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Vitamin Deficiencies General Knowledge MCQs

  1. Which vitamin deficiency leads to keratomalacia?
    a. Vitamin B1
    b. Vitamin C
    c. Vitamin A
    d. Vitamin D
    Answer: c
    Vitamin A deficiency can cause keratomalacia, a condition affecting the cornea.
  2. What condition is caused by a deficiency of Vitamin B1?
    a. Pellagra
    b. Rickets
    c. Beriberi
    d. Scurvy
    Answer: c
    Beriberi is caused by a deficiency of Vitamin B1 (Thiamine).
  3. A lack of which vitamin causes cracks at the corners of the mouth (cheilitis)?
    a. Vitamin B2
    b. Vitamin C
    c. Vitamin D
    d. Vitamin E
    Answer: a
    Cheilitis is associated with a deficiency in Vitamin B2 (Riboflavin).
  4. Which vitamin deficiency can lead to Wernicke-Korsakoff syndrome?
    a. Vitamin B1
    b. Vitamin B6
    c. Vitamin B9
    d. Vitamin C
    Answer: a
    Wernicke-Korsakoff syndrome is linked to a Vitamin B1 (Thiamine) deficiency.
  5. What deficiency causes “Black Tongue” in dogs and Pellagra in humans?
    a. Vitamin B2
    b. Vitamin B3
    c. Vitamin B6
    d. Vitamin B7
    Answer: b
    Vitamin B3 (Niacin) deficiency causes Pellagra and similar symptoms in animals.
  6. Which vitamin deficiency results in neural tube defects during pregnancy?
    a. Vitamin B6
    b. Vitamin B9
    c. Vitamin D
    d. Vitamin K
    Answer: b
    Vitamin B9 (Folate) deficiency is linked to neural tube defects in fetuses.
  7. Which vitamin deficiency can cause seborrheic dermatitis?
    a. Vitamin B6
    b. Vitamin B7
    c. Vitamin C
    d. Vitamin E
    Answer: b
    Vitamin B7 (Biotin) deficiency can lead to seborrheic dermatitis.
  8. Which vitamin is crucial for preventing pernicious anemia?
    a. Vitamin B6
    b. Vitamin B9
    c. Vitamin B12
    d. Vitamin C
    Answer: c
    Vitamin B12 deficiency can result in pernicious anemia.
  9. A deficiency of which vitamin causes rickets in children?
    a. Vitamin C
    b. Vitamin D
    c. Vitamin K
    d. Vitamin E
    Answer: b
    Vitamin D deficiency leads to rickets in children.
  10. Which vitamin deficiency is associated with delayed blood clotting?
    a. Vitamin B12
    b. Vitamin D
    c. Vitamin K
    d. Vitamin E
    Answer: c
    Vitamin K deficiency affects blood clotting processes.
  11. Which vitamin deficiency can cause hemolytic anemia in newborns?
    a. Vitamin A
    b. Vitamin E
    c. Vitamin D
    d. Vitamin K
    Answer: b
    Vitamin E deficiency can result in hemolytic anemia, especially in newborns.
  12. What is a major consequence of Vitamin C deficiency?
    a. Osteoporosis
    b. Scurvy
    c. Anemia
    d. Beriberi
    Answer: b
    Vitamin C deficiency causes scurvy, characterized by swollen gums and bleeding.
  13. Which vitamin is essential for calcium absorption in the body?
    a. Vitamin A
    b. Vitamin C
    c. Vitamin D
    d. Vitamin K
    Answer: c
    Vitamin D is essential for calcium absorption and bone health.
  14. A deficiency of which vitamin leads to night blindness?
    a. Vitamin A
    b. Vitamin B2
    c. Vitamin C
    d. Vitamin D
    Answer: a
    Night blindness is caused by a Vitamin A deficiency.
  15. What is the result of a Vitamin B5 deficiency?
    a. Hair loss
    b. Fatigue and numbness
    c. Skin pigmentation issues
    d. Muscle spasms
    Answer: b
    Vitamin B5 (Pantothenic Acid) deficiency can cause fatigue and numbness.