Medical MCQs

Option A: Lysine

Option B: Histidine

Option C: Tyrosine

Option D: Proline

Correct Answer: Proline ✔

Option A: Protein synthesis

Option B: Protein degradation

Option C: Protein denaturation

Option D: Protein folding

Correct Answer: Protein folding ✔

Option A: 5- Hydroxy indole acetate

Option B: 3- Hydroxy phenyl pyruvate

Option C: Phenyl lactate

Option D: Phenyl acetate

Correct Answer: 5- Hydroxy indole acetate ✔

Option A: Brain

Option B: Kidney

Option C: Liver

Option D: Intestine

Correct Answer: Liver ✔

Option A: Cerruloplasmin

Option B: Transferrin

Option C: Transcobalamine

Option D: Haptoglobulin

Correct Answer: Haptoglobulin ✔

Option A: Hb has 2 polypeptide chains

Option B: Iron is present in ferrous state

Option C: Hb structurally similar to myoglobin

Option D: Ferrous ions are in porphyrin rings

Correct Answer: Hb has 2 polypeptide chains ✔

Option A: Sulphydryl group

Option B: Carboxy terminal

Option C: Amino terminal

Option D: Histidine

Correct Answer: Amino terminal ✔

Option A: Leucine

Option B: Histidine

Option C: Isoleucine

Option D: Valine

Correct Answer: Histidine ✔

Option A: Urease

Option B: Uricase

Option C: Arginase

Option D: Glutaminase

Correct Answer: Arginase ✔

Option A: Barfoed test

Option B: Hay’s test

Option C: Boiling test

Option D: Ehrlich’s test

Correct Answer: Boiling test ✔

Option A: Aspartate

Option B: Succinate

Option C: Ornithine

Option D: Fumarate

Correct Answer: Fumarate ✔

Option A: Cystine

Option B: Ornithine

Option C: Arginine

Option D: Lysine

Correct Answer: All of the above ✔

Option A: Histidine

Option B: Cystine

Option C: Tyrosine

Option D: Alanine

Correct Answer: Tyrosine ✔

Option A: Prolamines

Option B: Albumin

Option C: Globulin

Option D: Myosin

Correct Answer: Myosin ✔

Option A: Proline

Option B: Phenylalanine

Option C: Isoleucine

Option D: Leucine

Correct Answer: Leucine ✔

Option A: Glutamate and glycine

Option B: Alanine and glycine

Option C: Proline and glycine

Option D: Glutamate and proline

Correct Answer: Proline and glycine ✔

Option A: Amylase

Option B: Sucrase

Option C: Chymotrypsin

Option D: Pepsin

Correct Answer: Pepsin ✔

Option A: Triacyl glycerol

Option B: Proteins

Option C: Glucose

Option D: Lipids

Correct Answer: Proteins ✔

Option A: Parahydroxy phenyl pyruvate Hydroxylase

Option B: Tyrosine transaminase

Option C: Homogentisate oxidase

Option D: Tyrosine oxidase

Correct Answer: Homogentisate oxidase ✔

Option A: Glycine

Option B: Hydroxy proline

Option C: Glutamic acid

Option D: Choline

Correct Answer: Choline ✔

Option A: Phenylalanine

Option B: Tryptophan

Option C: Tyrosine

Option D: Methionine

Correct Answer: Tyrosine ✔

Option A: Glycine

Option B: Leucine

Option C: Lycie

Option D: Valine

Correct Answer: Glycine ✔

Option A: Phenylalanine, Tryptophan lysine

Option B: Phenylalanine, Arginine Methinonine

Option C: Phenylalanine, Valine, Glycine

Option D: Histidine, Glutamine, Valine

Correct Answer: Phenylalanine, Tryptophan lysine ✔

Option A: Mutation

Option B: Translation

Option C: Transcription

Option D: Conjugation

Correct Answer: Translation ✔

Option A: Phenylalanine

Option B: Proline

Option C: Tryptophan

Option D: Threonine

Correct Answer: Proline ✔

Option A: Tyrosine

Option B: Valine

Option C: Methionine

Option D: Cystine

Correct Answer: Tyrosine ✔

Option A: Arginine

Option B: Glycine

Option C: Phenylalanine

Option D: Phenylalanine, Glycine

Correct Answer: Phenylalanine ✔

