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VITAMINS- Part 5
See all quizzes of VITAMINS- Part 5 here:
1 NADP is required as a coenzyme in
(A) Glycolysis (B) Citric acid cycle
(C) HMP shunt (D) Gluconeogenesis
2. NAD is required as a coenzyme for
(A) Malate dehydrogenase
(B) Succinate dehydrogenase
(C) Glucose-6-phosphate dehydrogenase
(D) HMG CoA reductae
3. NAD is required as a conenzyme in
(A) Citric acid cycle
(B) HMP shunt
(C) β-Oxidation of fatty acids
(D) Both (A) and (C)
4. Niacin can be synthesised in human
beings from
(A) Histidine (B) Phenylalanine
(C) Tyrosine (D) Tryptophan
5. Daily requirement of niacin is
(A) 5 mg (B) 10 mg
(C) 20 mg (D) 30 mg
6. Niacin deficiency is common in people
whose staple food is
(A) Wheat
(B) Polished rice
(C) Maize and /or sorghum
(D) None of these
7. In pellagra, dermatitis usually affects
(A) Exposed parts of body
(B) Covered parts of body
(C) Trunk only
(D) All parts of the body
8. Niacin deficiency can occur in
(A) Hartnup disease (B) Phenylketonuria
(C) Alkaptonuria (D) None of these
9. Pantothenic acid contains an amino acid
which is
(A) Aspartic acid (B) Glutamic acid
(C) β-Alanine (D) β-Aminoisobutyric acid
10. Sulphydryl group of coenzyme a is contributed
by
(A) β-Alanine
(B) β-Aminoisobutyric acid
(C) Methionine
(D) Thioethanolamine
11. Coenzyme A contains a nitrogenous base
which is
(A) Adenine (B) Guanine
(C) Choline (D) Ethanolamine
12. The following is required for the formation
of coenyzme A:
(A) ATP (B) GTP
(C) CTP (D) None of these
13. Coenzyme A is required for catabolism of
(A) Leucine (B) Isoleucine
(C) Valine (D) All of these
14. Deficiency of pantothenic acid in human
beings can affect
(A) Nervous system (B) Digestive system
(C) Both (A) and (B) (D) None of these
15. Pyridoxal phosphate is a coenzyme for
(A) Glutamate oxaloacetate transaminase
(B) Glutamate pyruvate transaminase
(C) Tyrosine transaminase
(D) All of these
16. Pyridoxal phosphate is required as a
coenzyme in
(A) Transamination (B) Transulphuration
(C) Desulphydration (D) All of these
17. Pyridoxal phosphate is a coenzyme for
(A) Glycogen synthetase
(B) Phosphorylase
(C) Both (A) and (B)
(D) None of these
18. Pyridoxine deficiency can be diagnosed
by measuring urinary excretion of
(A) Pyruvic acid (B) Oxaloacetic acid
(C) Xanthurenic acid (D) None of these
VITAMINS 119
19. Pyridoxine deficiency can be diagnosed
by measuring the urinary excretion of
xanthurenic acid following a test dose of
(A) Glycine (B) Histidine
(C) Tryptophan (D) Pyridoxine
20. Pyridoxine requirement depends upon
the intake of
(A) Carbohydrates (B) Proteins
(C) Fats (D) None of these
21. Anti-egg white injury factor is
(A) Pyridoxine (B) Biton
(C) Thiamin (D) Liponic acid
22. When eggs are cooked
(A) Biotin is destroyed but avidin remains
unaffected
(B) Avidin is inactivated but biotin remains
unaffected
(C) Both avidin and biotin are inactivated
(D) Both avidin and biotin remain unaffected
23. Biotin is required as a coenzyme by
(A) Anaerobic dehydrogenases
(B) Decarboxylases
(C) Aerobic dehydrogenases
(D) Carboxylases
24. Biotin is a coenzyme for
(A) Pyruvate carboxylase
(B) Acetyl CoA carboxylase
(C) Propionyl CoA carboxylase
(D) All of these
25. Lipoic acid is a conenzyme for
(A) Pyruvate dehydrogenase
(B) α-Ketoglutarate dehydrogenae
(C) Both (A) and (B)
(D) None of these
26. Chemically, lipoic acid is
(A) Saturated fatty acid
(B) Unsaturated fatty acid
(C) Amino acid
(D) Sulphur containing fatty acid
27. Folic acid contains
(A) Pteridine
(B) p-Amino benzoic acid
(C) Glutamic acid
(D) All of these
28. Conversion of folate into tetrahydrofolate
requires
(A) NADH (B) NADPH
(C) FMNH2 (D) FADH2
29. Riboflavin deficiency symptoms are
(A) Glossitis (B) stomatis
(C) Vomitting (D) Both (A) and (B)
30. Vitamin B12 forms coenzymes known as
(A) Cobamide (B) Transcobalamin I
(C) Transcobalamin II (D) Both (B) and (C)
