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.
| 201. |
Pernicious anaemia occurs in___________? |
| A. | Vit B1 deficiency |
| B. | Vit B12 deficiency |
| C. | Vit C deficiency |
| D. | Vit D deficiency |
| Answer» C. Vit C deficiency | |
| 202. |
Peripheral neuropathy due to deficiency of vitamin is seen with_______________? |
| A. | Pyridoxine |
| B. | Vit E |
| C. | Vit A |
| D. | Pantothenic acid |
| Answer» B. Vit E | |
| 203. |
One of the following is not an amino acid______________? |
| A. | Glycine |
| B. | Hydroxy proline |
| C. | Glutamic acid |
| D. | Choline |
| Answer» E. | |
| 204. |
One of the following is nonessential amino acid______________? |
| A. | Tyrosine |
| B. | Valine |
| C. | Methionine |
| D. | Cystine |
| Answer» B. Valine | |
| 205. |
One of the earliest symptoms of Vit. A deficiency is________________? |
| A. | Nyctalopia |
| B. | Xerophthalmia |
| C. | Bitot’s spot |
| D. | Keratomalacia |
| Answer» B. Xerophthalmia | |
| 206. |
One molecule of B-carotene gives rise to______________? |
| A. | 1 unit of Vitamin A |
| B. | 2 unit of Vitamin A |
| C. | 3 unit of Vitamin A |
| D. | 4 unit of Vitamin A |
| Answer» C. 3 unit of Vitamin A | |
| 207. |
One molecule of acetyl Co-A gives rise to ________ ATP molecules? |
| A. | 2 |
| B. | 8 |
| C. | 12 |
| D. | 32 |
| Answer» D. 32 | |
| 208. |
On complete hydrolysis of DNA we will get all the following except______________? |
| A. | Deoxy pentose sugar |
| B. | Phosphoric acid |
| C. | Adenosine |
| D. | Purine bases |
| Answer» D. Purine bases | |
| 209. |
Oligosaccharide is________________? |
| A. | Glucose |
| B. | Gructose |
| C. | Maltose |
| D. | Dextrin |
| Answer» D. Dextrin | |
| 210. |
Of prime importance in the structure of flavoproteins is____________? |
| A. | Vit B6 |
| B. | Vit B2 |
| C. | Vit B1 |
| D. | Vit A |
| Answer» C. Vit B1 | |
| 211. |
Number of ATP molecules generated in the conversion of glycogen of lactate is_____________? |
| A. | 2 |
| B. | 36 |
| C. | 38 |
| D. | 32 |
| Answer» B. 36 | |
| 212. |
Normal serum calcium level is_______________? |
| A. | 4-6 mg/dl |
| B. | 9-11 mg/dl |
| C. | 19-21 mg/dl |
| D. | 20-30 mg/dl |
| Answer» C. 19-21 mg/dl | |
| 213. |
Normal serum alkaline phosphatase level is_____________? |
| A. | 100-400 Bodansky units |
| B. | 1000-4000 Bodansky units |
| C. | 0.1-0.4 Bodansky units |
| D. | 1-4 Bodansky units |
| Answer» E. | |
| 214. |
Normal level of serum phosphorous is_____________? |
| A. | 2.5 – 4.5 mgm% |
| B. | 7-9 mgm% |
| C. | 40-50 mgm% |
| D. | 1-2 mgm% |
| Answer» B. 7-9 mgm% | |
| 215. |
Normal blood PH is______________? |
| A. | 6.8 – 7.0 |
| B. | 7.0 – 7.12 |
| C. | 7.38 – 7.4 |
| D. | 7.7 – 8.0 |
| Answer» D. 7.7 – 8.0 | |
| 216. |
Normal blood bilirubin level is______________? |
| A. | 0.5 – 1 mg% |
| B. | 1 – 3 mg% |
| C. | 3 – 4 mg% |
| D. | 4 – 5.5 mg% |
| Answer» B. 1 – 3 mg% | |
| 217. |
Nor epinephrine is converted to epinephrine by______________? |
| A. | Dopamine hydroxylase |
| B. | Dopa decarboxylase |
| C. | O-methylation |
| D. | N-methylation |
| Answer» E. | |
| 218. |
Nonsense codons bring about__________________? |
| A. | Elongation of polypeptide chain |
| B. | Pre-translational modification of protein |
| C. | Initiation of protein synthesis |
| D. | Termination of protein synthesis |
| Answer» E. | |
| 219. |
Non polar lipid act as______________? |
