VITAMINS AND COENZYMES QUIZ

What metal ion is specifically bound by vitamin B12?

Iron

Copper

Cobalt

Zinc

TRUE ANSWER : ?
YOUR ANSWER : ?

Vitamin B12 is useful in the prevention and treatment of

cataract

pernicious anemia

scurvy

beri-beri

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Ovalbumin

Avidin

Albumin

Betabindin

TRUE ANSWER : ?
YOUR ANSWER : ?

Biotin occurs mainly in combined forms bound to protein through

ε-N-lysine moiety

ε-N-lipoyl - L-lysine

ε-S-lysine moiety

ε-N-biotinyl-L-lysine

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of these hormones is a catecholamine?

Follitropin

Tetraiodothyronine

Tetrahydrofolate

Norepinephrine

TRUE ANSWER : ?
YOUR ANSWER : ?

The symptoms of retinol excess are

bone fragility

nausea

all of these

weakness

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Ammonia

Methyl group

Sulfhydryl group

Activated carbon dioxide (CO2)

TRUE ANSWER : ?
YOUR ANSWER : ?

Selenium is an essential component of the enzyme glutathione peroxidase which

scavenges toxic hydoperoxycompounds in tissues

reduces toxic hydoperoxycompounds in tissues

oxidizes toxic hydoperoxycompounds in tissues

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

cataract

beri-beri

rickets

pernicious anemia

TRUE ANSWER : ?
YOUR ANSWER : ?

Vitamin-D deficiency can cause

rickets

pernicious anemia

cataract

beri-beri

TRUE ANSWER : ?
YOUR ANSWER : ?

↑