41. Muscular and nervous disorders are due to lack of Vitamin ____.
Correct Answer: D. Vitamin E
Explanation: Vitamin E is a fat-soluble antioxidant essential for muscle and nerve function. Its deficiency affects muscles and the nervous system, causing related disorders.
42. Vitamin K is also known as _______.
Correct Answer: C. Manadione
Explanation: Manadione is the chemical name of Vitamin K, a fat-soluble vitamin important for blood coagulation.
43. Sources of Vitamin K include _____.
Correct Answer: C. Green leafy vegetables and synthesis by large intestinal bacteria
Explanation: Vitamin K is found in green leafy vegetables and is also synthesized by friendly bacteria in the large intestine.
44. The main health benefit of Vitamin K is _____.
Correct Answer: C. Blood clotting
Explanation: Vitamin K is essential for the synthesis of clotting factors, making it crucial for normal blood clotting.
45. Deficiency of Vitamin K results in _____.
Correct Answer: B. Uncontrolled bleeding
Explanation: Vitamin K deficiency prevents proper blood clotting, leading to uncontrolled or excessive bleeding.
46. High dosage of Vitamin K may be toxic especially in _____.
Correct Answer: A. Infants
Explanation: Vitamin K in excess can be harmful, particularly to infants, due to their sensitive metabolism.
47. Which vitamin is produced by the friendly bacteria living in the large intestine?
Correct Answer: A. Vitamin K
Explanation: Friendly bacteria in the large intestine synthesize Vitamin K, contributing to the body’s requirement.
48. Which vitamin helps in clotting of blood?
Correct Answer: A. Vitamin K
Explanation: Vitamin K is required for the formation of clotting factors that help stop bleeding.
49. Vitamin C is _____.
Correct Answer: C. Water-soluble
Explanation: Vitamin C is a water-soluble vitamin, meaning it dissolves in water and is not stored in the body.
50. Vitamin C is also known as ________.
Correct Answer: B. Ascorbic acid
Explanation: Ascorbic acid is the chemical name of Vitamin C, which is important for immunity and wound healing.
51. Vitamin C is found in ________.
Correct Answer: A. Guava, citrus fruits, and vegetables
Explanation: Vitamin C is abundant in guava, citrus fruits like oranges and lemons, and many fresh vegetables.
52. Thiamine is also known as ________.
Correct Answer: A. Vitamin B1
Explanation: Thiamine is the chemical name of Vitamin B1, which is essential for energy metabolism and nerve function.
53. Sailor’s disease is caused by the deficiency of _________.
Correct Answer: C. Vitamin C
Explanation: Sailor’s disease refers to scurvy, which is caused by a deficiency of Vitamin C due to lack of fresh fruits.
54. Deficiency of Vitamin C results in ___________.
Correct Answer: B. Scurvy
Explanation: Scurvy is caused by Vitamin C deficiency and affects gums, immunity, and wound healing.
55. The vitamin that prevents skin diseases is ________.
Correct Answer: B. Vitamin B
Explanation: Vitamin B-complex helps maintain healthy skin and prevents several skin disorders.
56. The recommended intake of Vitamin A for a 13–15 year old boy is:
Correct Answer: D. 5000 I.U.
Explanation: Growing adolescent boys require about 5000 I.U. of Vitamin A daily for vision, growth, and immunity.
57. Chili contains a high amount of ________.
Correct Answer: C. Vitamin C
Explanation: Green chilies are an excellent source of Vitamin C.
58. Good sources of Vitamin B-complex are:
Correct Answer: A. Seeds, seafood, vegetables, and fruits
Explanation: Vitamin B-complex is widely present in seeds, seafood, vegetables, and fruits.
59. Which vitamin strengthens the immune system?
Correct Answer: C. Vitamin C
Explanation: Vitamin C boosts immunity and helps the body fight infections.
60. Which vitamin is essential for growth and repair of tissues?
Correct Answer: C. Vitamin C
Explanation: Vitamin C is essential for tissue growth, repair, wound healing, and collagen formation.
61. Which vitamin helps in collagen production?
Correct Answer: C. Vitamin C
Explanation: Collagen is a structural protein that maintains skin, blood vessels, bones, and connective tissues. Vitamin C is essential for collagen synthesis and tissue repair.
62. Niacin is also known as ____.
Correct Answer: B. Vitamin B3
Explanation: Niacin is a form of Vitamin B3, which helps in energy metabolism, digestion, and maintaining healthy skin and nerves.
63. The vitamin that controls browning in fruits with the help of enzymes is ________.
Correct Answer: C. Vitamin C
Explanation: Browning in fruits is caused by enzymatic oxidation. Vitamin C acts as an antioxidant and prevents this browning process.
64. Deficiency of vitamin ____ can cause many diseases.
Correct Answer: A. B
Explanation: Vitamin B-complex consists of several vitamins. Its deficiency can cause multiple diseases affecting skin, nerves, blood, and metabolism.
65. Camu camu is a good source of ________.
Correct Answer: C. Vitamin C
Explanation: Camu camu is a tropical fruit known for its extremely high Vitamin C content, which boosts immunity.
