VITAMINS AND COENZYMES QUIZ

Vitamin B12 is useful in the prevention and treatment of

scurvy

beri-beri

cataract

pernicious anemia

TRUE ANSWER : ?
YOUR ANSWER : ?

Who discovered vitamin C (ascorbic acid)?

Linus Pauling

Albert Szent-Gyorgyi

Paul Berg

Kerry Mull is

TRUE ANSWER : ?
YOUR ANSWER : ?

Selenium is an essential component of the enzyme glutathione peroxidase which

None of these

oxidizes toxic hydoperoxycompounds in tissues

reduces toxic hydoperoxycompounds in tissues

scavenges toxic hydoperoxycompounds in tissues

TRUE ANSWER : ?
YOUR ANSWER : ?

Vitamin K1 was first isolated from alfalalfa and has the phytyl side chain consisting of

six isoprene units

four isoprene units

four isoprene units

nine isoprene units

TRUE ANSWER : ?
YOUR ANSWER : ?

E.coli ACP has its molecular weight as around

90,000

39000

19000

9000

TRUE ANSWER : ?
YOUR ANSWER : ?

What compound of raw egg white causes a syndrome similar to vitamin B deficiency?

Albumin

Ovalbumin

Avidin

Betabindin

TRUE ANSWER : ?
YOUR ANSWER : ?

Vitamins are essential because the organism

None of these

can't synthesize these compounds in the adequate amounts

can synthesize these compounds partially

can't synthesize these compounds at all

TRUE ANSWER : ?
YOUR ANSWER : ?

An enzyme, L-folate reductase reduces folic acid to

hydrofolic acid

trihydrofolic acid

dihydrofolic acid

tetrahydrofolic acid

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following compounds/(s) belong/(s) to the vitamin B6 group?

Pyridoxamine

Pyridoxine

All of these

Pyridoxal

TRUE ANSWER : ?
YOUR ANSWER : ?

In one iron-metalloflavoprotein, the iron is present as a

flavin moiety

nonheme type

heme-protein

both (a) and (b)

TRUE ANSWER : ?
YOUR ANSWER : ?

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