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 nutrient is essential for the production of testosterone, a hormone that plays a crucial role in men's sexual health and muscle development?
-
Vitamin C
-
Vitamin D
-
Zinc
-
Calcium
C
Correct answer
Explanation
Zinc is an essential nutrient for men's health, as it plays a role in the production of testosterone, a hormone that is responsible for sexual function, muscle development, and overall well-being.
Which vitamin is essential for the absorption of calcium, a mineral that is important for bone health?
-
Vitamin A
-
Vitamin C
-
Vitamin D
-
Vitamin E
C
Correct answer
Explanation
Vitamin D is essential for the absorption of calcium, which is a crucial mineral for maintaining strong and healthy bones.
Which nutrient is essential for the synthesis of collagen, a protein that provides structure and support to various tissues in the body?
-
Vitamin A
-
Vitamin C
-
Vitamin E
-
Vitamin K
B
Correct answer
Explanation
Vitamin C is crucial for the synthesis of collagen, a protein that plays a vital role in the structure and support of various tissues in the body.
Which nutrient is crucial for the proper functioning of the immune system?
-
Vitamin A
-
Vitamin C
-
Vitamin D
-
Vitamin E
B
Correct answer
Explanation
Vitamin C is essential for the proper functioning of the immune system, as it helps protect the body against infections and diseases.
Which nutrient is crucial for the proper functioning of the nervous system?
-
Vitamin A
-
Vitamin B12
-
Vitamin C
-
Vitamin D
B
Correct answer
Explanation
Vitamin B12 is essential for the proper functioning of the nervous system, as it helps maintain the health of nerve cells and supports cognitive function.
Which of the following is NOT a macronutrient?
-
Carbohydrates
-
Proteins
-
Fats
-
Vitamins
D
Correct answer
Explanation
Carbohydrates, proteins, and fats are macronutrients, while vitamins are micronutrients.
Which vitamin is necessary for blood clotting?
-
Vitamin A
-
Vitamin C
-
Vitamin K
-
Vitamin D
C
Correct answer
Explanation
Vitamin K is necessary for blood clotting and the synthesis of certain proteins.
Which supplement is commonly used to improve joint health?
-
Glucosamine
-
Creatine
-
Caffeine
-
BCAAs
A
Correct answer
Explanation
Glucosamine is a supplement commonly used to improve joint health and reduce pain associated with osteoarthritis.
Which vitamin is necessary for the absorption of calcium?
-
Vitamin A
-
Vitamin C
-
Vitamin D
-
Vitamin E
C
Correct answer
Explanation
Vitamin D is necessary for the absorption of calcium and the maintenance of bone health.
Which vitamin is essential for calcium absorption and bone health?
-
Vitamin A
-
Vitamin C
-
Vitamin D
-
Vitamin E
C
Correct answer
Explanation
Vitamin D is essential for calcium absorption and bone health.
Which of the following is NOT a macronutrient?
-
Carbohydrates
-
Proteins
-
Fats
-
Vitamins
D
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 of the following is NOT a micronutrient?
-
Vitamins
-
Minerals
-
Carbohydrates
-
Proteins
C
Correct answer
Explanation
Carbohydrates, proteins, and fats are macronutrients, while vitamins and minerals are micronutrients. Micronutrients are essential for various bodily functions, but they are needed in smaller amounts than macronutrients.
Which vitamin is essential for the absorption of calcium?
-
Vitamin A
-
Vitamin C
-
Vitamin D
-
Vitamin E
C
Correct answer
Explanation
Vitamin D is essential for the absorption of calcium, which is a mineral that is necessary for strong bones and teeth.
Which nutrient is particularly important for seniors to consume in adequate amounts to maintain strong bones and prevent osteoporosis?
-
Calcium
-
Iron
-
Vitamin C
-
Protein
A
Correct answer
Explanation
Calcium is essential for maintaining strong bones and preventing osteoporosis, a condition that weakens bones and makes them more prone to fractures.
Which vitamin is crucial for seniors to consume to prevent night blindness and maintain healthy vision?
-
Vitamin A
-
Vitamin B12
-
Vitamin C
-
Vitamin D
A
Correct answer
Explanation
Vitamin A is essential for maintaining healthy vision, including preventing night blindness and age-related macular degeneration.