66. The vitamin useful for a healthy nervous system is _____.
Correct Answer: B. Vitamin B1
Explanation: Vitamin B1 (Thiamine) is essential for proper nerve function and transmission of nerve impulses.
67. The vitamin that prevents Beriberi is _____.
Correct Answer: B. Vitamin B
Explanation: Beriberi is a disease caused by deficiency of Vitamin B1 (Thiamine), affecting nerves and the heart.
68. Guava has the maximum amount of Vitamin ________.
Correct Answer: C. Vitamin C
Explanation: Guava is one of the richest natural sources of Vitamin C, essential for immunity and tissue repair.
69. Riboflavin is also known as _______.
Correct Answer: B. Vitamin B2
Explanation: Riboflavin is Vitamin B2, which helps in energy production and maintains healthy skin and eyes.
70. Which vitamin is called the anti-aging agent?
Correct Answer: C. Vitamin C
Explanation: Vitamin C is called an anti-aging vitamin because it prevents oxidative damage and supports collagen formation.
71. Nicotinic acid is also known as ______.
Correct Answer: A. Vitamin B3
Explanation: Nicotinic acid is one form of Vitamin B3, which helps in energy metabolism and maintains healthy skin and nerves.
72. Pantothenic acid is also known as _______.
Correct Answer: B. Vitamin B5
Explanation: Pantothenic acid is Vitamin B5, which plays an important role in energy production and synthesis of hormones.
73. Pyridoxine is also known as ________.
Correct Answer: B. Vitamin B6
Explanation: Pyridoxine is the chemical name of Vitamin B6, which is essential for protein metabolism and nervous system health.
74. Biotin is also known as ________.
Correct Answer: C. Vitamin B7
Explanation: Biotin is Vitamin B7, important for healthy hair, skin, nails, and metabolism of fats and carbohydrates.
75. Cobalamin is also known as _________.
Correct Answer: D. Vitamin B12
Explanation: Cobalamin is Vitamin B12, required for red blood cell formation and proper nervous system function.
76. The chemical name of Vitamin B9 is ________.
Correct Answer: D. Folic acid
Explanation: Vitamin B9 is called folic acid, which is vital for DNA synthesis and cell division.
77. Deficiency of Vitamin B1 results in __________.
Correct Answer: C. Beriberi
Explanation: Beriberi is a disease caused by deficiency of Thiamine (Vitamin B1), affecting nerves and the heart.
78. Deficiency of Vitamin B9 results in ___________.
Correct Answer: B. Anemia and birth defects
Explanation: Vitamin B9 (Folic acid) deficiency leads to anemia and serious birth defects due to impaired cell division.
79. Vitamin B9 is very useful for _________.
Correct Answer: C. Pregnant women
Explanation: Vitamin B9 is crucial for pregnant women as it supports fetal growth and prevents neural tube defects.
80. Deficiency of Vitamin B6 results in _______.
Correct Answer: B. Kidney stones
Explanation: Vitamin B6 deficiency can cause kidney stone formation due to impaired amino acid metabolism.
81. Deficiency of Vitamin B7 results in ______.
Correct Answer: C. Depression
Explanation: Vitamin B7, also called Biotin, is important for metabolism and mental health. Its deficiency can affect brain function and may lead to depression.
82. Deficiency of Vitamin B3 results in ______.
Correct Answer: C. Pellagra
Explanation: Vitamin B3 (Niacin) deficiency causes Pellagra, a disease characterized by dermatitis, diarrhea, and dementia.
83. Which vitamin present in milk in small amounts acts as an antioxidant?
Correct Answer: D. Vitamin E
Explanation: Vitamin E is an antioxidant that protects cells from oxidative damage. Milk contains small amounts of Vitamin E.
84. Milk is a good source of almost all vitamins except ______.
Correct Answer: B. Vitamin C
Explanation: Milk lacks sufficient Vitamin C, which is a water-soluble vitamin mainly found in fruits and vegetables.
85. The process of adding vitamins to milk is called ______.
Correct Answer: D. Fortification
Explanation: Fortification is the process of adding essential vitamins and minerals to foods like milk to improve nutritional value.
86. Which of the following vitamins acts as a hormone precursor?
Correct Answer: D. Vitamin D
Explanation: Vitamin D acts as a hormone precursor and regulates calcium and phosphorus metabolism in the body.
87. Deficiency of niacin results in ________.
Correct Answer: A. Pellagra
Explanation: Niacin is Vitamin B3. Its deficiency causes Pellagra, which affects skin, digestion, and mental health.
88. Which of the following vitamins can act as both a visual pigment and a hormone at the same time?
Correct Answer: B. Retinal
Explanation: Retinal, derived from Vitamin A, acts as a visual pigment in the eye and also functions like a hormone in gene regulation.
89. Beri-beri is a condition caused by lack of ________.
Correct Answer: D. Vitamin B1
Explanation: Beri-beri is caused by deficiency of Vitamin B1 (Thiamine), which is essential for nerve and muscle function.
90. Which of the following foods contains the highest concentration of Vitamin C?
Correct Answer: C. Black currants
Explanation: Vitamin C is a water-soluble vitamin important for immunity. Black currants contain the highest concentration among the given options.