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1 BIOLOGY MCQS

Which vitamin is also known as Pantothenic Acid?

  • Vitamin B-1
  • Vitamin B-2
  • Vitamin B-3
  • Vitamin B-5
Correct Answer: D. Vitamin B-5

Detailed Explanation

Pantothenic Acid, commonly known as Vitamin B-5, is a water-soluble vitamin that plays a crucial role in energy metabolism and cellular function. It is an essential component in the synthesis of coenzyme A (CoA), which is involved in the breakdown of carbohydrates, proteins, and fats to produce energy. CoA is also critical in the synthesis of fatty acids, cholesterol, and steroid hormones.


Vitamin B-5 is found in a wide variety of foods, which is why deficiency is rare. Rich sources include whole grains, eggs, meat, legumes, mushrooms, and green leafy vegetables. A deficiency of Vitamin B-5 may lead to fatigue, irritability, numbness in hands and feet, and digestive disturbances, highlighting its role in energy production and nervous system health.


It is important to distinguish Pantothenic Acid (Vitamin B-5) from other B-complex vitamins:




  • Vitamin B-1 (Thiamine): Supports carbohydrate metabolism and nerve function.




  • Vitamin B-2 (Riboflavin): Important for energy metabolism and redox reactions.




  • Vitamin B-3 (Niacin): Plays a role in DNA repair and energy production.




Understanding Vitamin B-5 is fundamental in biology and nutrition, as it illustrates how vitamins act as coenzymes to maintain metabolism, hormone synthesis, and overall health. Knowledge of Pantothenic Acid helps students appreciate the connection between dietary nutrients and cellular energy production, emphasizing how B-complex vitamins work together to support physiological functions.


Vitamin B-5 is also widely used in cosmetics and pharmaceuticals because of its role in maintaining healthy skin and promoting tissue repair, making it an essential nutrient for both health and wellness.




 

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