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