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.
| 401. |
An enzyme not involved in glycolysis is______________? |
| A. | Enolase |
| B. | Phosphoglycero mutase |
| C. | Aldolase |
| D. | Glycerophosphate dehydrogenase |
| Answer» E. | |
| 402. |
Ammonia produced by brain is trapped as_____________? |
| A. | Urea |
| B. | Uric Acid |
| C. | Creatinine |
| D. | Glutamine |
| Answer» E. | |
| 403. |
Ammonia is detoxified in liver to form____________? |
| A. | Uric acid |
| B. | Glutamine |
| C. | Creatinine |
| D. | Urea |
| Answer» E. | |
| 404. |
Amino acids excreted in the urine in cystinosis______________? |
| A. | Cystine |
| B. | Ornithine |
| C. | Arginine |
| D. | Lysine |
| E. | All of the above |
| Answer» F. | |
| 405. |
All these reactions take place inside the mitochondria except____________? |
| A. | EMP pathway |
| B. | Krebs cylce |
| C. | Urea cycle |
| D. | Electron transfer |
| Answer» B. Krebs cylce | |
| 406. |
All of the following are true about manifestations of vitamin E deficiency except_____________? |
| A. | Hemolytic anemia |
| B. | Posterior column abnormalities |
| C. | Cerebellar ataxia |
| D. | Autonomic dysfunctions |
| Answer» E. | |
| 407. |
All of the following are substrates for gluconeogenesis except_______________? |
| A. | Alanine |
| B. | Oleic acid |
| C. | Glycerol |
| D. | Tryptophan |
| Answer» C. Glycerol | |
| 408. |
All of the following are globular proteins except_______________? |
| A. | Prolamines |
| B. | Albumin |
| C. | Globulin |
| D. | Myosin |
| Answer» E. | |
| 409. |
All are true regarding glucose 6 phosphate deficiency except______________? |
| A. | Hyperuricemia |
| B. | Hyperglycemia |
| C. | Defective cori cycle |
| D. | Increased mobilization of glycogen from liver |
| Answer» C. Defective cori cycle | |
| 410. |
All are true of the genetic code except____________? |
| A. | Degenerate |
| B. | Universal |
| C. | Punctuation |
| D. | Non overlapping |
| Answer» D. Non overlapping | |
| 411. |
All are true about glutathione except ? |
| A. | It is a tripetide |
| B. | It converts hemoglobin to methemoglobin |
| C. | It conjugates xenobiotics |
| D. | It scavenges free radicals and superoxide ions |
| Answer» C. It conjugates xenobiotics | |
| 412. |
All are genetic amino acid deficiency disease except___________? |
| A. | Phenyl ketonuria |
| B. | Alkaptonuria |
| C. | Homocystinuria |
| D. | 6alactosemia |
| Answer» E. | |
| 413. |
All are components of basement membrane except________________? |
| A. | nidogen |
| B. | Laminin |
| C. | Eutactin |
| D. | Rhodopsin |
| Answer» E. | |
| 414. |
All are derived of cholesterol except________________? |
| A. | Chenodeoxy cholic acid |
| B. | Glycocholic acid |
| C. | Testosterone |
| D. | Cholecystokinin |
| Answer» E. | |
| 415. |
Alkaptonuria an inherited metabolic disorder is due to the deficiency of____________? |
| A. | Homogentisate oxidase |
| B. | Cystathionase |
| C. | Pheylalanine hydroxylase |
| D. | Tyrosine transaminase |
| Answer» B. Cystathionase | |
| 416. |
Alkaptonuria, an inherited metabolic disorder of L0tyrosine metabolism is due to lack of_____________? |
| A. | Parahydroxy phenyl pyruvate Hydroxylase |
| B. | Tyrosine transaminase |
| C. | Homogentisate oxidase |
| D. | Tyrosine oxidase |
| Answer» D. Tyrosine oxidase | |
| 417. |
Albumins and globulins are ________ proteins? |
| A. | Simple |
| B. | Peptones |
| C. | Prolamines |
| D. | Lactalbumin |
| Answer» B. Peptones | |
| 418. |
ALbumin is synthesized by_____________? |
| A. | Liver |
| B. | Kidney |
| C. | Muscle |
| D. | Spleen |
| Answer» B. Kidney | |
| 419. |
Albinism is a genetic disease that results in incomplete metabolism of______________? |
