MCQOPTIONS
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MCQOPTIONS
This section includes 436 Mcqs, each offering curated multiple-choice questions to sharpen your Medical Subjects knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the organelles contain DNA_________________? |
| A. | Nucleus |
| B. | Nucleolus |
| C. | Golgi apparatus |
| D. | Ribsomes |
| Answer» B. Nucleolus | |
| 2. |
Which of them is multienzyme complex_____________? |
| A. | Pyruvate dehydrogenase |
| B. | Alpha ketoglutarate dehydrogenase |
| C. | Succinate dehydrogenase |
| D. | Enolase |
| E. | Both A & B |
| Answer» F. | |
| 3. |
Which of these is not included in parenteral therapy ? |
| A. | Carbohydrates |
| B. | Fibres |
| C. | Fats |
| D. | Micronutrients |
| Answer» C. Fats | |
| 4. |
Which of these organelle functions as the digestive system of the cell ? |
| A. | Mitochondria |
| B. | Rough endoplasmic reticulum |
| C. | Golgi apparatus |
| D. | Lysomes |
| Answer» E. | |
| 5. |
Which one of the following amino acids is purely ketogenic ? |
| A. | Proline |
| B. | Phenylalanine |
| C. | Isoleucine |
| D. | Leucine |
| Answer» E. | |
| 6. |
Which one of the following enzymes provides a link between glycolysis and the citric acid cycle ? |
| A. | Lactate dehydrogenase |
| B. | Pyruvate kinase |
| C. | Citrate synthase |
| D. | Pyruvate dehydrogenase |
| Answer» E. | |
| 7. |
Which one of the following human tissues contains the greatest amount of body glycogen ? |
| A. | Liver |
| B. | Kidney |
| C. | Skeletal muscle |
| D. | Cardiac muscle |
| Answer» D. Cardiac muscle | |
| 8. |
Which one of the following is a monosaccharide______________? |
| A. | Maltose |
| B. | Sucrose |
| C. | Fructose |
| D. | Strach |
| Answer» D. Strach | |
| 9. |
Which one of the following is the correct sequential order in which the given enzymes of kreb’s cycle are formed after a molecule of acetyl CoA______________? |
| A. | Citrate, Oxalocetate, Ketoglutarate |
| B. | Ketoglutarate, Oxalocetate, Citrate |
| C. | Citrate, Ketoglutarate, Oxalocetate |
| D. | Oxalocetate, Ketoglutarate, Citrate |
| Answer» B. Ketoglutarate, Oxalocetate, Citrate | |
| 10. |
Which vitamin is synthesized by intestinal bacteria ? |
| A. | Vit B |
| B. | Vit A |
| C. | Vit D |
| D. | Vit K |
| Answer» E. | |
| 11. |
Which vitamin is related to a co-factor in glycine metabolism is______________? |
| A. | Vit E |
| B. | Folic acid |
| C. | Thiamine |
| D. | Cobalamine |
| Answer» C. Thiamine | |
| 12. |
Which vitamin is the most indispensable during mitosis______________? |
| A. | Folic acid |
| B. | Pantothenic acid |
| C. | Ascorbic acid |
| D. | Aspartic acid |
| Answer» B. Pantothenic acid | |
| 13. |
Who is known for his work on scurvy ? |
| A. | Fracastorius |
| B. | James lind |
| C. | John snow |
| D. | Edward Jenner |
| Answer» C. John snow | |
| 14. |
Within the RBC hypoxia stimulates glycolysis by which of the following regulating pathways ? |
| A. | Hypoxia stimulates pyruvate dehydrogenase by increased, 2, 3DPG |
| B. | Hypoxia inhibits hexokinase |
| C. | Hypoxia stimulates release of all glycolytic enzymes from Band 3 on RBC membrane |
| D. | Activation of the regulatory enzymes by high PH |
| Answer» D. Activation of the regulatory enzymes by high PH | |
| 15. |
Xerophthalmia is caused by_______________? |
| A. | Vitamin A deficiency |
| B. | Vitamin D deficiency |
| C. | Vitamin C deficiency |
| D. | Vitamin K deficiency |
| Answer» B. Vitamin D deficiency | |
| 16. |
Which of the following statement is TRUE? The hydrolysis of lactose yields glucose and galactose_____________? |
