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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.
| 301. |
Golgi bodies function are______________? |
| A. | Protein lipid synthesis |
| B. | Protein synthesis |
| C. | Sorting of glycoproteins |
| D. | None of the above |
| Answer» D. None of the above | |
| 302. |
Glycogen synthesis is increased by_____________? |
| A. | Cortisone |
| B. | Insulin |
| C. | GH |
| D. | Epinephrine |
| Answer» C. GH | |
| 303. |
Glycogen breakdown leads to formation of______________? |
| A. | Glucose |
| B. | Lactic acid |
| C. | Glucose & Lactic acid |
| D. | Glycoprotein |
| Answer» D. Glycoprotein | |
| 304. |
Glycine is present in____________? |
| A. | Hemoglobin |
| B. | Glutathione |
| C. | Purines |
| D. | Creatine |
| E. | All of the above |
| Answer» F. | |
| 305. |
Glycemic index of a starchy food is a measure of its________________? |
| A. | Energy |
| B. | Utility |
| C. | Collectivity |
| D. | None of the above |
| Answer» E. | |
| 306. |
Glutamine replaced by valine in sckle cell anaemia is characterized________________? |
| A. | Non Sense mutation of beta chain |
| B. | Missense mutation of beta chain |
| C. | Degradation of beta chain |
| D. | Deletion of beta chain |
| Answer» C. Degradation of beta chain | |
| 307. |
Glucose can be synthesized from all except_____________? |
| A. | Amino acids |
| B. | Glycerol |
| C. | Acetoacetate |
| D. | Lactic acid |
| Answer» D. Lactic acid | |
| 308. |
Glucose 6 phosphatase deficiency is seen in______________? |
| A. | Pomper’s disease |
| B. | Von Gierke’s disease |
| C. | McArdles syndrome |
| D. | Downs syndrome |
| Answer» C. McArdles syndrome | |
| 309. |
Gluconeogenesis occurs in the liver and _______? |
| A. | Kidney |
| B. | Muscle |
| C. | Heart |
| D. | Fat |
| Answer» B. Muscle | |
| 310. |
Genes are_____________? |
| A. | Ribonucleic acid |
| B. | Deoxy ribonucleic acid |
| C. | Lipoproteins |
| D. | Chromo proteins |
| Answer» C. Lipoproteins | |
| 311. |
Generation of free radicals occurs by all of the following mechanism EXCEPT_____________? |
| A. | Normal metabolism |
| B. | Oxygen toxicity |
| C. | Reperfusion after ischemic injury |
| D. | All of the above |
| Answer» D. All of the above | |
| 312. |
Galactosemia commonly is due to deficiency of_____________? |
| A. | Galactose 1 phosphatase uridyl transferase |
| B. | Galactose 1 phosphatase |
| C. | Glucose 1 phosphatase |
| D. | Glucose 6 phosphatase |
| Answer» B. Galactose 1 phosphatase | |
| 313. |
FSH, LH, TSH acts through_________________? |
| A. | Cyclic AMP |
| B. | Cyclic GMP |
| C. | Adenosine cyclate |
| D. | Calcium release |
| Answer» B. Cyclic GMP | |
| 314. |
Fructose intolerance is to_____________? |
| A. | Fructose only |
| B. | Fructose and glucose |
| C. | Sucrose only |
| D. | Fructose and sucrose |
| Answer» E. | |
| 315. |
Free radicals are chemical species which have______________? |
| A. | Single unpaired electron in an outer orbit |
| B. | Single paired electron in an outer orbit |
| C. | Double unpaired electron in an outer orbit |
| D. | Double paired electron in an outer orbit |
| Answer» B. Single paired electron in an outer orbit | |
| 316. |
Free radicals can be inactivated by the following enzymes EXCEPT__________________? |
| A. | Glutathione peroxidase |
| B. | Catalase |
| C. | Superoxide dismutase |
| D. | Myeloperoxidase |
| Answer» E. | |
| 317. |
