biochemistry MCQs – Page 15

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

biochemistry Mcqs
281. Iron is complexed in haemoglobin to_______________?
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A. Valine

B. Leucine

C. Isoleucine

D. Histidine
282. Cereals are deficient in_____________?
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A. Vitamin C

B. Vitamin B complex

C. Iron

D. Calcium

283. Which of the following amino acid is involved in gluconeogenesis______________?
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A. Valine

B. Glycine

C. Cysteline

D. All of the above
284. Saponification means hydrolysis of fats by________________?
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A. Alkali

B. Enzymes

C. Water

D. Acid

285. Which vitamin is related to a co-factor in glycine metabolism is______________?
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A. Folic acid

B. Vit E

C. Cobalamine

D. Thiamine

286. All of the following are globular proteins except_______________?
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A. Myosin

B. Albumin

C. Prolamines

D. Globulin

287. The process of transfer of information from the RNA to the proteins is called______________?
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A. Mutation

B. Conjugation

C. Translation

D. Transcription

288. Tryptophan load test helps in the evaluation of deficiency of the vitamin______________?
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A. Niacinamide

B. Folic acid

C. Cyano cobolamine

D. Pyridoxine
289. Which of the following is used in recombinant DNA technology ?
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A. PCR

B. None of these

C. Reverse transcriptase FISH

D. Restriction endonucleases
290. Ferritin an inactive form of iron is stored in_____________?
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A. All of the above

B. Gut

C. Liver

D. Spleen

291. Which of the following are the sources of Vit C_________________?
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A. Apple

B. Fresh green vegetables

C. Citrus fruits

D. Both B and C
292. ALbumin is synthesized by_____________?
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A. Muscle

B. Liver

C. Kidney

D. Spleen

293. Both Vitamin K and C are involved in______________?
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A. The microsomal hydroxylation reactions

B. The synthesis of clotting factors

C. Post translational modifications

D. Antioxidant mechanisms

294. If bile acid recycling time is short, then bile salt reservoir pool will be______________?
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A. Has no effect

B. Uchanged

C. Decreased

D. Increased

295. Which of the following is not a post transcriptional modification of RNA ?
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A. Glycosylation

B. Splicing

C. 3? polyadenylation

D. 5? capping

296. The main function of mitochondria is______________?
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A. Protein synthesis

B. Electron transfer

C. Oxidation

D. Fat synthesis

297. Heme is converted to bilirubin mainly in_____________?
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A. Spleen

B. Liver

C. Kidney

D. Bone marrow

298. Tocopherol is associated with____________?
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A. Vitamin K

B. Vitamin D

C. Vitamin A

D. Vitamin E
299. The main function of HDL is____________?
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A. Transport cholesterol from liver to peripheral tissues

B. Esterification with PUFA

C. Both of the above

D. None of the above
300. Which one of the following amino acids is purely ketogenic ?
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A. Proline

B. Isoleucine

C. Leucine

D. Phenylalanine