Biochemistry Mcqs

Fat provides ______% of body’s calories?

(A) 40%

(B) 30%

(C) 50%

(D) 75%

Submitted By: Ali Uppal


The lipoprotein particles that have the highest percentage concentration of cholesterol is_______________?

(A) Chylomicron

(B) VLDL (Very low density lipoprotein)

(C) LDL (Low density lipoprotein)

(D) HDL (High density lipoprotein)

Submitted By: Ali Uppal


Which of the following fatty acids are not syntehsised in human body_____________?

(A) Oleic, linoleic and linolenic acid

(B) Arachidonic, linolenic and linoleic acid

(C) Palmitic Oleic and arachidonic

(D) Linoleic, arachidonic and stearic acid

Submitted By: Ali Uppal


Detoxification of drugs is controlled by_____________?

(A) Cytochrome

(B) Cytochrome P450

(C) Cytochrome C

(D) Cytochrome A

Submitted By: Ali Uppal


Detoxification or protective synthesis occurs by____________?

(A) Oxidation

(B) Reduction

(C) Conjugation

(D) Any of the above

Submitted By: Ali Uppal


The major driving force for formation of membrane lipid bilayer is____________?

(A) Hydrogen bonding

(B) Hydrophobic interactions

(C) Vander wall forces

(D) Not known

Submitted By: Ali Uppal


The most important buffer in RBC is____________?

(A) O2 Hb +Na hemoglobinate

(B) O2Hb +K hemoglobinate

(C) H2CO3 + KHCO3

(D) H2CO3 +NAHCO3

Submitted By: Ali Uppal


In ECF main electrolyte is_______________?

(A) Na+

(B) K+

(C) Cl

(D) Proteins

Submitted By: Ali Uppal


Which is not seen in HMG CoA pathway ?

(A) Pyruvate

(B) Cholesterol

(C) Mevalonate

(D) Acetyl CoA

Submitted By: Ali Uppal


Rate limiting step in cholesterol synthesis is_______________?

(A) HMG CoA synthetase

(B) HMG CoA lyase

(C) HMG CoA reductase

(D) Mevalonate synthetase

Submitted By: Ali Uppal