Fraction of CPK is an enzyme that is elevated in a myocardial infarct is____________________? |
| A. | MM fraction |
| B. | MB fraction |
| C. | BB fraction |
| D. | Both MM and BB fraction |
| Answer» C. BB fraction | |
| 318. |
Following is non-essential amino acid_______________? |
| A. | Phenylalanine |
| B. | Proline |
| C. | Tryptophan |
| D. | Threonine |
| Answer» C. Tryptophan | |
| 319. |
Following are the essential amino acid______________? |
| A. | Phenylalanine, Tryptophan lysine |
| B. | Phenylalanine, Arginine Methinonine |
| C. | Phenylalanine, Valine, Glycine |
| D. | Histidine, Glutamine, Valine |
| Answer» B. Phenylalanine, Arginine Methinonine | |
| 320. |
FIGLU excretion test is to estimate deficiency of_______________? |
| A. | Vitamin K |
| B. | Vitamin B6 |
| C. | Vitamin folic acid |
| D. | Niacin |
| Answer» D. Niacin | |
| 321. |
Ferritin – an inactive form of iron is stored in_____________? |
| A. | Gut |
| B. | Spleen |
| C. | Liver |
| D. | All of the above |
| Answer» D. All of the above | |
| 322. |
Fatty aids help in synthesis of all except____________? |
| A. | Glucose |
| B. | Cholesterol |
| C. | Ketone bodies |
| D. | Fat |
| Answer» B. Cholesterol | |
| 323. |
Fatty acid oxidation occurs in______________? |
| A. | Cytoplasm |
| B. | Microsomes |
| C. | Mitochondria |
| D. | All of the above |
| Answer» D. All of the above | |
| 324. |
Fat provides ______% of body’s calories? |
| A. | 40% |
| B. | 30% |
| C. | 50% |
| D. | 75% |
| Answer» C. 50% | |
| 325. |
Fast soluble vitamins are_____________? |
| A. | A, B , D, K |
| B. | A, D. E, K |
| C. | A, B, E, K |
| D. | A, C, E, K |
| Answer» C. A, B, E, K | |
| 326. |
False statement about haemoglobin structure________________? |
| A. | Hb has 2 polypeptide chains |
| B. | Iron is present in ferrous state |
| C. | Hb structurally similar to myoglobin |
| D. | Ferrous ions are in porphyrin rings |
| Answer» B. Iron is present in ferrous state | |
| 327. |
Examples of monounsaturted fatty acids are______________? |
| A. | Oleic acid |
| B. | Arachitlonic acid |
| C. | Linolenic acid |
| D. | Palmitic acid |
| Answer» B. Arachitlonic acid | |
| 328. |
Enzymes stored in muscle is________________? |
| A. | Alkaline phosphatase |
| B. | SGOT |
| C. | SGPT |
| D. | CPK |
| Answer» E. | |
| 329. |
Enzymes involved in degradation of epinephrine_____________? |
| A. | Cholinesterase |
| B. | Anticholinesterases |
| C. | Catechol 0-transferase |
| D. | Oxidases |
| Answer» D. Oxidases | |
| 330. |
Enzymes increase reaction rates by______________? |
| A. | Altering the free energy of the action |
| B. | Inhibiting the backward reaction |
| C. | Enhancing the forward reaction |
| D. | Decreasing the energy of activation |
| Answer» E. | |
| 331. |
Enzymes help by____________? |
| A. | Lowering the activation energy |
| B. | Increasing the substrate concentration |
| C. | Decreasing the surface tension |
| D. | Increasing the activation energy |
| Answer» B. Increasing the substrate concentration | |
| 332. |
Enzymes concerned with the citric acid cycle are found in______________? |
| A. | Nucleus |
| B. | Mitochondria |
| C. | Ribosomes |
| D. | Non-particulate cytoplasm |
| Answer» C. Ribosomes | |
| 333. |
Enzymes concerned with the citric acid cycle are found in the____________? |
| A. | Nucleus |
| B. | Ribosomes |
| C. | Mitochondria |
| D. | Nonparticulate cytoplasm |
| Answer» D. Nonparticulate cytoplasm | |
| 334. |