| A. | Electrical insulators |
| B. | Irons |
| C. | Non electrical insulators |
| D. | Electrolytes |
| Answer» B. Irons | |
| 220. |
Non essential amino acids are not_____________? |
| A. | Used by the body |
| B. | Forming part of the proteins |
| C. | Required in the diet |
| D. | Absorbed in the intestines |
| Answer» D. Absorbed in the intestines | |
| 221. |
Niacin & riboflavin help in_____________? |
| A. | Redox reactions |
| B. | Transamination reaction |
| C. | Methyl group transfer |
| D. | Amine group transfer |
| Answer» B. Transamination reaction | |
| 222. |
NADPH is required for________________? |
| A. | Gluconeogenesis |
| B. | Glycolysis |
| C. | Fatty acid synthesis |
| D. | Glycogenolysis |
| Answer» D. Glycogenolysis | |
| 223. |
NADPH is generated by the action of____________? |
| A. | Glucose 6 phosphate dehydrogenase |
| B. | Glucose 1 phosphate dehydrogenase |
| C. | Glucose 1,6 diphosphate dehydrogenase |
| D. | All of the above |
| Answer» B. Glucose 1 phosphate dehydrogenase | |
| 224. |
Mutation in the oxidative enzymes (peroxisomes) could lead to_______________? |
| A. | Zellweger’s syndrome |
| B. | Gaucher’s disease |
| C. | Epidermolysis bullosa |
| D. | Leber’s neuropathy |
| Answer» B. Gaucher’s disease | |
| 225. |
Mutations are due to changes in_________________? |
| A. | DNA nucleotide sequence |
| B. | RNA nucleotide sequence |
| C. | Amino acid sequence of ribonuclease |
| D. | Cell walls |
| Answer» B. RNA nucleotide sequence | |
| 226. |
Muscle glycogen, which cannot contribute to blood glucose due to the absence of which enzymes ? |
| A. | Phosphoglutamase |
| B. | Branching enzyme |
| C. | Debranching enzyme |
| D. | Glucose-6-phosphotase |
| Answer» E. | |
| 227. |
Muscle glycogen cannot contribute directly to blood glucose level because___________? |
| A. | Muscle lacks glucose 6 phosphatase |
| B. | Muscle lacks phospho gluco isomerase |
| C. | Absence of glucokinase |
| D. | Muscle does not contain glycogen phosphorylase |
| Answer» B. Muscle lacks phospho gluco isomerase | |
| 228. |
Multiienzyme complex in human_______________? |
| A. | Fatty acid synthetase |
| B. | Malonyl CoA carboxylase |
| C. | Carbomoyl Phosphate synthetase |
| D. | Adenosine phospho ribosyl transferase |
| Answer» B. Malonyl CoA carboxylase | |
| 229. |
Most of vitamin B12 in the body is stored as_____________? |
| A. | Methyl B12 |
| B. | Hydroxy B12 |
| C. | Cyano cobalamine |
| D. | None of the above |
| Answer» B. Hydroxy B12 | |
| 230. |
Most lipogenic____________? |
| A. | Fructose |
| B. | Glucose |
| C. | Galactose |
| D. | Ribose |
| Answer» B. Glucose | |
| 231. |
Most importent compansatory mechanism in metabolic acidosis______________? |
| A. | Hyperventilation |
| B. | Increased NH3 excretion by kidneys |
| C. | Increased urinary phosphates |
| D. | Increased HCO3 Production |
| Answer» C. Increased urinary phosphates | |
| 232. |
Most common non protein nitrogenous fraction of blood_____________? |
| A. | Urea |
| B. | Uric acid |
| C. | Urobilinogen |
| D. | Creatinin |
| Answer» D. Creatinin | |
| 233. |
Mineral present in Vit B12 is_____________? |
| A. | Selenium |
| B. | Cobalt |
| C. | Iron |
| D. | Calcium |
| Answer» C. Iron | |
| 234. |
Michaelis-Menten hypothesis states that_____________? |
| A. | Rate of enzymatic reaction is independent of substrate concentration |
