VITAMINS AND COENZYMES QUIZ

Which of these is a symptom of vitamin A deficiency?

Blindness

Impaired taste perception

Osteoporosis

Impaired blood clotting

TRUE ANSWER : ?
YOUR ANSWER : ?

Dihydroorotate dehydrogenase contains

4 flavins and 2 atoms of iron per molecule

2 flavins and 4 atoms of iron per molecule

2 flavins and 2 atoms of iron per molecule

4 flavins and 4 atoms of iron per molecule

TRUE ANSWER : ?
YOUR ANSWER : ?

A deficiency of niacin causes

cataract

pellagra

anemia

scurvy

TRUE ANSWER : ?
YOUR ANSWER : ?

The most prominent role that tocopherol has in in-vitro systems is as a strong

reducing agent

all of these

oxidizing agent

antioxidants

TRUE ANSWER : ?
YOUR ANSWER : ?

The vitamin niacin is part of the __________ molecule.

pyrophosphate

NAD+

ferredoxin

pyridoxal phosphate

TRUE ANSWER : ?
YOUR ANSWER : ?

The absence of ascorbic acid in the human diet gives rise to

beri-beri

pernicious anemia

rickets

cataract

TRUE ANSWER : ?
YOUR ANSWER : ?

Vitamin-C is considered as a

fat and water soluble

fat soluble

water soluble

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

A fat-soluble vitamin that regulates blood clotting is

vitamin A

niacin

vitamin C

vitamin K

TRUE ANSWER : ?
YOUR ANSWER : ?

Vitamin B12 (Cobalamin) is only synthesized by

micro-organisms

animals

plants

fishes

TRUE ANSWER : ?
YOUR ANSWER : ?

Lipoic acid exists in

reduced form

none of these

oxidized and reduced form both

oxidized form

TRUE ANSWER : ?
YOUR ANSWER : ?

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