Description : Pernicious anaemia in humans is caused by the deficiency of (a) Pyridoxine (Vitamin B6) (b) Cyanocobalamin (Vitamin B12) (c) Thiamine (Vitamin B1) (d) Pantothenic acid (Vitamin B5)
Last Answer : Ans:(b)
Description : Cobamides contain a vitamin which is (A) Folic acid (B) Ascorbic acid (C) Pantothenic acid (D) Vitamin B12
Last Answer : Answer : D
Description : The three vitamins which are specially required for proper nerve functions are (A) Thiamine, Niacin and Riboflavin (B) Thiamin, Folic acid, Choline (C) Thiamine, Riboflavin, Pantothenic acid (D) Thiamine, Pyridoxin, Vitamin B12
Description : Methyl malonic aciduria is seen in a deficiency of (A) Vitamin B6 (B) Folic acid (C) Thiamine (D) Vitamin B12
Description : Methyl malonic aciduria is seen in the deficiency of (A) Vitamin B6 (B) Folic acid (C) Thiamine (D) Vitamin B12
Description : Cobalt is essential component of (A) Vitamin B1 (B) Vitamin B6 (C) Vitamin B12 (D) All of these
Last Answer : Answer : C
Description : Cobalt forms an integral part of the vitamin: (A) B1 (B) B6 (C) B12 (D) Folate
Description : Vitamin essential for transamination is (A) B1 (B) B2 (C) B6 (D) B12
Description : Vitamin used in the treatment of homocystinuria is (A) B1 (B) B5 (C) B12 (D) B6
Description : The vitamin required for carboxylation reaction is (A) Vitamin B2 (B) Vitamin B6 (C) Biotin (D) Vitamin B12
Description : Corrinoid coenzymes are coenzymes of (A) Vitamin B6 (B) Vitamin B12 (C) Vitamin B2 (D) Vitamin B1
Last Answer : Answer : B
Description : Corninoid coenzymes are coenzymes of (A) Vitamin B12 (B) Vitamin B6 (C) Vitamin B2 (D) Vitamin B1
Description : Epileptiform convulsion in human infants have been attributed to the deficiency of the vitamin (A) B1 (B) B2 (C) B6 (D) B12
Description : Pantothenic acid acts on (A) NADP (B) NADPH (C) FAD (D) CoA
Description : Which vitamin deficiency causes the disease, Pernicious anaemia? (1) Vitamin B5 (2) Vitamin B12 (3) Vitamin B6 (4) Vitamin C
Last Answer : (2) Vitamin B12 Explanation: Pernicious anemia is one of many types of the larger family of megaloblastic anemias. It is caused by loss of gastric parietal cells which are responsible, in ... secretion of intrinsic factor, a protein essential for subsequent absorption of vitamin B12 in the ileum.
Description : Which one of the following can be synthesized by Liver ----? A. Vitamin B6 B. Vitamin B12 C. Vitamin K (Answer) D. Vitamin E
Last Answer : C. Vitamin K (Answer)
Description : Which one of the following pairs is not correctly matched? (a) Vitamin C - Scurvy (b) Vitamin B2 - Pellagra (c) Vitamin B12 - Pernicious anaemia (d) Vitamin B6 - Beri-beri
Last Answer : (d) Vitamin B6 - Beri-beri
Description : Which one of the following pairs is not correctly matched? (a) Vitamin B12 - Pernicious anaemia (b) Vitamin B6 - Convulsions (c) Vitamin B1 - Beri-beri (d) Vitamin B2 - Pellagra
Last Answer : (d) Vitamin B2 - Pellagra
Description : Decrease in absorption of which of the following vitamins in the geriatric patient results in pernicious anemia? a) B12 Vitamin B12 requires the intrinsic factor secreted by the gastric mucosa for ... results in an inability to absorb calcium. d) B6 Vitamin B6 affects neuromuscular function.
Last Answer : a) B12 Vitamin B12 requires the intrinsic factor secreted by the gastric mucosa for absorption.
