Quiz on vitamins | quiz 1


#1

QUES 1. Vitamins are

Accessory food factors

Generally synthesized in the body

Produced in endocrine glands

Proteins in nature

QUES 2. Vitamin A or retinal is a

Benzoquinone derivative

6-Hydroxychromane

Steroid

Polyisoprenoid compound containing a cyclohexenyl ring

QUES 3. β-Carotene, precursor of vitamin A, is oxidatively cleaved by

β-Carotene dioxygenase

Oxygenase

Hydroxylase

Transferase

QUES 4. Preformed Vitamin A is supplied by

All yellow vegetables

Leafy green vegetables

Milk, fat and liver

All yellow fruits

QUES 5. Fat soluble vitamins are

Soluble in alcohol

one or more Propene units

Stored in liver

All of these

QUES 6. Retinol is transported in blood bound to

Aporetinol binding protein

α2-Globulin

β-Globulin

Albumin

QUES 7. The normal serum concentration of vitamin A in mg/100 ml is

5–10

15–60

100–150

0–5

QUES 8. Vitamin D absorption is increased in

Acid pH of intestine

Alkaline pH of intestine

Impaired fat absorption

Contents of diet

QUES 9. Calcitriol synthesis involves

Both liver and kidney

Intestine

Adipose tissue

QUES 10. Vitamin K is found in

Meat

Green Leafy Vegetables

Fish

Milk