Vitamins And Their Deficiency Diseases (Biology) (Part-I)

Total Questions: 32

11. The deficiency of vitamin ______ causes pernicious anaemia. [S.S.C. Online Graduate Level (T-I) 5.03.2020 (Shift-II)]

Correct Answer: (d) B₁₂
Solution:Pernicious anemia is a type of megaloblastic anemia caused by the inability to absorb vitamin B₁₂ from the gastrointestinal tract. This is usually due to a lack of intrinsic factor, a protein produced in the stomach that is necessary for B₁₂ absorption. Vitamin B₁₂ is essential for DNA synthesis and red blood cell maturation.

12. The yolk (yellow part) of an egg contains more than 90 % of which of the given Vitamins? [S.S.C. Online Constable GD 1.03.2019 (Shift-II)]

Correct Answer: (a) Vitamin B₁₂
Solution:The yolk of an egg contains more than 90% Vitamin B₁₂. The golden part of an egg is much more nutritionally dense. It contains essential nutrients like Vitamin B₆, B₉, B₁₂ A, D, E and K. It is also rich in calcium, magnesium, iron and selenium. The carotenoids present in the yolk helps in improving the vision.

13. Which of the following vitamins contain nitrogen? [S.S.C. Online Graduate Level (T-I) 10.09.2016 (Shift-III)]

Correct Answer: (b) Vitamin B
Solution:Vitamin B contains nitrogen atoms that allow them to participate in regulating metabolism. For example, Vitamin B₃ is a water soluble vitamin containing compound Niacin or Niacinamide, a nitrogen containing vitamin.

14. The commonly used Vitamin B Complex is constituted of how many vitamins? [S.S.C. Online MTS (T-I) 19.08.2019 (Shift-I)]

Correct Answer: (d) 8
Solution:The B-complex vitamins typically refer to a group of eight distinct vitamins that often work together in various metabolic processes. These are:
  1. B₁ (Thiamine)
  2. B₂ (Riboflavin)
  3. B₃ (Niacin)
  4. B₅ (Pantothenic acid)
  5. B₆ (Pyridoxine)
  6. B₇ (Biotin)
  7. B₉ (Folate/Folic acid)
  8. B₁₂ (Cobalamin)

15. Vitamin B Complex consists of how many vitamins? [S.S.C. Online CHSL (T-I) 17.03.2020 (Shift-II)]

Correct Answer: (a) 8
Solution:The B-complex vitamins typically refer to a group of eight distinct vitamins that often work together in various metabolic processes. These are:
  1. B₁ (Thiamine)
  2. B₂ (Riboflavin)
  3. B₃ (Niacin)
  4. B₅ (Pantothenic acid)
  5. B₆ (Pyridoxine)
  6. B₇ (Biotin)
  7. B₉ (Folate/Folic acid)
  8. B₁₂ (Cobalamin)

16. The disease Beri-Beri is caused due to the deficiency of which of the following? [S.S.C. Online CHSL (T-I) 16.01.2017 (Shift-III)]

Correct Answer: (b) Vitamin B₁
Solution:Beriberi is a deficiency of thiamine, more commonly known as vitamin B₁. Your body needs thiamine to break down and digest the foods you eat, to keep your metabolism going, and help your muscles and nervous system do their jobs effectively. Beriberi can affect the cardiovascular system or central nervous system.

17. Dermatitis is a symptom of disease caused by deficiency (incompleteness) of? [S.S.C. JE Mechanical Exam 22.03.2021 (Shift-II)]

Correct Answer: (d) Vitamins
Solution:While dermatitis (skin inflammation) can have various causes, it is a prominent symptom of several vitamin deficiencies, notably:
  • Pellagra: (Niacin/Vitamin B₃ deficiency) characterized by dermatitis.
  • Riboflavin (B₂) deficiency: can cause seborrheic dermatitis.
  • Biotin (B₇) deficiency: can lead to dermatitis.
  • Pyridoxine (B₆) deficiency: can also manifest as dermatitis. Therefore, "Vitamins" is the most appropriate general answer.

18. How many recognised essential vitamins are there as on March 2021? [S.S.C. Online C.H.S.L. (T-I) 6.08.2021 (Shift-II)]

Correct Answer: (c) 13
Solution:There are 13 recognized essential vitamins that the human body needs for proper functioning and cannot synthesize on its own (or in sufficient quantities). These are:
  • Fat-soluble vitamins (4): A, D, E, K
  • Water-soluble vitamins (9): C, and the 8 B vitamins (B₁, B₂, B₃, B₅, B₆, B₇, B₉, B₁₂)

19. Vitamin A is also known as _____ . [S.S.C. Online CHSL (T-I) 18.01.2017 (Shift-I)]

Correct Answer: (c) Retinol
Solution:Vitamin A, also known as retinol, has several important functions. These include helping your body’s natural defence against illness and infection (the immune system) work properly, helping vision in dim light, keeping skin and the lining of some parts of the body, such as the nose, healthy.

20. Deficiency of which of the following vitamins causes Night Blindness? [S.S.C. Online Graduate Level (T-I) 9.03.2020 (Shift-I) S.S.C. Online Stenographer 14.09.2017 (Shift-I) S.S.C. Online MTS (T-I) 18.09.2017 (Shift-III) S.S.C. Online Graduate Level (T-I) 11.06.2019 (Shift-III)]

Correct Answer: (d) Vitamin A
Solution:Night blindness (nyctalopia) is one of the earliest and most common symptoms of Vitamin A deficiency. Vitamin A is crucial for the function of rod cells in the retina, which are responsible for vision in low light conditions.