| A. | The hydrolysis of lactose yields glucose and galactose |
| B. | The hydrolysis of maltose yields glucose and fructose |
| C. | The hydrolysis of sucrose yields only glucose |
| D. | All of the above statements are true |
| Answer» B. The hydrolysis of maltose yields glucose and fructose | |
| 17. |
Which of the following process in involved in conversion of DNA to RNA___________? |
| A. | Conjugation |
| B. | Transduction |
| C. | Translocation |
| D. | Transcription |
| Answer» E. | |
| 18. |
Which of the following organs cannot use ketone bodies_______________? |
| A. | Brain |
| B. | Liver |
| C. | Kidney |
| D. | Spleen |
| Answer» C. Kidney | |
| 19. |
Which of the following is used in recombinant DNA technology ? |
| A. | Restriction endonucleases |
| B. | PCR |
| C. | Reverse transcriptase FISH |
| D. | None of these |
| Answer» B. PCR | |
| 20. |
Which of the following is the poorest source of vitamin C ? |
| A. | Milk |
| B. | Cabbage |
| C. | Guava |
| D. | Radish |
| Answer» B. Cabbage | |
| 21. |
Which of the following is the best site of absorption of calcium ? |
| A. | Proximal segment of small intestine |
| B. | Middle segment of small intestine |
| C. | Ascending colon |
| D. | Ileum |
| Answer» B. Middle segment of small intestine | |
| 22. |
Which of the following is present in the plasma but absent in the serum ? |
| A. | Albumin |
| B. | Globulin |
| C. | Lecithin |
| D. | Firbinogen |
| Answer» E. | |
| 23. |
Which of the following is precursor of adrenaline and thyroxine synthesis ? |
| A. | Phenyl alanine |
| B. | Tyrosine |
| C. | Tryptophan |
| D. | None of the above |
| Answer» C. Tryptophan | |
| 24. |
Which of the following is not true of Vit D_______________? |
| A. | Its active form is calcitriol |
| B. | Increase calcium absorption from the intestines |
| C. | Its deficiency results in rickets |
| D. | Its decrease cause phosphate reabsorption from the kidneys |
| Answer» E. | |
| 25. |
Which of the following is not a second messenger ? |
| A. | c AMP |
| B. | c GMP |
| C. | Phosphatidyl inosital |
| D. | Phosphatidyl glycerol |
| Answer» E. | |
| 26. |
Which of the following is not a product of HMP shunt_____________? |
| A. | NADPH |
| B. | D fructose 6 phosphate |
| C. | D sedoheptulose 5 phosphate |
| D. | D glyceraldehyde 3 phosphate |
| Answer» D. D glyceraldehyde 3 phosphate | |
| 27. |
Which of the following is not a post transcriptional modification of RNA ? |
| A. | Splicing |
| B. | 5′ capping |
| C. | 3′ polyadenylation |
| D. | Glycosylation |
| Answer» E. | |
| 28. |
Which of the following is not a polymer of glucose? |
| A. | Glycogen |
| B. | Cellulose |
| C. | Amylase |
| D. | Inulin |
| Answer» E. | |
| 29. |
Which of the following is not a part of hemoglobin molecule___________? |
| A. | Pyrrole rings |
| B. | Vinyl groups |
| C. | Histidine |
| D. | Ferric ions |
| Answer» E. | |
| 30. |
Which of the following is not a ketone body______________? |
| A. | Acetone |
| B. | Acetic acid |
| C. | Acetocetate |
| D. | Beta hydroxybutyric acid |
| Answer» C. Acetocetate | |
| 31. |
Which of the following is NOT a characteristic feature of allosteric enzymes ? |
| A. | They are multienzyme complex |
| B. | Follow Michaelis-Menton Kinetics |
| C. | Presence of Modulator site |
| D. | Give sigmoid shaped curve |
| Answer» C. Presence of Modulator site | |
| 32. |
Which of the following is most important content of diet ? |
| A. | Protein |
| B. | Water |
| C. | Vitamin |
| D. | Minerals |
| Answer» E. | |
| 33. |
Which of the following is inclusion of cytoplasm ? |
