Biology ยท General Awareness
Vitamins and Nutrition
1,549 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 nutrients is essential for infant growth and development?
-
Protein
-
Carbohydrates
-
Fats
-
All of the above
D
Correct answer
Explanation
All of the above nutrients are essential for infant growth and development.
Which vitamin is important for bone health in infants?
-
Vitamin A
-
Vitamin C
-
Vitamin D
-
Vitamin E
C
Correct answer
Explanation
Vitamin D is important for bone health in infants because it helps the body absorb calcium.
Which mineral is important for blood clotting in infants?
-
Iron
-
Calcium
-
Potassium
-
Vitamin K
D
Correct answer
Explanation
Vitamin K is important for blood clotting in infants because it helps the body produce proteins that are necessary for clotting.
Which of the following foods is a good source of vitamin D for infants?
-
Salmon
-
Tuna
-
Eggs
-
All of the above
D
Correct answer
Explanation
All of the above foods are good sources of vitamin D for infants.
Which of the following foods is a good source of vitamin K for infants?
-
Kale
-
Spinach
-
Broccoli
-
All of the above
D
Correct answer
Explanation
All of the above foods are good sources of vitamin K for infants.
Which nutrient is commonly deficient in rice-based diets?
-
Vitamin A
-
Vitamin C
-
Iron
-
Calcium
A
Correct answer
Explanation
Rice-based diets are often deficient in vitamin A, leading to potential health issues such as night blindness and impaired immune function.
Which nutrient is commonly fortified in rice to address deficiencies in certain populations?
-
Vitamin A
-
Vitamin D
-
Iron
-
Calcium
C
Correct answer
Explanation
Rice is often fortified with iron to address iron deficiency, which is a common problem in many rice-consuming regions.
Which vitamin is essential for blood clotting and wound healing?
-
Vitamin A
-
Vitamin C
-
Vitamin K
-
Vitamin D
C
Correct answer
Explanation
Vitamin K is essential for blood clotting and wound healing. It helps in the formation of proteins that are involved in these processes.
Which nutrient is responsible for maintaining healthy bones and teeth?
-
Calcium
-
Phosphorus
-
Vitamin D
-
Vitamin K
A
Correct answer
Explanation
Calcium is essential for maintaining healthy bones and teeth. It helps in the formation and mineralization of bones, and also plays a role in muscle contraction and nerve transmission.
Which nutrient is essential for the absorption of calcium?
-
Vitamin A
-
Vitamin C
-
Vitamin D
-
Vitamin K
C
Correct answer
Explanation
Vitamin D is essential for the absorption of calcium from the intestines. It also plays a role in regulating calcium levels in the blood and maintaining healthy bones.
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 do not provide energy.
Which vitamin is responsible for preventing night blindness?
-
Vitamin A
-
Vitamin C
-
Vitamin D
-
Vitamin E
A
Correct answer
Explanation
Vitamin A is essential for vision, particularly in dim light conditions. It helps the retina convert light into electrical signals that are sent to the brain.
Which vitamin is essential for blood clotting?
-
Vitamin A
-
Vitamin C
-
Vitamin K
-
Vitamin D
C
Correct answer
Explanation
Vitamin K is necessary for the production of proteins involved in blood clotting. Without sufficient vitamin K, blood may not clot properly, leading to excessive bleeding.
What is the primary vitamin found in nuts and seeds?
-
Vitamin A
-
Vitamin C
-
Vitamin E
-
Vitamin K
C
Correct answer
Explanation
Nuts and seeds are rich in vitamin E, which is an antioxidant that helps protect cells from damage.
What is the primary antioxidant found in nuts and seeds?
-
Vitamin A
-
Vitamin C
-
Vitamin E
-
Polyphenols
D
Correct answer
Explanation
Nuts and seeds are rich in polyphenols, which are antioxidants that help protect cells from damage.