Option A: Leucine

Option B: Isoleucine

Option C: Valine

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Tryptophan

Option B: Valine

Option C: Methionine

Option D: Histidine

Correct Answer: Tryptophan ✔

Option A: Protein

Option B: Fat

Option C: Carbohydrate

Option D: None of the above

Correct Answer: Protein ✔

Option A: Simple

Option B: Peptones

Option C: Prolamines

Option D: Lactalbumin

Correct Answer: Simple ✔

Option A: H2 bond

Option B: Hydrophobic

Option C: Ionic bond

Option D: Disulphide bond

Correct Answer: None of the above ✔

Option A: Maturation of procollagen

Option B: Formation of osteoid matrix

Option C: Calcification of osteoid

Option D: Both A and B

Correct Answer: Both A and B ✔

Option A: Vitamin C

Option B: Vitamin B complex

Option C: Iron

Option D: Calcium

Correct Answer: Vitamin C ✔

Option A: VIII a and V a

Option B: VIII a

Option C: V a

Option D: None of the above

Correct Answer: VIII a and V a ✔

Option A: Fracastorius

Option B: James lind

Option C: John snow

Option D: Edward Jenner

Correct Answer: James lind ✔

Option A: Perleche

Option B: Beri beri

Option C: Pellagra

Option D: Nyctalopia

Correct Answer: Pellagra ✔

Option A: Pyruvate carboxylase

Option B: Lactate dehydrogenase

Option C: Succinate thiokinase

Option D: Phosphohexose isomerase

Correct Answer: Pyruvate carboxylase ✔

Option A: Hemolytic anemia

Option B: Posterior column abnormalities

Option C: Cerebellar ataxia

Option D: Autonomic dysfunctions

Correct Answer: Autonomic dysfunctions ✔

Option A: The synthesis of clotting factors

Option B: Post translational modifications

Option C: Antioxidant mechanisms

Option D: The microsomal hydroxylation reactions

Correct Answer: Post translational modifications ✔

Option A: Thiamine levels in blood

Option B: Alkaline phosphatase levels in blood

Option C: Transketolase activity in RBC

Option D: Plasma pyruvate and lactic acid levels

Correct Answer: Transketolase activity in RBC ✔

Option A: Extrinsic factor of castle

Option B: Intrinsic factor of castle

Option C: Cyano cobalamine

Option D: A fat soluble vitamin

Correct Answer: Extrinsic factor of castle ✔

Option A: N-methyl nicotinamide

Option B: Riboflavin

Option C: PRPP

Option D: Tryptophan

Correct Answer: Tryptophan ✔

Option A: Riboflavin

Option B: Biotin

Option C: Thiamine

Option D: Pyridoxine

Correct Answer: Biotin ✔

Option A: Pyridoxine

Option B: Vit E

Option C: Vit A

Option D: Pantothenic acid

Correct Answer: Pyridoxine ✔

Option A: Defective collagen synthesis

Option B: Soft swollen gums

Option C: Pigeon chest

Option D: Subcutaneous & other hemorrhage

Correct Answer: Pigeon chest ✔

Option A: Vitamin K

Option B: Vitamin B6

Option C: Vitamin folic acid

Option D: Niacin

Correct Answer: Vitamin folic acid ✔

Option A: Biotin

Option B: Niacin

Option C: Thiamine

Option D: Phylloquinone

Correct Answer: Biotin ✔

Option A: Apple

Option B: Fresh green vegetables

Option C: Citrus fruits

Option D: Both B and C

Correct Answer: Both B and C ✔

Option A: Redox reactions

Option B: Transamination reaction

Option C: Methyl group transfer

Option D: Amine group transfer

Correct Answer: Redox reactions ✔

Option A: Vit A

Option B: Vit C

Option C: Vit B2

Option D: Vit D

Correct Answer: Vit C ✔

Option A: Thiamine

Option B: Riboflavin

Option C: Niacin

Option D: Folic acid

Correct Answer: Riboflavin ✔

Option A: Tyrosine

Option B: Tryptophan

Option C: Threonine

Option D: Histidine

Correct Answer: Tryptophan ✔