| A. | Endoplasmic reticulum |
| B. | Ribosome |
| C. | Golgi body |
| D. | Glycogen |
| Answer» E. | |
| 34. |
Which of the following is false about starvation ketoacidosis ? |
| A. | Metabolic acidosis |
| B. | Smell of acetone in breath |
| C. | Benedict’s test +ve |
| D. | Rothera’s test is +ve |
| Answer» D. Rothera’s test is +ve | |
| 35. |
Which of the following is correct of the pyruvate dehydrogenase enzyme complex ? |
| A. | It is present in cytoplasm |
| B. | Catalyzes the conversion of pyruvate to oxaloacetate |
| C. | Requires TPP as cofactor |
| D. | Catalyzes a reversible reaction |
| Answer» D. Catalyzes a reversible reaction | |
| 36. |
Which of the following is correct about breakdown of hemoglobin (Hb)_____________? |
| A. | Hb→Heme→bilirubin→Urobilinogen |
| B. | Heme→Hb→Biliverdin→Urobilinogen |
| C. | Hb→Heme→Bilverdin→Uro bilinogen |
| D. | Hb→Heme→bilirubin→Urobilinogen→Biliverdin |
| Answer» D. Hb→Heme→bilirubin→Urobilinogen→Biliverdin | |
| 37. |
Which of the following is abnormal constituent of urine_____________? |
| A. | glucose |
| B. | Creatine |
| C. | Urea |
| D. | None of the above |
| Answer» B. Creatine | |
| 38. |
Which of the following is a precursor of protoporphyrin_______________? |
| A. | Alanine |
| B. | Leucine |
| C. | Histidine |
| D. | Glycine |
| Answer» E. | |
| 39. |
Which of the following is a phospholipid________________? |
| A. | Glycogen |
| B. | Sphingomyelin |
| C. | Prostaglandin |
| D. | Oleic acid |
| Answer» C. Prostaglandin | |
| 40. |
Which of the following is a non-reducing sugar____________? |
| A. | Glucose |
| B. | Maltose |
| C. | Lactose |
| D. | Sucrose |
| Answer» E. | |
| 41. |
Which of the following is a membrane bound enzyme that catalyzes the formation of cyclic AMP from ATP ? |
| A. | Tyrosine kinase |
| B. | Polymerase |
| C. | ATP synthase |
| D. | Adenylate cyclase |
| Answer» E. | |
| 42. |
Which of the following is a function of the golgi apparatus ? |
| A. | Modification of proteins |
| B. | m RNA synthesis |
| C. | Protein storage |
| D. | t RNA synthesis |
| Answer» B. m RNA synthesis | |
| 43. |
Which of the following is a derived a derived protein_____________? |
| A. | Protamines |
| B. | Peptones |
| C. | Prolamines |
| D. | Lactalbumin |
| Answer» C. Prolamines | |
| 44. |
Which of the following has a ketogenic effect on livers______________? |
| A. | Insulin |
| B. | Glucagon |
| C. | GH |
| D. | Androgen |
| Answer» C. GH | |
| 45. |
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 |
| Answer» C. Palmitic Oleic and arachidonic | |
| 46. |
Which of the following factors delay wound healing____________? |
| A. | Vitamin B12 deficiency |
| B. | Ascorbic acid deficiency |
| C. | Infection |
| D. | B & C option |
| Answer» E. | |
| 47. |
Which of the following enzymes use NADP as coenzyme ________________? |
| A. | Glyceraldehyde 3 phosphate dehydrogenase |
| B. | Lactate dehydrogenase |
| C. | Glucose 6-Phosphate dehydrogenase |
| D. | Beta hydroxy acyl CoA dehydrogenase |
| Answer» D. Beta hydroxy acyl CoA dehydrogenase | |
| 48. |
Which of the following combination is correct ? |
| A. | Thiamine – Acyl CoA |
| B. | Biotin-CO2 |
| C. | ATP-Hydrogen |
| D. | All of the above |
| Answer» E. | |
| 49. |
Which of the following are the sources of Vit C_________________? |
| A. | Apple |
| B. | Fresh green vegetables |
| C. | Citrus fruits |
| D. | Both B and C |
| Answer» E. | |
| 50. |
Which of the following amino acids is quickly converted to tyrosine ? |
| A. | Arginine |
| B. | Glycine |
| C. | Phenylalanine |
| D. | Leucine |
| Answer» D. Leucine | |