- Which of the following is a water-soluble vitamin?
- A) Vitamin A
- B) Vitamin D
- C) Vitamin C
- D) Vitamin E
Answer: C) Vitamin C
- Which vitamin is necessary for the absorption of calcium?
- A) Vitamin B12
- B) Vitamin D
- C) Vitamin A
- D) Vitamin C
Answer: B) Vitamin D
- What is the function of Vitamin B1 (Thiamine)?
- A) Energy production
- B) Bone formation
- C) Collagen synthesis
- D) Vision health
Answer: A) Energy production
- Which vitamin deficiency causes scurvy?
- A) Vitamin A
- B) Vitamin D
- C) Vitamin C
- D) Vitamin K
Answer: C) Vitamin C
- Which of the following vitamins is essential for vision?
- A) Vitamin A
- B) Vitamin B1
- C) Vitamin D
- D) Vitamin E
Answer: A) Vitamin A
- Which vitamin is involved in blood clotting?
- A) Vitamin A
- B) Vitamin D
- C) Vitamin K
- D) Vitamin C
Answer: C) Vitamin K
- Which coenzyme is derived from Vitamin B2 (Riboflavin)?
- A) NAD+
- B) Coenzyme A
- C) FAD
- D) Biotin
Answer: C) FAD
- What is the role of coenzymes in metabolic reactions?
- A) They act as enzymes
- B) They enhance enzyme activity
- C) They store energy
- D) They provide structural support
Answer: B) They enhance enzyme activity
- Which of the following vitamins is a coenzyme for fatty acid metabolism?
- A) Vitamin A
- B) Vitamin B7 (Biotin)
- C) Vitamin B1 (Thiamine)
- D) Vitamin C
Answer: B) Vitamin B7 (Biotin)
- Which vitamin is needed for the synthesis of coenzyme A?
- A) Vitamin B5 (Pantothenic Acid)
- B) Vitamin B2 (Riboflavin)
- C) Vitamin B6 (Pyridoxine)
- D) Vitamin A
Answer: A) Vitamin B5 (Pantothenic Acid)
- Which of the following is a fat-soluble vitamin?
- A) Vitamin B1
- B) Vitamin B12
- C) Vitamin E
- D) Vitamin C
Answer: C) Vitamin E
- Which coenzyme is involved in the transfer of carbon dioxide during metabolism?
- A) Coenzyme A
- B) Biotin
- C) NAD+
- D) FAD
Answer: B) Biotin
- A deficiency in which vitamin leads to pellagra?
- A) Vitamin B3 (Niacin)
- B) Vitamin B12
- C) Vitamin C
- D) Vitamin A
Answer: A) Vitamin B3 (Niacin)
- Which coenzyme is involved in oxidative phosphorylation in mitochondria?
- A) NAD+
- B) Coenzyme A
- C) FAD
- D) Biotin
Answer: A) NAD+
- Which of the following vitamins is a precursor to the coenzyme thiamine pyrophosphate (TPP)?
- A) Vitamin B6
- B) Vitamin B1 (Thiamine)
- C) Vitamin C
- D) Vitamin B2
Answer: B) Vitamin B1 (Thiamine)
- Which vitamin helps in the conversion of homocysteine to methionine?
- A) Vitamin B12
- B) Vitamin B6
- C) Vitamin A
- D) Vitamin D
Answer: A) Vitamin B12
- Which of the following vitamins is important for the synthesis of collagen?
- A) Vitamin A
- B) Vitamin C
- C) Vitamin E
- D) Vitamin K
Answer: B) Vitamin C
- Which of the following vitamins is necessary for the conversion of pyruvate to acetyl-CoA in cellular metabolism?
- A) Vitamin B1 (Thiamine)
- B) Vitamin B3 (Niacin)
- C) Vitamin B6
- D) Vitamin B5 (Pantothenic Acid)
Answer: A) Vitamin B1 (Thiamine)
- Which coenzyme is derived from Vitamin B3 (Niacin)?
- A) NAD+
- B) FAD
- C) Coenzyme A
- D) Biotin
Answer: A) NAD+
- Which vitamin is essential for the proper functioning of the immune system and skin health?
- A) Vitamin A
- B) Vitamin C
- C) Vitamin D
- D) Vitamin E
Answer: B) Vitamin C
- Which vitamin is important for the formation of red blood cells?
- A) Vitamin A
- B) Vitamin B9 (Folic Acid)
- C) Vitamin D
- D) Vitamin B12
Answer: B) Vitamin B9 (Folic Acid)
- Which coenzyme is involved in the metabolism of carbohydrates, fats, and proteins?
- A) Coenzyme A
- B) NADP+
- C) ATP
- D) NADH
Answer: A) Coenzyme A
- What vitamin is associated with the production of rhodopsin in the retina?
- A) Vitamin B6
- B) Vitamin A
- C) Vitamin D
- D) Vitamin K
Answer: B) Vitamin A
- Which of the following vitamins is essential for normal nerve function?
- A) Vitamin B12
- B) Vitamin B6
- C) Vitamin D
- D) Vitamin C
Answer: A) Vitamin B12
- Which vitamin helps in the conversion of carbohydrates into energy?
- A) Vitamin B1 (Thiamine)
- B) Vitamin B3 (Niacin)
- C) Vitamin B12
- D) Vitamin A
Answer: A) Vitamin B1 (Thiamine)
- Which vitamin is important for wound healing and immune function?
- A) Vitamin A
- B) Vitamin B12
- C) Vitamin C
- D) Vitamin E
Answer: C) Vitamin C
- Which coenzyme is involved in the conversion of fatty acids to acetyl-CoA?
- A) Coenzyme A
- B) NAD+
- C) FAD
- D) ATP
Answer: A) Coenzyme A
- A deficiency in which vitamin leads to a condition known as beriberi?
- A) Vitamin B1 (Thiamine)
- B) Vitamin B2 (Riboflavin)
- C) Vitamin B6 (Pyridoxine)
- D) Vitamin B12
Answer: A) Vitamin B1 (Thiamine)
- Which vitamin is primarily involved in antioxidant protection of cells?
- A) Vitamin A
- B) Vitamin D
- C) Vitamin E
- D) Vitamin K
Answer: C) Vitamin E
- Which vitamin is important for the regulation of calcium and phosphorus in the body?
- A) Vitamin D
- B) Vitamin A
- C) Vitamin B12
- D) Vitamin C
Answer: A) Vitamin D
These MCQs cover a broad range of topics related to vitamins and coenzymes, their role in metabolism, and their importance in maintaining health. They are suitable for students and individuals studying biochemistry or nutrition.
