3
15. The precursor of CoA is
(A) Riboflavin
(B) Pyridoxamine
(C) Thiamin (D) Pantothenate
16. ‘Burning foot syndrome’ has been ascribed to the deficiency of
(A) Pantothenic acid (B) Thiamin (C) Cobalamin
(D) Pyridoxine
17. ‘Xanthurenic acid index’ is a reliable criterion for the deficiency of the vitamin
(A) Pyridoxal (B) Thiamin (C) Pantothenic acid (D) Cobalamin
18. Biotin is a coenzyme of the enzyme
(A) Carboxylase
(B) Hydroxylase
(C) Decarboxylase
(D) Deaminase
19. Folate deficiency causes
(A) Microcytic anemia
(B) Hemolytic anemia
(C) Iron deficiency anemia
(D) Megaloblastic anemia
20. Niacin can be synthesised in human beings from
(A) Histidine (B) Phenylalanine
(C) Tyrosine (D) Tryptophan
21. Pantothenic acid contains an amino acid which is
(A) Aspartic acid
(B) Glutamic acid
(C)
β
-Alanine
(D)
β
-Aminoisobutyric acid
22. Coenzyme A contains a nitrogenous base which is
(A) Adenine (B) Guanine (C) Choline (D) Ethanolamine
23 . Pyridoxal phosphate is a coenzyme for