VITAMINS AND COENZYMES QUIZ

β-carotene together with α-carotene, γ-carotene and cryptoxanthine are synthesized by

plants and animals both

plants

animal

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

A fat-soluble vitamin that regulates blood clotting is

vitamin K

niacin

vitamin A

vitamin C

TRUE ANSWER : ?
YOUR ANSWER : ?

The prosthetic group biotin is a carrier of which type of molecule?

Activated carbon dioxide (CO2)

Sulfhydryl group

Methyl group

Ammonia

TRUE ANSWER : ?
YOUR ANSWER : ?

Vitamin-C is considered as a

fat and water soluble

water soluble

fat soluble

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

An example of a digestive hormone is

gastrin

amylase

pepsin

lipase

TRUE ANSWER : ?
YOUR ANSWER : ?

Ascorbic acid acts as an

reducing agent

oxidizing and reducing agent both

None of these

oxidizing agent

TRUE ANSWER : ?
YOUR ANSWER : ?

Who discovered vitamin C (ascorbic acid)?

Paul Berg

Linus Pauling

Kerry Mull is

Albert Szent-Gyorgyi

TRUE ANSWER : ?
YOUR ANSWER : ?

In the co-enzyme B12the position occupied by a cyanide ion in vitamin B12 is bonded directly to the __________ of the ribose of adenosine.

hydroxycobalamin

cyanocobalamin

adenine

5-6 dimethylbenzimidazole

TRUE ANSWER : ?
YOUR ANSWER : ?

Vitamin B12 is useful in the prevention and treatment of

beri-beri

cataract

scurvy

pernicious anemia

TRUE ANSWER : ?
YOUR ANSWER : ?

The vitamin niacin is part of the __________ molecule.

NAD+

pyridoxal phosphate

pyrophosphate

ferredoxin

TRUE ANSWER : ?
YOUR ANSWER : ?

↑