1421. The amino acid from which niacin synthesized is :
A. Tyrosine
B. Tryptophan *
C. Threonine
D. Histidie
1422. Coenzyme A contains which of the following vitamins :
A. Biotin
B. Pyridoxine
C. Pantothenic acid *
D. Niacin
1423. Which of the following is the source of vitamin C ?
A. Cabbage
B. Guava
C. Radish
D. All of these *
1424. Pernicious anaemia occurs in :
A. Vitamin B1 Deficiency
B. Vitamin B12 Deficiency *
C. Vitamin C Deficiency
D. Vitamin D deficiency
1425. Vitamin associated with one carbon transfer is :
A. Niacin
B. Thiamine
C. Ascorbic acid
D. Folic acid *
1426. Average daily dose of vitamin C is :
A. 30-40 mg
B. 50-60 mg *
C. 60-100 mg
D. 100-150mg
1427. Xeropthalmia is caused by :
A. Vitamin A deficiency *
B. Vitamin D deficiency
C. Vitamin C deficiency
D. Vitmain K deficeincy
1428. Which of the following factors delay wound healing :
A. Vitamin B 12 deficiency
B. Ascrobic acid deficiency
C. Infectionn
D. B & C options *
1429. Ascorbic acid :
A. Is a reducing agent *
B. Decrease iron absorption
C. Is harmless in high doses
D. IS requirement for lysyl oxidase
1430. Tocopherol is associatd with :
A. Vitamin A
B. Vitamin E *
C. Vitamin K
D. Vitamin D