Enzymes are classified according to_________________? |
| A. | Action on substrate |
| B. | Action of coenzymes |
| C. | Nature of the enzymes |
| D. | All of the above |
| Answer» B. Action of coenzymes | |
| 335. |
Enzyme that catalyses the transfer of a molecule group from one molecule to another is_____________? |
| A. | Oxidases |
| B. | Peptidases |
| C. | Transferases |
| D. | LIpases |
| Answer» D. LIpases | |
| 336. |
Enzyme regulating the conversion of ethanol to acetaldehyde________________? |
| A. | Alcohol dehydrogenase |
| B. | Acetaldehyde dehydrogenase |
| C. | Catalase |
| D. | Enolase |
| Answer» B. Acetaldehyde dehydrogenase | |
| 337. |
Enzyme + coenzyme constitutes_____________? |
| A. | Apoenzyme |
| B. | Proenzyme |
| C. | Protoenzyme |
| D. | Holoenzyme |
| Answer» E. | |
| 338. |
Endogenous triglycerides in plasma is maximally bound to________________? |
| A. | Chylomicrons |
| B. | LDL |
| C. | VLDL |
| D. | HDL |
| Answer» D. HDL | |
| 339. |
End product of purine metabolism is______________? |
| A. | Creatinine |
| B. | Uric acid |
| C. | Xanthine |
| D. | Phosphates |
| Answer» C. Xanthine | |
| 340. |
Elevated levels of serum glutamic oxaloacetic transaminase in indicative of______________? |
| A. | Deficiency of glutamic acid |
| B. | Deficiency of oxaloacetic acid |
| C. | Liver disease |
| D. | All of the above |
| Answer» D. All of the above | |
| 341. |
During phagocytosis, the metabolic process called respiratory burst involves the activation of_____________? |
| A. | Oxidase |
| B. | Hydrolase |
| C. | Peroxidase |
| D. | Dehydrogenase |
| Answer» B. Hydrolase | |
| 342. |
During phagocytosis the metabolic process called respiratory burst involves activation of_____________? |
| A. | Oxidase |
| B. | Hydrolase |
| C. | Peroxidase |
| D. | Dehydrogenase |
| Answer» B. Hydrolase | |
| 343. |
During conversion of glycerol to pyruvic acid, the first glycolytic intermediate to form is_______________? |
| A. | 2- phospho glyceric acid |
| B. | 3- phospho glyceric acid |
| C. | 3- phospho glyceralehyde |
| D. | Dihydroxy acetone phosphate |
| Answer» E. | |
| 344. |
DNA double helix is bound by_____________? |
| A. | Covalent bond |
| B. | Hydrogen bond |
| C. | Disulfide linkage |
| D. | Vander wall forces |
| Answer» C. Disulfide linkage | |
| 345. |
Digestion of proteins is initiated by________________? |
| A. | Amylase |
| B. | Sucrase |
| C. | Chymotrypsin |
| D. | Pepsin |
| Answer» E. | |
| 346. |
Dietary fibre is rich in_____________? |
| A. | Starch |
| B. | Cellulose |
| C. | Collagen |
| D. | Inulin |
| Answer» C. Collagen | |
| 347. |
Detoxification of drugs is controlled by_____________? |
| A. | Cytochrome |
| B. | Cytochrome P450 |
| C. | Cytochrome C |
| D. | Cytochrome A |
| Answer» C. Cytochrome C | |
| 348. |
Detoxification or protective synthesis occurs by____________? |
| A. | Oxidation |
| B. | Reduction |
| C. | Conjugation |
| D. | Any of the above |
| Answer» E. | |
| 349. |
Denaturation of double stranded DNA involves_______________? |
| A. | It gets broken down to nucleotides |
| B. | It becomes single stranded reversibly |
| C. | It becomes single stranded irreversibly |
| D. | It becomes double stranded irreversibly |
| Answer» C. It becomes single stranded irreversibly | |
| 350. |
Dehydrogenase used as coenzymes all of the following, except________________? |
| A. | FMN |
| B. | FAD |
| C. | NADP+ |
| D. | Ferro protoporphyrin |
| Answer» E. | |