| A. | Histidine |
| B. | Cystine |
| C. | Tyrosine |
| D. | Alanine |
| Answer» D. Alanine | |
| 420. |
Adrenaline acts on which enzyme in glycogenolysis ? |
| A. | Glucokinase |
| B. | Hexokinase |
| C. | Phosphorylase |
| D. | Glucose diphosphatase |
| Answer» D. Glucose diphosphatase | |
| 421. |
Adipose tissue releases free fatty acids in the________________? |
| A. | Fasting state |
| B. | Resting state |
| C. | Active state |
| D. | All of the above |
| Answer» B. Resting state | |
| 422. |
Active form of vitamin D in kidney is_____________? |
| A. | 1 dihydroxy cholecalciferol |
| B. | 25 hydroxy cholecalciferol |
| C. | 1,25 dihydroxy cholecalciferol |
| D. | 7 dihydroxy calciferol |
| Answer» D. 7 dihydroxy calciferol | |
| 423. |
Acetyl CoA is produced from which fuel sources_____________? |
| A. | Carbohydrate |
| B. | Lipid |
| C. | Amino acids |
| D. | All of the above |
| Answer» E. | |
| 424. |
Acetyl Co-A acts as a substrate for all the enzymes except______________? |
| A. | HMG-Co A synthase |
| B. | Malic enzyme |
| C. | Malonyl CoA synthetase |
| D. | Fatty acid synthetase |
| Answer» C. Malonyl CoA synthetase | |
| 425. |
Absorption of vitamin K requires normal absorption of_________________? |
| A. | Fat |
| B. | Amino acids |
| C. | Calcium |
| D. | Glucose |
| Answer» B. Amino acids | |
| 426. |
A small Ca+2 binding protein that modifies the activity of many enzymes and other proteins in response to changes of Ca+2 concentration is known as______________? |
| A. | Cycline |
| B. | Calmodulin |
| C. | Collagen |
| D. | Kinesin |
| Answer» C. Collagen | |
| 427. |
A relatively component of the electron transporting respiratory chain is_____________? |
| A. | Flavoprotein |
| B. | Cytochrome Cl |
| C. | Ubiquinone |
| D. | Cytochrome A |
| Answer» D. Cytochrome A | |
| 428. |
A patient with chronic renal failure and bone pains will have deficiency of which vitamin_____________? |
| A. | Vitamin A |
| B. | Vitamin B |
| C. | Vitamin C |
| D. | Vitamin D |
| Answer» E. | |
| 429. |
A patient of type 2 diabetes mellitus is given nutrition rich in________________? |
| A. | Proteins |
| B. | Carbohydrates |
| C. | Fat |
| D. | Fibre rich diet |
| Answer» E. | |
| 430. |
A mutation that converts an amino acid codon to a stop codon is a_____________? |
| A. | Nonsense mutation |
| B. | Transversion |
| C. | Silent mutation |
| D. | Frame shift mutation |
| Answer» B. Transversion | |
| 431. |
A material that speeds up a chemical reaction without chemically becoming involved is called_____________? |
| A. | A solvent |
| B. | A base |
| C. | A catalyst |
| D. | Thermoplastic |
| Answer» D. Thermoplastic | |
| 432. |
A fatty acid that is not synthesized in man is_____________? |
| A. | Linoleic acid |
| B. | Oleic acid |
| C. | Palmitic acid |
| D. | Stearic acid |
| Answer» B. Oleic acid | |
| 433. |
A example of a preventive antioxidant is_______________? |
| A. | Catalase |
| B. | Tocopherol |
| C. | Superoxide dismutase |
| D. | Urate |
| Answer» B. Tocopherol | |
| 434. |
A balanced diet consists of______________? |
| A. | 20% proteins, 25% fats, 50% carbohydrates |
| B. | 20% proteins, 35% fats, 45% carbohydrates |
| C. | 25% proteins, 25% fats, 50% carbohydrates |
| D. | 35% proteins, 15% fats, 50% carbohydrates |
| Answer» B. 20% proteins, 35% fats, 45% carbohydrates | |
| 435. |
1st clinical sign of vitamin A deficiency is_____________? |
| A. | night blindness |
| B. | bitot’s spots |
| C. | xerostomia |
| D. | conjunctival xeroses |
| Answer» E. | |
| 436. |
1 molelcule of glucose forms _______ molecules of pyruvate? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |