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Biochemistry MCQs

Option A: Post transcription

Option B: Post translation

Option C: Golgi complex

Option D: Endoplasmic reticulum

Correct Answer: Post translation


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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


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Option A: Methyl B12

Option B: Hydroxy B12

Option C: Cyano cobalamine

Option D: None of the above

Correct Answer: Methyl B12


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Option A: Riboflavin

Option B: Thiamine

Option C: Pyridoxine

Option D: Pantothenic acid

Correct Answer: Pyridoxine


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Option A: Eye

Option B: Kidneys

Option C: Testes

Option D: Adrenal cortex

Correct Answer: Adrenal cortex


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Option A: Folic acid

Option B: Niacinamide

Option C: Pyridoxine

Option D: Cyano cobolamine

Correct Answer: Pyridoxine


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Option A: Vit E

Option B: Folic acid

Option C: Thiamine

Option D: Cobalamine

Correct Answer: Folic acid


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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


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Option A: Chromium

Option B: Iron

Option C: Iodine

Option D: Selenium

Correct Answer: Selenium


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Option A: night blindness

Option B: bitot’s spots

Option C: xerostomia

Option D: conjunctival xeroses

Correct Answer: conjunctival xeroses


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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


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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


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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


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Option A: Cold liver oil

Option B: Fish liver oil

Option C: Wheat germ oil

Option D: Liver

Correct Answer: Wheat germ oil


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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


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Option A: Isocitrate dehydrogenase

Option B: Homocyteine methyl transferase

Option C: Glycogen synthase

Option D: G-6-P dehydrogenase

Correct Answer: Homocyteine methyl transferase


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Option A: Painful swollen gums

Option B: Abnormal Collagen

Option C: Anaemia

Option D: Diarrhoea

Correct Answer: Diarrhoea


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Option A: Stomach

Option B: Terminal ileum

Option C: Lower jejunum

Option D: Proximal ileum

Correct Answer: Terminal ileum


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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


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Option A: II

Option B: VII

Option C: IX

Option D: X

Correct Answer: All of the above


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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


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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


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Option A: Selenium

Option B: Cobalt

Option C: Iron

Option D: Calcium

Correct Answer: Cobalt


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Option A: Fat

Option B: Amino acids

Option C: Calcium

Option D: Glucose

Correct Answer: Fat


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Option A: Thiamin

Option B: Riboflavin

Option C: Niacin

Option D: Pyridoxine

Correct Answer: Niacin


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Option A: Retinol

Option B: Retinal

Option C: Retinoic acid

Option D: All of the above

Correct Answer: All of the above


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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


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Option A: Vitamin A

Option B: Vitamin C

Option C: Vitamin B

Option D: Vitamin D

Correct Answer: Vitamin C


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Option A: Beri-beri

Option B: Pellagra

Option C: Night blindness

Option D: Pernicious anemia

Correct Answer: Pellagra


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Option A: Pantothenic acid

Option B: Nicotinic acid

Option C: Ascorbic acid

Option D: Folic acid

Correct Answer: Ascorbic acid


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Option A: Riboflavin

Option B: Pyridoxine

Option C: Niacin

Option D: Pantothenic acid

Correct Answer: Niacin


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Option A: Vitamin D deficiency

Option B: Rickets

Option C: Vitamin A deficiency

Option D: Scurvy

Correct Answer: Vitamin A deficiency


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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


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Option A: Corticosteroids

Option B: Thrombin formation

Option C: Bishydroxy coumarin

Option D: Production of clotting factors by liver

Correct Answer: Bishydroxy coumarin


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Option A: Night blindness

Option B: Xerophthalmia

Option C: Keratosis

Option D: Phophoric calciuria

Correct Answer: Phophoric calciuria


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Option A: Folic acid

Option B: Ascorbic acid

Option C: Biotin

Option D: Para amino benzoic acid

Correct Answer: Ascorbic acid


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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


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Option A: Night blindness

Option B: Corneal dryness

Option C: Bitot’s spots

Option D: Myopia

Correct Answer: Myopia


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Option A: A, B , D, K

Option B: A, D. E, K

Option C: A, B, E, K

Option D: A, C, E, K

Correct Answer: B. A, D. E, K


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Option A: Pellagra

Option B: Angular cheilitis

Option C: Megaloblastic anemia

Option D: Peripheral polyneuritis

Correct Answer: Peripheral polyneuritis


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Option A: Vitamin A

Option B: Vitamin B

Option C: Vitamin C

Option D: Vitamin D

Correct Answer: Vitamin D


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Option A: Thiamine

Option B: Pyridoxine

Option C: Ascorbic acid

Option D: Riboflavin

Correct Answer: Thiamine


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Option A: Folic acid

Option B: Pantothenic acid

Option C: Ascorbic acid

Option D: Aspartic acid

Correct Answer: Folic acid


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Option A: Pyridoxine

Option B: B12

Option C: Folic acid

Option D: Riboflavin

Correct Answer: B12


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Option A: Antioxidant

Option B: Anticoagulants

Option C: Provitamin

Option D: Antidotes for selenium poisoning

Correct Answer: Provitamin


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Option A: Vit B

Option B: Vit A

Option C: Vit D

Option D: Vit K

Correct Answer: Vit K


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Option A: Vit B6

Option B: Vit B2

Option C: Vit B1

Option D: Vit A

Correct Answer: Vit B2


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Option A: Vitamin D

Option B: Vitamin A

Option C: Vitamin B1

Option D: Vitamin C

Correct Answer: Vitamin D


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