31. Zinc deficiency may cause all except _________.
Correct Answer: D. Osteoporosis
Explanation: Zinc deficiency affects growth, immunity, and healing, while osteoporosis is mainly linked to calcium deficiency.
32. Which mineral helps maintain body-water balance and nerve function?
Correct Answer: A. Sodium
Explanation: Sodium regulates fluid balance and is essential for nerve impulse transmission.
33. Enlargement of the thyroid gland (goitre) occurs due to deficiency of ______.
Correct Answer: B. Iodine
Explanation: Iodine deficiency leads to goitre due to impaired thyroid hormone production.
34. Bone and teeth formation, acid–base balance maintenance, and prevention of calcium loss are related to _________.
Correct Answer: A. Phosphorus
Explanation: Phosphorus works with calcium to build bones and helps maintain acid–base balance.
35. Anaemia can be caused by deficiency of all except _______.
Correct Answer: D. Zinc
Explanation: Iron and copper deficiencies can cause anaemia, while zinc is not directly responsible.
36. Which mineral is mainly needed for decay-resistant teeth?
Correct Answer: B. Fluorine
Explanation: Fluorine strengthens enamel and protects teeth from decay.
37. Which mineral is important for nerve transmission and blood clotting?
Correct Answer: C. Calcium
Explanation: Calcium is essential for nerve signals and plays a key role in blood clotting.
38. Which mineral aids in energy metabolism?
Correct Answer: D. Iron
Explanation: Iron helps transport oxygen, which is vital for energy production in cells.
39. Which deficiency is very rare?
Correct Answer: A. Chlorine deficiency
Explanation: Chlorine is commonly consumed through salt, making its deficiency very rare.
40. Deficiency of _____ impairs bone and nervous tissue development.
Correct Answer: C. Copper
Explanation: Copper is essential for proper development of bones and the nervous system.
41. Which mineral is responsible for acid–base balance and liver function?
Correct Answer: A. Sulphur
Explanation: Sulphur plays a role in acid–base balance, liver detoxification, and amino acid formation.
42. Reduced appetite, muscle cramps, and mental apathy are deficiency signs of _______.
Correct Answer: B. Sodium
Explanation: Sodium deficiency affects appetite, muscle function, nerve impulses, and mental alertness.
43. Which mineral is mainly required for nerve transmission, enzyme activation, and protein synthesis?
Correct Answer: B. Magnesium
Explanation: Magnesium is essential for nerve transmission, enzyme activity, and protein synthesis.
44. Which nutrient category includes copper, fluorine, iodine, iron, selenium, and zinc?
Correct Answer: C. Trace elements
Explanation: These minerals are required in very small amounts and are classified as trace elements.
45. Major minerals are required by the body in ____.
Correct Answer: A. Large quantities
Explanation: Major minerals like calcium and potassium are needed in larger amounts compared to trace elements.
46. Which mineral is a component of many enzymes related to digestion and cell repair?
Correct Answer: D. Zinc
Explanation: Zinc activates many enzymes involved in digestion, metabolism, and tissue repair.
47. Which mineral maintains bone structure and helps form healthy teeth?
Correct Answer: B. Fluorine
Explanation: Fluorine strengthens bones and tooth enamel, protecting against decay.
48. Growth failure, small sex glands, and delayed wound healing indicate deficiency of ______.
Correct Answer: C. Zinc
Explanation: Zinc deficiency affects growth, sexual development, and healing processes.
49. Enlargement of the thyroid gland is directly linked to deficiency of _______.
Correct Answer: D. Iodine
Explanation: Iodine deficiency causes goitre due to reduced thyroid hormone production.
50. The mineral that maintains nerve transmission and fluid balance is _______.
Correct Answer: B. Potassium
Explanation: Potassium is essential for nerve impulses, muscle contraction, and maintaining fluid balance.
51. Anaemia is a common deficiency symptom of all except _________.
Correct Answer: D. Fluorine
Explanation: Fluorine is mainly important for teeth and bones; its deficiency does not cause anaemia.
52. Which mineral helps maintain acid–base balance and body-water balance?
Correct Answer: A. Sodium
Explanation: Sodium regulates both fluid balance and acid–base balance in the body.
53. Deficiency of _____ may cause convulsions.
Correct Answer: B. Calcium
Explanation: Calcium is essential for nerve and muscle function; deficiency may lead to convulsions.
54. The mineral that regulates blood clotting is _______.
Correct Answer: B. Calcium
Explanation: Calcium is necessary for the blood clotting process and proper functioning of clotting factors.
55. Nervous tissue development is impaired when which mineral is lacking?
Correct Answer: A. Copper
Explanation: Copper is essential for brain development and nervous tissue formation.
56. The mineral required for blood clotting and bone formation is _______.
Correct Answer: C. Calcium
Explanation: Calcium plays a key role in both bone formation and blood clotting.
57. Which mineral is needed for haemoglobin formation in the blood?
Correct Answer: C. Iron
Explanation: Iron is essential for haemoglobin, which carries oxygen in the blood.
58. Fluorine deficiency leads to _________.
Correct Answer: B. Tooth decay
Explanation: Fluorine strengthens tooth enamel; its deficiency increases risk of dental decay.
59. The mineral component of thyroid hormone is _______.
Correct Answer: D. Iodine
Explanation: Iodine is essential for the production of thyroid hormones.
60. Which mineral helps maintain acid–base balance and fluid balance in the body?
Correct Answer: C. Potassium
Explanation: Potassium is essential for maintaining fluid balance, acid–base balance, and nerve function.
61. Magnesium is required for enzyme activation and ________ synthesis.
Correct Answer: C. Protein
Explanation: Magnesium is a major mineral that activates many enzymes and plays an important role in protein synthesis.
62. The trace element that prevents the breakdown of fats is _______.
Correct Answer: C. Selenium
Explanation: Selenium is a trace mineral with antioxidant properties that prevents oxidation and breakdown of fats.
63. Zinc deficiency leads to delayed _______.
Correct Answer: D. Wound healing
Explanation: Zinc is a trace mineral essential for cell division and tissue repair. Its deficiency delays wound healing.
64. Which mineral is involved in red blood cell formation?
Correct Answer: D. Copper
Explanation: Copper is a trace mineral that helps in iron metabolism and red blood cell formation.
65. Which mineral helps regulate fluid between cells?
Correct Answer: A. Chlorine
Explanation: Chlorine (chloride) maintains fluid balance between cells and helps regulate acid–base balance.
66. Loss of calcium is a deficiency symptom of _______.
Correct Answer: B. Phosphorus
Explanation: Phosphorus works with calcium in bone formation. Its deficiency causes calcium loss from bones.
67. The mineral required for decay-resistant teeth is ______.
Correct Answer: A. Fluorine
Explanation: Fluorine strengthens tooth enamel and protects teeth from decay.
68. A very rare deficiency is seen for the mineral __________.
Correct Answer: C. Chlorine
Explanation: Chlorine deficiency is rare because it is commonly consumed as sodium chloride (table salt).
69. Weakness and loss of calcium are symptoms of deficiency of __________.
Correct Answer: D. Phosphorus
Explanation: Phosphorus deficiency leads to muscle weakness and loss of calcium from bones.
70. Enlargement of the thyroid gland (goitre) occurs due to lack of ____________.
Correct Answer: D. Iodine
Explanation: Iodine is required for thyroid hormone synthesis. Its deficiency causes goitre.