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 vitamins is typically fortified in pea milk?
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Vitamin A
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Vitamin B12
-
Vitamin D
-
Vitamin E
C
Correct answer
Explanation
Pea milk is often fortified with Vitamin D, which is essential for bone health and immune function.
Which nutrient is essential for the growth and development of bones and teeth in adolescents?
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Calcium
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Iron
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Vitamin C
-
Vitamin D
A
Correct answer
Explanation
Calcium is crucial for the formation and maintenance of strong bones and teeth. It is especially important during adolescence, when bone growth is rapid.
Which vitamin is essential for the absorption of calcium and bone health?
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Vitamin A
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Vitamin C
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Vitamin D
-
Vitamin E
C
Correct answer
Explanation
Vitamin D is crucial for the absorption of calcium and plays a vital role in bone health. It helps in the formation and maintenance of strong bones.
Which nutrient is essential for the production of red blood cells and the prevention of anemia?
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Calcium
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Iron
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Vitamin C
-
Vitamin D
B
Correct answer
Explanation
Iron is a vital nutrient for the production of red blood cells, which carry oxygen throughout the body. Iron deficiency can lead to anemia, a condition characterized by low levels of red blood cells.
Which nutrient is essential for the proper functioning of the nervous system and brain development?
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Calcium
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Iron
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Vitamin B12
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Vitamin C
C
Correct answer
Explanation
Vitamin B12 is crucial for the proper functioning of the nervous system and plays a vital role in brain development. It is also essential for the production of red blood cells.
Which nutrient is essential for the production of energy and the metabolism of carbohydrates, proteins, and fats?
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Calcium
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Iron
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Vitamin B1
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Vitamin C
C
Correct answer
Explanation
Vitamin B1, also known as thiamine, is crucial for the production of energy and the metabolism of carbohydrates, proteins, and fats. It plays a vital role in cellular function.
Which nutrient is essential for the maintenance of healthy skin, hair, and nails?
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Calcium
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Iron
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Vitamin A
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Vitamin C
C
Correct answer
Explanation
Vitamin A is crucial for the maintenance of healthy skin, hair, and nails. It also plays a vital role in vision and immune function.
Which nutrient is essential for the prevention of neural tube defects in pregnant adolescents?
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Calcium
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Iron
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Vitamin B9
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Vitamin C
C
Correct answer
Explanation
Vitamin B9, also known as folate, is crucial for the prevention of neural tube defects in pregnant adolescents. It is essential for the proper development of the fetus's brain and spinal cord.
What is the primary antioxidant found in green tea?
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Catechins
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Quercetin
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Lycopene
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Lutein
A
Correct answer
Explanation
Green tea contains high levels of catechins, which are powerful antioxidants.
Which of the following vitamins is typically found in significant amounts in sesame milk?
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Vitamin A
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Vitamin B12
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Vitamin C
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Vitamin D
A
Correct answer
Explanation
Sesame milk is a good source of vitamin A, which is important for vision, immune function, and skin health.
Which of the following is NOT a macronutrient essential for the human body?
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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 are carbohydrates, proteins, and fats, which provide the body with energy and building blocks for growth and repair.
Which part of the grain is responsible for producing vitamins?
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Pericarp
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Endosperm
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Scutellum
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Coleoptile
B
Correct answer
Explanation
The endosperm is responsible for producing vitamins. It contains several layers of cells, including the aleurone layer, the starchy endosperm, and the horny endosperm.
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 they do not provide energy.
Which vitamin is essential for blood clotting?
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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 the production of prothrombin, a protein that is necessary for blood clotting. Without adequate vitamin K, blood clotting can be impaired.
Rice milk is a good source of which of the following vitamins?
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Vitamin A
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Vitamin B12
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Vitamin D
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Vitamin E
C
Correct answer
Explanation
Rice milk is fortified with vitamin D, which is important for bone health and immune function.