diseases
d) To store energy for future use
Answer: c) To aid in physiological functions and protect against diseases
Explanation: Vitamins and minerals are essential for various physiological functions, including metabolism, bone health, and protection against diseases.
Q18. A diet that contains all the necessary nutrients in correct proportions is known as:
a) A rich diet
b) A balanced diet
c) An energy diet
d) A protein-rich diet
Answer: b) A balanced diet
Explanation: A balanced diet contains all the necessary nutrients (carbohydrates, proteins, fats, vitamins, and minerals) in the correct proportions required for healthy body functioning.
Q19. Which food component is tested with iodine solution to check its presence?
a) Protein
b) Fat
c) Starch
d) Vitamin
Answer: c) Starch
Explanation: Starch can be tested in food items by using iodine solution. If starch is present, the iodine solution will change color to blue-black.
Q20. The condition caused by insufficient dietary intake of vitamin C is known as:
a) Night blindness
b) Rickets
c) Scurvy
d) Pellagra
Answer: c) Scurvy
Explanation: Scurvy is caused by a deficiency of vitamin C and is characterized by symptoms like bleeding gums and bruising.
Q21. Which of the following is a water-soluble vitamin?
a) Vitamin A
b) Vitamin B
c) Vitamin D
d) Vitamin K
Answer: b) Vitamin B
Explanation: Vitamin B is water-soluble, meaning it dissolves in water and is not stored in the body, requiring daily intake through diet.
Q22. A deficiency of which mineral can lead to goiter?
a) Calcium
b) Iodine
c) Iron
d) Zinc
Answer: b) Iodine
Explanation: Iodine deficiency can lead to goiter, a condition characterized by the enlargement of the thyroid gland.
Q23. What role do fats play in the human body?
a) They are primarily used for energy storage.
b) They are important for muscle contraction.
c) They aid in the synthesis of proteins.
d) They are essential for transporting water-soluble vitamins.
Answer: a) They are primarily used for energy storage.
Explanation: Fats play a critical role in storing energy in the body, insulating body organs against shock, maintaining cell membranes, and providing a reserve energy source.
Q24. “Roughage” in the diet is important for:
a) providing energy.
b) bodybuilding.
c) helping in the digestion process.
d) synthesis of vitamins.
Answer: c) helping in the digestion process.
Explanation: Roughage, or dietary fiber, does not provide nutrients but is important for the digestion process, preventing constipation by adding bulk to the diet.
Q25. Which of the following is a symptom of iron deficiency anemia?
a) Bleeding gums
b) Swollen legs
c) Fatigue and weakness
d) Night blindness
Answer: c) Fatigue and weakness
Explanation: Iron deficiency anemia is characterized by fatigue and weakness due to insufficient hemoglobin levels in the blood, which is necessary for oxygen transport.
Q26. What is the primary benefit of consuming food items rich in calcium?
a) Enhancing muscle contraction
b) Improving vision in dim light
c) Strengthening bones and teeth
d) Boosting the immune system
Answer: c) Strengthening bones and teeth
Explanation: Calcium is essential for the development and maintenance of strong bones and teeth, as well as for muscle function and nerve signaling.
Q27. Foods rich in which vitamin can help improve night vision?
a) Vitamin A
b) Vitamin B12
c) Vitamin C
d) Vitamin D
Answer: a) Vitamin A
Explanation: Vitamin A plays a crucial role in maintaining healthy vision, especially in low-light conditions, and is essential for eye health.
Q28. The process of breaking down food into nutrients that the body can absorb is known as:
a) Metabolism
b) Digestion
c) Respiration
d) Circulation
Answer: b) Digestion
Explanation: Digestion is the process by which food is broken down into smaller components that can be absorbed and utilized by the body for energy and growth.
Q29. Which of the following nutrients is NOT primarily obtained from plant-based foods?
a) Dietary fibers
b) Proteins
c) Vitamins
d) Cholesterol
Answer: d) Cholesterol
Explanation: Cholesterol is a type of fat that is primarily found in animal-based foods, such as meat, dairy, and eggs, and is not present in plant-based foods.
Q30. A diet lacking in vitamin D can lead to:
a) Scurvy
b) Pellagra
c) Rickets in children
d) Beriberi
Answer: c) Rickets in children
Explanation: Vitamin D deficiency can lead to rickets in children, a condition that results in soft, weak bones that can lead to skeletal deformities.