Vitamins

Provitamins A include 

(A) Retinal 

(B) Retionic acid 

(C) Carotenes 

(D) All of these

Vitamin K regulates the synthesis of blood clotting factors. 

(A) VII 

(B) IX 

(C) X 

(D) All of these

Whole wheat is an excellent source of 

(A) Vitamin D 

(B) Vitamin C

(C) Vitamin A 

(D) Thiamine

Energy value in kilocalorie per gram of fat in the body is 

(A) 1 

(B) 4 

(C) 9 

(D) 18

The following has cyanide: 

(A) Vitamin B₁₂ 

(B) Adenyl cobamide 

(C) Benzimidazole cobamide 

(D) Methyl cobamide

Vitamin K is involved in posttranslational modification of the blood clotting factors by acting as cofactor for the enzyme: 

(A) Carboxylase 

(B) Decarboxylase 

(C) Hydroxylase 

(D) Oxidase

25-Hydroxylation of vitamin D occurs in 

(A) Skin 

(B) Liver 

(C) Kidneys 

(D) Intestinal mucosa

The normal serum concentration of vitamin A in mg/100 ml is 

(A) 5–10 

(B) 15–60 

(C) 100–150 

(D) 0–5

Deficiency of vitamin C causes 

(A) Beriberi

(B) Pellagra 

(C) Pernicious anaemia 

(D) Scurvy

Vitamin D absorption is increased in 

(A) Acid pH of intestine 

(B) Alkaline pH of intestine 

(C) Impaired fat absorption 

(D) Contents of diet