biochemistry MCQs – Page 19

Practise focused biochemistry questions with marked answers for exam preparation and subject revision.

biochemistry Mcqs
361. Mannose 6 phosphate containing freshly synthesized proteins are directed to_____________?
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A. Golgi apparatus

B. Mitochondria

C. Nucleus

D. Lysosomes
362. Fatty aids help in synthesis of all except____________?
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A. Glucose

B. Ketone bodies

C. Cholesterol

D. Fat

363. Consumption of raw egg white in the diet may result in the deficiency of______________?
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A. Thiamine

B. Biotin

C. Riboflavin

D. Pyridoxine

364. Ketone body formation takes place in_______________?
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A. Blood

B. Spleen

C. Liver

D. Kidney

365. Lipid from tissue is carried to liver by_____________?
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A. VLDL

B. Chylomicrons

C. HDL

D. LDL

366. Glutamine replaced by valine in sckle cell anaemia is characterized________________?
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A. Non Sense mutation of beta chain

B. Deletion of beta chain

C. Degradation of beta chain

D. Missense mutation of beta chain
367. Which base is not found in DNA________________?
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A. Cytosine

B. Guanine

C. Uracil

D. Adenine

368. The normal level of serum cholesterol is_______________?
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A. 150-250 mgs/100 ml

B. 260-360 mgs/100 ml

C. 100-140 mgs/100 ml

D. 80-250 mgs/100 ml

369. The fluid mosaic model of membrane structure was proposed by_______________?
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A. Edwarg Angle

B. G.V Black

C. Watson and Crick

D. Singer and Nicolson
370. Hyponatremia is defined as a serum Na+ level ____________________?
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A. < 160 mmo/L

B. >135 mmol/L

C. < 100 mmo/L

D. < 135 mmol/L
371. A patient of type 2 diabetes mellitus is given nutrition rich in________________?
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A. Fibre rich diet

B. Fat

C. Proteins

D. Carbohydrates

372. The protein rich in basic amino acids, which functions in the packaging of DNA is chromosomes is______________?
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A. Hyaluronic acid binding protein

B. Fibrinogen

C. Collagen

D. Histone
373. Limiting factory for fatty acid synthesis_________________?
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A. Acetyl CoA carboxylase

B. Acyl transferase

C. Aceto acetate synthetase

D. Biotin

374. Non polar lipid act as______________?
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A. Electrical insulators

B. Irons

C. Electrolytes

D. Non electrical insulators

375. Which of the following is most important content of diet ?
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A. Vitamin

B. Water

C. Protein

D. Minerals
376. The following are derived from cholesterol, EXCEPT_____________?
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A. Bile acids

B. Energy

C. Vitamin D

D. Steroid hormones

377. The most important buffer in RBC is____________?
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A. O2Hb +K hemoglobinate

B. H2CO3 +NAHCO3

C. H2CO3 + KHCO3

D. O2 Hb +Na hemoglobinate

378. Ammonia produced by brain is trapped as_____________?
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A. Urea

B. Glutamine

C. Creatinine

D. Uric Acid

379. FSH, LH, TSH acts through_________________?
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A. Cyclic AMP

B. Cyclic GMP

C. Calcium release

D. Adenosine cyclate

380. Urinary protein is detected by______________?
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A. Hays test

B. Ehrlichs test

C. Barfoed test

D. Boiling test