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VITAMINS- Part 3
See all quizzes of VITAMINS- Part 3 here:
1. Thiamin is oxidized to thiochrome in
alkaline solution by
(A) Potassium permanganate
(B) Potassium ferricyanide
(C) Potassium chlorate
(D) Potassium dichromate
2. Riboflavin is a coenzyme in the reaction
catalysed by the enzyme
(A) Acyl CoA synthetase
(B) Acyl CoA dehydrogenase
(C) β-Hydroxy acyl CoA
(D) Enoyl CoA dehydrogenase
3. The daily requirement of riboflavin for
adult in mg is
(A) 0–1.0 (B) 1.2–1.7
(C) 2.0–3.5 (D) 4.0–8.0
4. In new born infants phototherapy may
cause hyperbilirubinemia with deficiency
of
(A) Thiamin (B) Riboflavin
(C) Ascorbic acid (D) Pantothenic acid
VITAMINS 115
5. Riboflavin deficiency causes
(A) Cheilosis
(B) Loss of weight
(C) Mental deterioration
(D) Dermatitis
6. Magenta tongue is found in the deficiency
of the vitamin
(A) Riboflavin (B) Thiamin
(C) Nicotinic acid (D) Pyridoxine
7. Corneal vascularisation is found in deficiency
of the vitamin:
(A) B1 (B) B2
(C) B3 (D) B6
8. The pellagra preventive factor is
(A) Riboflavin (B) Pantothenic acid
(C) Niacin (D) Pyridoxine
69. Pellagra is caused due to the deficiency
of
(A) Ascorbic acid (B) Pantothenic acid
(C) Pyridoxine (D) Niacin
10. Niacin or nicotinic acid is a monocarboxylic
acid derivative of
(A) Pyridine (B) Pyrimidine
(C) Flavin (D) Adenine
11. Niacin is synthesized in the body from
(A) Tryptophan (B) Tyrosine
(C) Glutamate (D) Aspartate
12. The proteins present in maize are deficient
in
(A) Lysine (B) Threonine
(C) Tryptophan (D) Tyrosine
13. Niacin is present in maize in the form of
(A) Niatin (B) Nicotin
(C) Niacytin (D) Nicyn
14. In the body 1 mg of niacin can be
produced from
(A) 60 mg of pyridoxine
(B) 60 mg of tryptophan
(C) 30 mg of tryptophan
(D) 30 mg of pantothenic acid
15. Pellagra occurs in population dependent
on
(A) Wheat (B) Rice
(C) Maize (D) Milk
16. The enzymes with which nicotinamide act
as coenzyme are
(A) Dehydrogenases (B) Transaminases
(C) Decarboxylases (D) Carboxylases
17. Dietary requirement of Vitamin D:
(A) 400 I.U. (B) 1000 I.U.
(C) 6000 I.U. (D) 700 I.U.
18. The Vitamin which does not contain a ring
in the structure is
(A) Pantothenic acid (B) Vitamin D
(C) Riboflavin (D) Thiamin
19. Pantothenic acid is a constituent of the
coenzyme involved in
(A) Decarboxylation (B) Dehydrogenation
(C) Acetylation (D) Oxidation
20. The precursor of CoA is
(A) Riboflavin (B) Pyridoxamine
(C) Thiamin (D) Pantothenate
21. ‘Burning foot syndrome’ has been
ascribed to the deficiency of
(A) Pantothenic acid (B) Thiamin
(C) Cobalamin (D) Pyridoxine
22. Pyridoxal phosphate is central to
(A) Deamination (B) Amidation
(C) Carboxylation (D) Transamination
23. The vitamin required as coenzyme for the
action of transaminases is
(A) Niacin
(B) Pantothenic acid
(C) Pyridoxal phosphate
(D) Riboflavin
24. Vitamin B6 deficiency may occur during
therapy with
(A) Isoniazid (B) Terramycin
(C) Sulpha drugs (D) Aspirin
25. Deficiency of vitamin B6 may occur in
(A) Obese person (B) Thin person
(C) Alcoholics (D) Diabetics
26. ‘Xanthurenic acid index’ is a reliable
criterion for the deficiency of the vitamin
(A) Pyridoxal (B) Thiamin
(C) Pantothenic acid (D) Cobalamin
27. Epileptiform convulsion in human infants
have been attributed to the deficiency of
the vitamin
(A) B1 (B)B2
(C) B6 (D) B12
28. Biotin is a coenzyme of the enzyme
(A) Carboxylase (B) Hydroxylase
(C) Decarboxylase (D) Deaminase
29. The coenzyme required for conversion of
pyruvate to oxaloacetate is
(A) FAD (B) NAD
(C) TPP (D) Biotin
30. In biotin-containing enzymes, the biotin
is bound to the enzyme by
(A) An amide linkage to carboxyl group of
glutamine
(B) A covalent bond with CO2
(C) An amide linkage to an amino group of lysine
(D) An amide linkage to α-carboxyl group of
protein