Biology · 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
C
Correct answer
Explanation
Eggs are a good source of many vitamins, including A, D, E, and B-complex, but they do not contain vitamin C.
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Thiamine
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Riboflavin
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Pyridoxine
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Cabalamin
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vitamin B12
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vitamin D
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vitamin E
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vitamin A
C
Correct answer
Explanation
Anti-sterility vitamin is vitamin E. It is required for the normal reproductive function in rats, hence, called anti-sterility vitamin. In absence of vitamin E, the germinal epithelium of the testes of rat is destoryed. In the female rat, ovulation and fertilization take place, but there is death and resorption of the foetus.
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Riboflavin
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Nicotine
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Cyanocobalamine
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Tocopherol
D
Correct answer
Explanation
Trocopherol, does not belong to vitamin B group tocopherol represents vitamin E which is also known as antisterility vitamin. It is fat soluble vitamin. Other three belong to vitamin B group. Riboflavin is vitamin B2, cyanocobalamine is vitamin B3. These are water soluble vitamins.
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growth of bones
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formation of connective tissue
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treatment of anaemia
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formation of visual pigment
B
Correct answer
Explanation
Vitamin C is needed for the growth and repair of tissues in all parts of your body. It is used to:
1.Form an important protein used to make skin, tendons, ligaments, and blood vessels
- Heal wounds and form scar tissue
3.Repair and maintain cartilage, bones, and teeth
- Aid in the absorption of iron
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Vitamin K
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Vitamin D
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Calcium ions
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Fibrinogen
B
Correct answer
Explanation
Vitamin K, calcium ions and fibrinogen play a significant role in blood coagulation, but vitamin D has no role in blood coagulation.
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vitamin A
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vitamin B
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vitamin C
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vitamin D
A
Correct answer
Explanation
Vitamin A is a group of compounds that plays an important role in vision, bone growth, reproduction, cell division and cell differentiation (in which a cell becomes part of the brain, muscle, lungs, blood or other specialized tissue). Vitamin A helps regulate the immune system, which helps prevent or fight off infections by making white blood cells that destroy harmful bacteria and virus.
Vitamin A may also help lymphocytes (a type of white blood cell) fight infections more effectively.
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vitamin A
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vitamin K
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calcium ions
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vitamin B
B
Correct answer
Explanation
Blood clotting cannot take place in the absence of vitamin k. It is an important factor in clotting cascade.
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proteins
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vitamins and minerals
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carbohydrates and fats
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All of the above
D
Correct answer
Explanation
From nutritional point of view, our food must contain carbohydrates, fats, proteins, vitamins and minerals.
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Folic acid
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Biotin
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Riboflavin
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Niacin
C
Correct answer
Explanation
Riboflavin is essential for normal vision.Riboflavin is also needed to help the body change vitamin B6 and folate into forms it can use. It is also important for growth and red blood cell production.
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Vitamin C
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Vitamin D
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Vitamin A
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Vitamin K
A
Correct answer
Explanation
Vitamin C is a nutrient, which can not tolerate high temperature and gets destroyed on over heating.
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Calcium
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Vitamin D
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Iodine
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Iron
B
Correct answer
Explanation
Calcium, iodine and iron are minerals required by the body; whereas vitamin D is a vitamin and is the odd one out.
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goitre
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anaemia
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scurvy
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rickets
C
Correct answer
Explanation
Deficiency of vitamin D - Rickets
Deficiency of vitamin C - Scurvy
Deficiency of vitamin B - Beri-Beri
So, scurvy is the disease which is prevented by the intake of citrus fruits.
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Carbohydrates, proteins
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Vitamin D, calcium
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Calcium, vitamin C
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Iron, calcium
B
Correct answer
Explanation
Vitamin A is the one which helps in keeping our skin and eyes healthy. Carbohydrates and fats are the energy providing foods and proteins are the basic building blocks of the body. Vitamin D also helps in maintaining the calcium requirements of the body. So, the deficiency of vitamin D and calcium in the body causes bones and tooth decay.
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calcium, rickets
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calcium, anemia
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calcium, goiter
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calcium, scurvy
A
Correct answer
Explanation
Vitamin D maintains the proper functioning of bones and teeth. It also helps our body to use calcium and thus prevents rickets.