| B. | Rate of non enzymatic reaction is proportional to substrate concentration |
| C. | Km is the enzyme substrate complex association constant |
| D. | Enzyme- substrate complex formation is essential in enzymatic reaction |
| Answer» E. | |
| 235. |
Megnesium is needed for the activity of which enzymes ? |
| A. | Phosphatase |
| B. | Aldolase |
| C. | Dismutase |
| D. | ATPase |
| Answer» E. | |
| 236. |
McArdles disease is due to the deficiency of_____________? |
| A. | Glucose 1 phosphatase |
| B. | Glucose 1,6 phosphatase |
| C. | Glucose 6 phosphatase |
| D. | Myophosphorylase |
| Answer» E. | |
| 237. |
Mannose 6 phosphate containing freshly synthesized proteins are directed to_____________? |
| A. | Nucleus |
| B. | Lysosomes |
| C. | Mitochondria |
| D. | Golgi apparatus |
| Answer» C. Mitochondria | |
| 238. |
Malonyl aciduria is seen in deficiency of_____________? |
| A. | Pyridoxine |
| B. | B12 |
| C. | Folic acid |
| D. | Riboflavin |
| Answer» C. Folic acid | |
| 239. |
Major source of ammonia in the kidney is___________? |
| A. | Urea Aspartate |
| B. | Aspartate |
| C. | Glutamine |
| D. | Glutamate |
| Answer» E. | |
| 240. |
Major contribution towards gluconeogenesis is by____________? |
| A. | Lactate |
| B. | Glycerol |
| C. | Ketones |
| D. | Alanine |
| Answer» B. Glycerol | |
| 241. |
Lipid is required in the average diet because it________________? |
| A. | has a high caloric value |
| B. | Provides essential fatty acid |
| C. | aids in absorption of carbohydrates |
| D. | is necessary for storage of carbohydrates |
| Answer» C. aids in absorption of carbohydrates | |
| 242. |
Lipid from tissue is carried to liver by_____________? |
| A. | LDL |
| B. | VLDL |
| C. | HDL |
| D. | Chylomicrons |
| Answer» D. Chylomicrons | |
| 243. |
Limiting factory for fatty acid synthesis_________________? |
| A. | Aceto acetate synthetase |
| B. | Acyl transferase |
| C. | Acetyl CoA carboxylase |
| D. | Biotin |
| Answer» D. Biotin | |
| 244. |
Ligant for peroxisome proliferation activating receptor (PPAR) receptors, a group of nuclear hormone receptors that are involved in the regulation of genes related to glucose and lipid metabolism is_____________? |
| A. | Repaglinide |
| B. | Voglibose |
| C. | Exanatide |
| D. | Rosiglitgazone |
| Answer» E. | |
| 245. |
LDH has following number oflsoenzymes________________? |
| A. | 5 |
| B. | 3 |
| C. | 11 |
| D. | 2 |
| Answer» B. 3 | |
| 246. |
Lactate dehydrogenase is____________? |
| A. | Isozyme |
| B. | Coenzyme |
| C. | Antienzyme |
| D. | Zymogen |
| Answer» B. Coenzyme | |
| 247. |
Kreb’s cycle occurs in _________ conditions? |
| A. | Aerobic |
| B. | Anaerobic |
| C. | Microaerophilic |
| D. | Aerobic and anaerobic |
| Answer» B. Anaerobic | |
| 248. |
Kreb’s cycle does not occur in______________? |
| A. | Muscle |
| B. | RBC |
| C. | Heart |
| D. | All of the above |
| Answer» C. Heart | |
| 249. |
Km of an enzyme is_____________? |
| A. | Dissociation constant |
| B. | The normal physiological substrate concentration |
| C. | Substrate concentration at half maximal velocity |
| D. | Numerically identical for all isozymes that catalyses a given reaction |
| Answer» D. Numerically identical for all isozymes that catalyses a given reaction | |
| 250. |
Kinase requires_______________? |
| A. | MN++ |
| B. | Cu++ |
| C. | Mg++ |
| D. | Inorganic phosphate |
| Answer» D. Inorganic phosphate | |