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 major nutrient group required for poultry nutrition?
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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 not a major nutrient group required for poultry nutrition. The major nutrient groups are carbohydrates, proteins, and fats.
Which vitamin is essential for the prevention of rickets in poultry?
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Vitamin A
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Vitamin D
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Vitamin E
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Vitamin K
B
Correct answer
Explanation
Vitamin D is essential for the prevention of rickets in poultry.
Which of the following is NOT a macronutrient?
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Carbohydrates
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Proteins
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Vitamins
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Fats
C
Correct answer
Explanation
Carbohydrates, proteins, and fats are the three macronutrients that provide the body with energy and building blocks for growth and repair. Vitamins are micronutrients that are essential for various bodily functions but do not provide significant energy.
Which vitamin is responsible for blood clotting and wound healing?
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Vitamin A
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Vitamin C
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Vitamin K
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Vitamin D
C
Correct answer
Explanation
Vitamin K is essential for blood clotting and wound healing. It helps in the production of proteins involved in these processes.
Which vitamin is essential for maintaining healthy vision?
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Vitamin A
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Vitamin C
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Vitamin D
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Vitamin E
A
Correct answer
Explanation
Vitamin A is crucial for maintaining healthy vision, particularly night vision. It helps the retina convert light into electrical signals that are sent to the brain.
Which vitamin is naturally present in milk and essential for bone health?
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Vitamin A
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Vitamin C
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Vitamin D
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Vitamin E
C
Correct answer
Explanation
Vitamin D is naturally present in milk and is essential for bone health. It helps the body absorb calcium and promotes bone mineralization.
What is the process of adding vitamins and minerals to milk to make it more nutritious called?
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Fortification
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Enrichment
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Supplementation
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Augmentation
A
Correct answer
Explanation
Fortification is the process of adding vitamins and minerals to milk to make it more nutritious. This process is often used to ensure that milk meets certain nutritional standards.
Which vitamin is essential for maintaining healthy vision?
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Vitamin A
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Vitamin C
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Vitamin D
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Vitamin E
A
Correct answer
Explanation
Vitamin A, particularly in the form of retinol, plays a crucial role in maintaining healthy vision and preventing night blindness.
What is the nutritional value of Korma?
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High in protein and calcium
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Low in calories and fat
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Rich in vitamins and minerals
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All of the above
D
Correct answer
Explanation
Korma is a good source of protein, calcium, vitamins, and minerals, and can be a healthy option when consumed in moderation.
Which of the following is NOT a macronutrient?
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Carbohydrates
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Proteins
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Vitamins
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Fats
C
Correct answer
Explanation
Carbohydrates, proteins, and fats are the three macronutrients that provide the body with energy and essential nutrients. Vitamins are micronutrients that are required in smaller amounts for various bodily functions.
Which vitamin is essential for the absorption of calcium?
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Vitamin A
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Vitamin C
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Vitamin D
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Vitamin E
C
Correct answer
Explanation
Vitamin D is essential for the absorption of calcium, which is necessary for strong bones and teeth. It also plays a role in immune function and cell growth.
Which vitamin is necessary for the prevention of scurvy?
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Vitamin A
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Vitamin C
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Vitamin D
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Vitamin E
B
Correct answer
Explanation
Vitamin C is essential for the prevention of scurvy, a disease caused by a deficiency of this vitamin. It also plays a role in immune function and collagen synthesis.
Which vitamin is necessary for the prevention of night blindness?
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Vitamin A
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Vitamin C
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Vitamin D
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Vitamin E
A
Correct answer
Explanation
Vitamin A is essential for the prevention of night blindness, a condition that makes it difficult to see in low light. It also plays a role in immune function and skin health.
Which of the following vitamins is commonly found in high concentrations in fruit juices?
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Vitamin A
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Vitamin C
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Vitamin D
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Vitamin E
B
Correct answer
Explanation
Vitamin C (ascorbic acid) is abundant in many fruit juices, particularly citrus juices, and is an essential nutrient for immune function and antioxidant defense.
What is the primary role of ascorbic acid (vitamin C) in fruit juices?
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Sweetening
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Color enhancement
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Antioxidant activity
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Thickening
C
Correct answer
Explanation
Ascorbic acid (vitamin C) acts as an antioxidant in fruit juices, helping to protect them from oxidative damage and maintaining their nutritional value and quality.