Option A: Biotin

Option B: Pyridoxine

Option C: Pantothenic acid

Option D: Niacin

Correct Answer: Pantothenic acid ✔

Option A: Milk

Option B: Cabbage

Option C: Guava

Option D: Radish

Correct Answer: Milk ✔

Option A: Vit B1 deficiency

Option B: Vit B12 deficiency

Option C: Vit C deficiency

Option D: Vit D deficiency

Correct Answer: Vit B12 deficiency ✔

Option A: Niacin

Option B: Thiamine

Option C: Ascorbic acid

Option D: Folic acid

Correct Answer: Folic acid ✔

Option A: 30 – 40 mg

Option B: 50 – 60 mg

Option C: 60 – 100 mg

Option D: 100 – 150 mg

Correct Answer: B. 50 – 60 mg ✔

Option A: Vitamin A deficiency

Option B: Vitamin D deficiency

Option C: Vitamin C deficiency

Option D: Vitamin K deficiency

Correct Answer: Vitamin A deficiency ✔

Option A: Vitamin B12 deficiency

Option B: Ascorbic acid deficiency

Option C: Infection

Option D: B & C option

Correct Answer: B & C option ✔

Option A: Is a reducing agent

Option B: Decrease iron absorption

Option C: Is harmless in high doses

Option D: Is requirement for lysyl oxidase

Correct Answer: Is a reducing agent ✔

Option A: Vitamin A

Option B: Vitamin E

Option C: Vitamin K

Option D: Vitamin D

Correct Answer: Vitamin E ✔

Option A: Post transcription

Option B: Post translation

Option C: Golgi complex

Option D: Endoplasmic reticulum

Correct Answer: Post translation ✔

Option A: Its active form is calcitriol

Option B: Increase calcium absorption from the intestines

Option C: Its deficiency results in rickets

Option D: Its decrease cause phosphate reabsorption from the kidneys

Correct Answer: Its decrease cause phosphate reabsorption from the kidneys ✔

Option A: Methyl B12

Option B: Hydroxy B12

Option C: Cyano cobalamine

Option D: None of the above

Correct Answer: Methyl B12 ✔

Option A: Riboflavin

Option B: Thiamine

Option C: Pyridoxine

Option D: Pantothenic acid

Correct Answer: Pyridoxine ✔

Option A: Eye

Option B: Kidneys

Option C: Testes

Option D: Adrenal cortex

Correct Answer: Adrenal cortex ✔

Option A: Folic acid

Option B: Niacinamide

Option C: Pyridoxine

Option D: Cyano cobolamine

Correct Answer: Pyridoxine ✔

Option A: Vit E

Option B: Folic acid

Option C: Thiamine

Option D: Cobalamine

Correct Answer: Folic acid ✔

Option A: B6 ad B12

Option B: B12 and nicotinamie

Option C: Folic acid and B6

Option D: Folic acid and B12

Correct Answer: Folic acid and B6 ✔

Option A: Chromium

Option B: Iron

Option C: Iodine

Option D: Selenium

Correct Answer: Selenium ✔

Option A: night blindness

Option B: bitot’s spots

Option C: xerostomia

Option D: conjunctival xeroses

Correct Answer: conjunctival xeroses ✔

Option A: Absorption requires bile pigments

Option B: Synthesis is regulated at the reaction catalyzed by 15-hydroxylase

Option C: Deficiency on adults leads to rickets

Option D: Along with PTH, increases calcium resorption from bone

Correct Answer: Along with PTH, increases calcium resorption from bone ✔

Option A: It is required for the process of transmination

Option B: It is co-factor in oxidative reduction

Option C: It is co-enzyme for transketolase in pentose phosphate pathway

Option D: It is co-enzyme for pyruvate dehydrogenase

Correct Answer: It is co-enzyme for pyruvate dehydrogenase ✔

Option A: 1 unit of Vitamin A

Option B: 2 unit of Vitamin A

Option C: 3 unit of Vitamin A

Option D: 4 unit of Vitamin A

Correct Answer: 2 unit of Vitamin A ✔

Option A: Cold liver oil

Option B: Fish liver oil

Option C: Wheat germ oil

