VITAMINS AND COENZYMES QUIZ

Vitamin-D deficiency can cause

pernicious anemia

cataract

beri-beri

rickets

TRUE ANSWER : ?
YOUR ANSWER : ?

An early sign of retinol deficiencies in man is

none of these

keratinization

xeropthalmia

night blindness

TRUE ANSWER : ?
YOUR ANSWER : ?

The reductant, NADH, transfers the electrons via a flavo-proteins to the specific disulfide (S-S) protein to form a dithiol (SH,SH) protein which converts vitamin

B12(Co+)to B12(Co2+)

B12(Co2+)to B12(Co)

B12(Co) to B12(Co2+)

B12(Co2+)to B12(Co+)

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of these hormones is a catecholamine?

Norepinephrine

Follitropin

Tetrahydrofolate

Tetraiodothyronine

TRUE ANSWER : ?
YOUR ANSWER : ?

Lipoic acid is a co-factor of the

di-hydroorotate dehydrogenase

α-ketoglutaric dehydrogenase

pyruvic dehydrogenase

both (a) and (b)

TRUE ANSWER : ?
YOUR ANSWER : ?

Lipoic acid exists in

oxidized and reduced form both

reduced form

oxidized form

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Vitamin B12 (Cobalamin) is only synthesized by

fishes

animals

plants

micro-organisms

TRUE ANSWER : ?
YOUR ANSWER : ?

Vitamin-C is considered as a

water soluble

fat and water soluble

fat soluble

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The disease Beriberi is due to a dietary deficiency in

vitamin B2 (riboflavin)

vitamin B1 (thiamine)

vitamin B12

vitamin B6 (pyridoxine)

TRUE ANSWER : ?
YOUR ANSWER : ?

The symptoms of retinol excess are

all of these

weakness

nausea

bone fragility

TRUE ANSWER : ?
YOUR ANSWER : ?

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