Biology ยท General Awareness
Vitamins and Nutrition
1,711 Questions
Review essential concepts of human nutrition, focusing on macro and micronutrients. The questions cover vitamin deficiencies, sources, and their physiological roles such as blood clotting and vision. This material is highly relevant for the general science section of various government exams.
Vitamin sources and functionsMacronutrients for energyBlood coagulation vitaminsDeficiency diseasesNutrient absorption mechanisms
Vitamins and Nutrition Questions
Which of the following is NOT a macronutrient essential for a balanced diet?
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Carbohydrates
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Proteins
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Fats
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Vitamins
D
Correct answer
Explanation
Vitamins are micronutrients, not macronutrients. Macronutrients provide the body with energy and building blocks for growth and repair.
Which nutrient is particularly important for cancer patients undergoing chemotherapy?
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Vitamin C
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Vitamin D
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Iron
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Protein
D
Correct answer
Explanation
Protein is particularly important for cancer patients undergoing chemotherapy, as it helps repair damaged tissues and supports immune function.
Legumes and pulses are a good source of which of the following vitamins?
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Vitamin B1
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Vitamin B6
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Vitamin C
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All of the above
D
Correct answer
Explanation
Legumes and pulses are a good source of vitamin B1, vitamin B6, vitamin C, and other vitamins.
Which of the following is NOT a macronutrient?
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Carbohydrates
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Proteins
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Fats
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Vitamins
D
Correct answer
Explanation
Carbohydrates, proteins, and fats are macronutrients, while vitamins are micronutrients.
Which of the following is a good source of vitamin D?
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Sunlight
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Fatty fish
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Eggs
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Fortified milk
Correct answer
Explanation
Sunlight, fatty fish, eggs, and fortified milk are all good sources of vitamin D.
Which of the following is a good source of vitamin K?
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Leafy green vegetables
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Broccoli
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Brussels sprouts
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Asparagus
Correct answer
Explanation
Leafy green vegetables, broccoli, Brussels sprouts, and asparagus are all good sources of vitamin K.
Which nutrient is particularly important for infants and young children to support their rapid growth and development?
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Calcium
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Iron
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Protein
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Vitamin D
C
Correct answer
Explanation
Protein is essential for tissue growth and repair, and infants and young children have a higher requirement for protein per unit of body weight compared to adults.
Which nutrient is crucial for bone health and is often lacking in the diets of adolescents?
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Calcium
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Iron
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Vitamin C
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Vitamin D
A
Correct answer
Explanation
Calcium is essential for bone growth and maintenance, and adolescents have increased calcium needs due to their rapid bone growth.
What is the primary energy source for the body and should be consumed in moderation?
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Carbohydrates
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Proteins
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Fats
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Vitamins
A
Correct answer
Explanation
Carbohydrates are the primary energy source for the body and should be consumed in moderation, as excessive intake can lead to weight gain and other health issues.
Which nutrient is essential for red blood cell production and oxygen transport in the body?
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Calcium
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Iron
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Vitamin C
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Vitamin D
B
Correct answer
Explanation
Iron is a vital nutrient for red blood cell production and oxygen transport, and its deficiency can lead to anemia.
Which nutrient is particularly important for pregnant women to support the growth and development of the fetus?
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Calcium
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Folate
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Iron
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Vitamin D
B
Correct answer
Explanation
Folate is crucial for the prevention of neural tube defects in the fetus and is recommended for pregnant women to consume in sufficient amounts.
Which nutrient is essential for bone health and is often lacking in the diets of the elderly?
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Calcium
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Iron
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Vitamin C
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Vitamin D
D
Correct answer
Explanation
Vitamin D is crucial for calcium absorption and bone health, and its deficiency is common among the elderly, leading to an increased risk of osteoporosis.
Which nutrient is essential for the proper functioning of the nervous system and is often deficient in the diets of vegans?
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Calcium
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Iron
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Vitamin B12
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Vitamin D
C
Correct answer
Explanation
Vitamin B12 is primarily found in animal products, and vegans need to consume fortified foods or supplements to ensure adequate intake.
Which nutrient is essential for energy production and is often lacking in the diets of athletes?
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Carbohydrates
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Proteins
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Fats
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Vitamins
A
Correct answer
Explanation
Carbohydrates are the primary energy source for the body, and athletes have increased energy needs due to their intense physical activity.
Which nutrient is responsible for building and repairing body tissues?
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Carbohydrates
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Proteins
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Fats
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Vitamins
B
Correct answer
Explanation
Proteins are essential for building and repairing body tissues, including muscles, bones, and skin.