B Vitamins

Which of the following vitamins provides the coenzyme for reduction reactions in fatty acid synthesis?

• a) Folate

• b) Niacin

• c) Riboflavin

• d) Thiamin

Which of the following vitamins provides the coenzyme for oxidative decarboxylation of pyruvate?

• a) Folate

• b) Niacin

• c) Riboflavin

• d) Thiamin

Which of the following vitamins provides the coenzyme for carboxylation reactions?

• a) Biotin

• b) Niacin

• c) Riboflavin

• d) Thiamin

Which of the following vitamins provides the cofactor for hydroxylation reactions in collagen synthesis?

• a) Biotin

• b) Niacin

• c) Riboflavin

• d) vitamin C

Which of the following vitamins deficiency causes microcytic hypochromic anemia ?

• a) Biotin

• b) Niacin

• c) Pyridoxine

• d) Thiamin

Which of the following vitamins is involved in one-carbon metabolism?

• a) Folate

• b) Niacin

• c) Riboflavin

• d) Thiamin

Which of the following vitamins is involved in transamination of amino acids?

• a) Folate

• b) Niacin

• c) Riboflavin

• d) Vitamin B6

Deficiency of which of the following vitamins results in megaloblastic anaemia?

• a) Folate

• b) Niacin

• c) Riboflavin

• d) Thiamin

Which of the following is a function of vitamin B12?

• a) Synthesis of TMP (thymidine monophosphate)

• b) Decarboxylation of amino acids to form amine neurotransmitters

• c) synthesis of methionine from homocysteine

• d) Carboxylation of pyruvate to oxaloacetate

Which of the following is a function of biotin?

• a) Synthesis of TMP (thymidine monophosphate)

• b) Decarboxylation of amino acids to form amine neurotransmitters

• c) Synthesis of methionine from homocysteine

• d) Carboxylation of pyruvate to oxaloacetate