Option D: Liver

Correct Answer: Wheat germ oil ✔

Option A: Is water soluble

Option B: Deficiency causes impaired vision

Option C: Maintains normal plasma calcium levels

Option D: Is required for formation of clotting factors

Correct Answer: Deficiency causes impaired vision ✔

Option A: Isocitrate dehydrogenase

Option B: Homocyteine methyl transferase

Option C: Glycogen synthase

Option D: G-6-P dehydrogenase

Correct Answer: Homocyteine methyl transferase ✔

Option A: Painful swollen gums

Option B: Abnormal Collagen

Option C: Anaemia

Option D: Diarrhoea

Correct Answer: Diarrhoea ✔

Option A: Stomach

Option B: Terminal ileum

Option C: Lower jejunum

Option D: Proximal ileum

Correct Answer: Terminal ileum ✔

Option A: Biotin – carboxylated biotin

Option B: Vitamin B – ATP

Option C: Niacin – NAD+NADP

Option D: Vitamin B2 – FMN+FAC

Correct Answer: B. Vitamin B – ATP ✔

Option A: II

Option B: VII

Option C: IX

Option D: X

Correct Answer: All of the above ✔

Option A: Pyruvate to acetyl CoA

Option B: Citrate to alpha ketoglutarate

Option C: Succinyl CoA to fumarate

Option D: None of the above

Correct Answer: Pyruvate to acetyl CoA ✔

Option A: Low platelet count

Option B: Increased prothrombin time

Option C: Decreased prothrombin time

Option D: None of the above

Correct Answer: Increased prothrombin time ✔

Option A: Selenium

Option B: Cobalt

Option C: Iron

Option D: Calcium

Correct Answer: Cobalt ✔

Option A: Fat

Option B: Amino acids

Option C: Calcium

Option D: Glucose

Correct Answer: Fat ✔

Option A: Thiamin

Option B: Riboflavin

Option C: Niacin

Option D: Pyridoxine

Correct Answer: Niacin ✔

Option A: Retinol

Option B: Retinal

Option C: Retinoic acid

Option D: All of the above

Correct Answer: All of the above ✔

Option A: 1000 I.U

Option B: 2000 I.U

Option C: 3000 I.U

Option D: 4000 I.U

Correct Answer: 4000 I.U ✔

Option A: Vitamin A

Option B: Vitamin C

Option C: Vitamin B

Option D: Vitamin D

Correct Answer: Vitamin C ✔

Option A: Beri-beri

Option B: Pellagra

Option C: Night blindness

Option D: Pernicious anemia

Correct Answer: Pellagra ✔

Option A: Pantothenic acid

Option B: Nicotinic acid

Option C: Ascorbic acid

Option D: Folic acid

Correct Answer: Ascorbic acid ✔

Option A: Riboflavin

Option B: Pyridoxine

Option C: Niacin

Option D: Pantothenic acid

Correct Answer: Niacin ✔

Option A: Vitamin D deficiency

Option B: Rickets

Option C: Vitamin A deficiency

Option D: Scurvy

Correct Answer: Vitamin A deficiency ✔

Option A: Helps in formation of prothrombin

Option B: Inhibition of antithrombin

Option C: Prevention of capillary fragility

Option D: Stimulation of hematopoiesis in red bone marrow

Correct Answer: Helps in formation of prothrombin ✔

Option A: Corticosteroids

Option B: Thrombin formation

Option C: Bishydroxy coumarin

Option D: Production of clotting factors by liver

Correct Answer: Bishydroxy coumarin ✔

Option A: Night blindness

Option B: Xerophthalmia

Option C: Keratosis

Option D: Phophoric calciuria

Correct Answer: Phophoric calciuria ✔

Option A: Folic acid

Option B: Ascorbic acid

Option C: Biotin

Option D: Para amino benzoic acid

Correct Answer: Ascorbic acid ✔

Option A: 1 dihydroxy cholecalciferol

Option B: 25 hydroxy cholecalciferol

Option C: 1,25 dihydroxy cholecalciferol

Option D: 7 dihydroxy calciferol

Correct Answer: 1,25 dihydroxy cholecalciferol ✔

Option A: Night blindness

Option B: Corneal dryness

Option C: Bitot’s spots

Option D: Myopia

Correct Answer: Myopia ✔