Cobalt forms an integral part of the vitamin: (A) B1 (B) B6 (C) B12 (D) Folate

Cobalt forms an integral part of the vitamin: (A) B1 (B) B6 (C) B12 (D) Folate
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Answer : C
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Cobalt is essential component of (A) Vitamin B1 (B) Vitamin B6 (C) Vitamin B12 (D) All of these

Description : Cobalt is essential component of (A) Vitamin B1 (B) Vitamin B6 (C) Vitamin B12 (D) All of these

Last Answer : Answer : C

Vitamin essential for transamination is (A) B1 (B) B2 (C) B6 (D) B12

Description : Vitamin essential for transamination is (A) B1 (B) B2 (C) B6 (D) B12

Last Answer : Answer : C

Vitamin used in the treatment of homocystinuria is (A) B1 (B) B5 (C) B12 (D) B6

Description : Vitamin used in the treatment of homocystinuria is (A) B1 (B) B5 (C) B12 (D) B6

Last Answer : Answer : D

Corrinoid coenzymes are coenzymes of (A) Vitamin B6 (B) Vitamin B12 (C) Vitamin B2 (D) Vitamin B1

Description : Corrinoid coenzymes are coenzymes of (A) Vitamin B6 (B) Vitamin B12 (C) Vitamin B2 (D) Vitamin B1

Last Answer : Answer : B

Corninoid coenzymes are coenzymes of (A) Vitamin B12 (B) Vitamin B6 (C) Vitamin B2 (D) Vitamin B1

Description : Corninoid coenzymes are coenzymes of (A) Vitamin B12 (B) Vitamin B6 (C) Vitamin B2 (D) Vitamin B1

Last Answer : Answer : D

Epileptiform convulsion in human infants have been attributed to the deficiency of the vitamin (A) B1 (B) B2 (C) B6 (D) B12

Description : Epileptiform convulsion in human infants have been attributed to the deficiency of the vitamin (A) B1 (B) B2 (C) B6 (D) B12

Last Answer : Answer : C

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)

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)

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

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

The important part in the structure of flavoprotein is (A) Vitamin B6 (B) Vitamin B2 (C) Vitamin B1 (D) Vitamin A

Description : The important part in the structure of flavoprotein is (A) Vitamin B6 (B) Vitamin B2 (C) Vitamin B1 (D) Vitamin A

Last Answer : Answer : B

Vit. B complex (B1 , B2 , B12 ), B3 , B6 and Vit. C are

Description : Vit. B complex (B1 , B2 , B12 ), B3 , B6 and Vit. C are

Last Answer : Ans. Water soluble vitamins

Angular stomatitis is due to (A) Ariboflavinosis (B) Deficiency of Vitamin C (C) Deficiency of Vitamin B1 (D) Deficiency of folate

Description : Angular stomatitis is due to (A) Ariboflavinosis (B) Deficiency of Vitamin C (C) Deficiency of Vitamin B1 (D) Deficiency of folate

Last Answer : Answer : A

Angular stomatosis is due to (A) Ariboflavinoses (B) Deficiency of Vitamin C (C) Deficiency of Vitamin B1 (D) Deficiency of folate

Description : Angular stomatosis is due to (A) Ariboflavinoses (B) Deficiency of Vitamin C (C) Deficiency of Vitamin B1 (D) Deficiency of folate

Last Answer : Answer : B

Coenzymes FMN and FAD are derived from vitamin (A) C (B) B6 (C) B1 (D) B2

Description : Coenzymes FMN and FAD are derived from vitamin (A) C (B) B6 (C) B1 (D) B2

Last Answer : Answer : D

Antixerophthalmic vitamin is (A) Vitamin B1 (B) Vitamin B2 (C) Vitamin B6 (D) Vitamin A

Description : Antixerophthalmic vitamin is (A) Vitamin B1 (B) Vitamin B2 (C) Vitamin B6 (D) Vitamin A

Last Answer : Answer : D

Anti xerophthalmic vitamin is (A) Vitamin B1 (B) Vitamin B2 (C) Vitamin B6 (D) Vitamin A

Description : Anti xerophthalmic vitamin is (A) Vitamin B1 (B) Vitamin B2 (C) Vitamin B6 (D) Vitamin A

Last Answer : Answer : D

Corneal vascularisation is found in deficiency of the vitamin: (A) B1 (B) B2 (C) B3 (D) B6

Description : Corneal vascularisation is found in deficiency of the vitamin: (A) B1 (B) B2 (C) B3 (D) B6

Last Answer : Answer : B

Hydroxylation of Proline and Lysine in a protein is effected by (A) Vitamin B1 (B) Vitamin B2 (C) Vitamin B6 (D) Vitamin C

Description : Hydroxylation of Proline and Lysine in a protein is effected by (A) Vitamin B1 (B) Vitamin B2 (C) Vitamin B6 (D) Vitamin C

Last Answer : Answer : D

A hypochromic microcytic anemia with increased iron stores in the bone marrow may be (A) Iron responsive (B) Pyridoxine responsive (C) Vitamin B12 responsive (D) Folate responsive