Description : Which vitamin deficiency causes the disease, Pernicious anaemia ? (1) Vitamin B5 (2) Vitamin B12 (3) Vitamin B6 (4) Vitamin C
Last Answer : Vitamin B12
Description : Histamine is formed from histidine by the enzyme histidine decarboxylase in the presence of (A) NAD (B) FMN (C) HS-CoA (D) B6-PO4
Description : In the biosynthesis of heme, condensation between succinyl CoA and glycine requires (A) NAD+ (B) FAD (C) NADH + H+ (D) B6-phosphate
Description : The metabolic reaction requiring vitamin B12 but not folate is: A. Conversion of malonic acid to succinic acid B. Conversion of homocysteine to methionine C. Conversion of serine to glycine D. Thymidylate synthesis
Last Answer : A. Conversion of malonic acid to succinic acid
Description : Vitamin deficiency that causes fatty liver includes all except (A) Vitamin E (B) Pyridoxine (C) Retionic acid (D) Pantothenic acid
Description : Coenzyme A contains the vitamin: (A) Riboflavin (B) Pantothenic acid (C) Pyridoxine (D) Thiamine
Description : Coenzyme A contains a vitamin which is (A) Thiamin (B) Ascorbic acid (C) Pantothenic acid (D) Niacinamide
Description : In fatty acids synthase of both bacteria and mammals, ACP (acyl carrier protein) contain the vitamin: (A) Thiamin (B) Pyridoxine (C) Riboflavin (D) Pantothenic acid
Description : The transketolase enzyme in the pentose phosphate pathway requires the B vitamin. (A) Pantothenic acid (B) Thiamin (C) Riboflavin (D) Nicotinic acid
Description : Sulpha drugs are antimetabolites of (A) PABA (B) Pyridoxin (C) Vitamin B2 (D) Pantothenic acid
Last Answer : Answer : A
Description : ‘Xanthurenic acid index’ is a reliable criterion for the deficiency of the vitamin (A) Pyridoxal (B) Thiamin (C) Pantothenic acid (D) Cobalamin
Description : The vitamin required as coenzyme for the action of transaminases is (A) Niacin (B) Pantothenic acid (C) Pyridoxal phosphate (D) Riboflavin
Description : The Vitamin which does not contain a ring in the structure is (A) Pantothenic acid (B) Vitamin D (C) Riboflavin (D) Thiamin
Description : Concentration of pyruvic acid and lactic acid in blood is increased due to deficiency of the vitamin (A) Thiamin (B) Riboflavin (C) Niacin (D) Pantothenic acid
Description : Acyl Carrier Protein contains the vitamin: (A) Biotin (B) Lipoic acid (C) Pantothenic acid (D) Folic acid
Description : Megaloblastic anemia is caused by the deficiency of (A) Folic acid (B) Vitamin B6 (C) Iron (D) Protein
Description : Vit. B complex (B1 , B2 , B12 ), B3 , B6 and Vit. C are
Last Answer : Ans. Water soluble vitamins
Description : Insulin regulates fatty acid synthesis by (A) Dephosphorylating of acetyl CoA carboxylase (B) Activating phosphorylase (C) Inhibiting malonyl CoA formation (D) Controlling carnitine-Acyl CoA transferase activity
Description : The enzyme regulating extramitochondrial fatty acid synthesis is (A) Thioesterase (B) Acetyl CoA carboxylase (C) Acyl transferase (D) Multi-enzyme complex
Description : A cofactor required for the conversion of acetyl-CoA to malonyl-CoA in extramitochondrial fatty acid synthesis is (A) Biotin (B) FMN (C) NAD (D) NADP
Description : Intermediate in the denovo synthesis of triacyl glycerols include all the following except (A) Fatty acyl CoA (B) CDP diacyl glycerol (C) Glycerol-3-phosphate (D) Lysophosphatidic acid
Description : Acetyl CoA required for extra mitochondrial fatty acid synthesis is produced by (A) Pyruvate dehydrogenase complex (B) Citrate lyase (C) Thiolase (D) Carnitine-acyl transferase
Description : In synthesis of Triglyceride from α-Glycero phosphate and acetyl CoA, the first intermediate formed is (A) β-diacyl glycerol (B) Acyl carnitine (C) Monoacyl glycerol(D) Phosphatidic acid
Description : All statements regarding 3-OH-3 methyl glutaryl CoA are true except (A) It is formed in the cytoplasm (B) Required in ketogenesis (C) Involved in synthesis of Fatty acid (D) An intermediate in cholesterol biosynthesis
Description : Which of the following cofactors or their derivatives must be present for the conversion of acetyl CoA to malonyl CoA extramitochondrial fatty acid synthesis? (A) Biotin (B) FAD (C) FMN (D) ACP
Description : For extramitochondrial fatty acid synthesis, acetyl CoA may be obtained from (A) Citrate (B) Isocitrate (C) Oxaloacetate (D) Succinate
Description : Acetyl CoA carboxylase regulates fatty acid synthesis by which of the following mechanism? (A) Allosteric regulation (B) Covalent modification (C) Induction and repression (D) All of these
Description : Acetyl CoA is not used for the synthesis of (A) Fatty acid (B) Cholesterol (C) Pyruvic acid (D) Citric acid
Last Answer : C
Description : Acetyl CoA from mitochondria is transferred to cytoplasm for the de novo synthesis of fatty acid, by which enzyme?
Last Answer : ATP citrate lyase.