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Biochemistry; Free Online Mock Test 78

Author: RxPG, Posted on Sunday, August 31 @ 00:00:00 IST by RxPG  

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Biochemistry

Multiple Choice Test



1) A disaccharide linked by alpha 1 - 4 glycosidic linkage is

One answer only.
a) Lactose
b) Sucrose
c) Cellulaose
d) Mannose
e) Cellobiose





2) Inversion is related to

One answer only.
a) Dextrose
b) Frutose
c) Sucrose
d) Maltose
e) Lactose



3) Vitamin A is stored in the form of

One answer only.
a) Retinol
b) Retinyl aldehyde
c) Retinal palmitate
d) Retinoic acid



4) In oxidative phosphorylation , the ATP production and respiratory chain are linked by :

One answer only.
a) Chemical methods
b) Physical methods
c) Chemoiosmotic methods
d) Conformational changes



5) Phosphatides occur in

One answer only.
a) Myelin sheath
b) Stabilizes chylomicrons
c) In erythrocyte membrane
d) All of the above



6) Rancidity of butter is prevented by

One answer only.
a) Vitamin D
b) Tocopherols
c) Presence of Biotin
d) Presence of lead



7) Sphingosine is backbone of all of the following EXCEPT

One answer only.
a) Cerebroside
b) Ceramide
c) Sphingomyelin
d) Lecithin
e) Ganglioside



8) All prostaglandins have in common in addition to cyclopentane ring one double bond between positions

One answer only.
a) C5 and C6
b) C7 and C8
c) C9 and C10
d) C11 and C12
e) C13 & C14



9) The total iodine stores are about

One answer only.
a) 20mg
b) 50mg
c) 75mg
d) 2mg



10) The human plasma proteins are a mixture of

One answer only.
a) Glycoproteins
b) Simple proteins
c) Conjugated proteins
d) Lipo proteins
e) All of the above


This test has been created using the RxPG




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