Description : A hypochromic microcytic anemia with increased iron stores in the bone marrow may be (A) Iron responsive (B) Pyridoxine responsive (C) Vitamin B12 responsive (D) Folate responsive

Last Answer : Answer : B

Vitamin necessary for CoA synthesis: (A) Pantothenic acid (B) Vitamin C (C) B6 (D) B12

Description : Vitamin necessary for CoA synthesis: (A) Pantothenic acid (B) Vitamin C (C) B6 (D) B12

Last Answer : Answer : A

The vitamin required for carboxylation reaction is (A) Vitamin B2 (B) Vitamin B6 (C) Biotin (D) Vitamin B12

Description : The vitamin required for carboxylation reaction is (A) Vitamin B2 (B) Vitamin B6 (C) Biotin (D) Vitamin B12

Last Answer : Answer : C

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 a deficiency of (A) Vitamin B6 (B) Folic acid (C) Thiamine (D) Vitamin B12

Last Answer : Answer : D

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 a deficiency of (A) Vitamin B6 (B) Folic acid (C) Thiamine (D) Vitamin B12

Last Answer : Answer : D

Methyl malonic aciduria is seen in the 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

Last Answer : Answer : D

Cobamide coenzymes are (A) Vitamin B1 (B) Riboflavin (C) Pyridoxine (D) Vitamin B12

Description : Cobamide coenzymes are (A) Vitamin B1 (B) Riboflavin (C) Pyridoxine (D) Vitamin B12

Last Answer : Answer : D

Serum ferritin is a maker of Options: 1) Circulating Iron 2) Storage iron 3) Folate 4) Vitamin B12 Levels

Description : Serum ferritin is a maker of Options: 1) Circulating Iron 2) Storage iron 3) Folate 4) Vitamin B12 Levels

Last Answer : Correct Answer: 2) Storage iron

A patient of megaloblastic anaemia was treated with oral folic acid 5 mg daily. After 2 weeks he reported back with cognitive deficit, sensory disturbance, depressed knee jerk, while blood picture and haemoglobin level were improved. What could be the most likely explanation: A. Folic acid was not adequately absorbed resulting in partial response B. Folate therapy has precipitated vitamin B12 deficiency in the neural tissue C. Folate therapy has unmasked pyridoxine deficiency D. Patient has folate reductase abnormality in the nervous system

Description : A patient of megaloblastic anaemia was treated with oral folic acid 5 mg daily. After 2 weeks he reported back with cognitive deficit, sensory disturbance, depressed knee jerk, while ... therapy has unmasked pyridoxine deficiency D. Patient has folate reductase abnormality in the nervous system

Last Answer : D. Patient has folate reductase abnormality in the nervous system

Megaloblastic anaemia developing under the following condition is due entirely to folate deficiency not associated with vitamin B12 deficiency: A. Malnutrition B. Blind loop syndrome C. Phenytoin therapy D. Pregnancy

Description : Megaloblastic anaemia developing under the following condition is due entirely to folate deficiency not associated with vitamin B12 deficiency: A. Malnutrition B. Blind loop syndrome C. Phenytoin therapy D. Pregnancy

Last Answer : C. Phenytoin therapy

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

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

Cobalt is a constituent of (A) Folic acid (B) Vitamin B12 (C) Niacin (D) Biotin

Description : Cobalt is a constituent of (A) Folic acid (B) Vitamin B12 (C) Niacin (D) Biotin

Last Answer : Answer : B

Metal in Vitamin B12 is (A) Copper (B) Cobalt (C) Iron (D) Zinc

Description : Metal in Vitamin B12 is (A) Copper (B) Cobalt (C) Iron (D) Zinc

Last Answer : Answer : B

The central heavy metal cobalt of vitamin B12 is coordinately bound to (A) Cyanide group (B) Amino group (C) Carboxyl group (D) Sulphide group

Description : The central heavy metal cobalt of vitamin B12 is coordinately bound to (A) Cyanide group (B) Amino group (C) Carboxyl group (D) Sulphide group

Last Answer : Answer : A

Which vitamin deficiency causes the disease, Pernicious anaemia? (1) Vitamin B5 (2) Vitamin B12 (3) Vitamin B6 (4) Vitamin C

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.

Which one of the following can be synthesized by Liver ----? A. Vitamin B6 B. Vitamin B12 C. Vitamin K (Answer) D. Vitamin E

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)

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

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

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 absorption. b) C Lack of vitamin C may cause development of signs and symptoms of scurvy. c) D Vitamin D deficiency results in an inability to absorb calcium. d) B6 Vitamin B6 affects neuromuscular function.

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.

Which vitamin deficiency causes the disease, Pernicious anaemia ? (1) Vitamin B5 (2) Vitamin B12 (3) Vitamin B6 (4) Vitamin C

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

The disease Beni Beni is caused due to the deficiency of which of the following? (1) Vitamin B2 (2) Vitamin B1 (3) Vitamin B12 (4) Vitamin E

Description : The disease Beni Beni is caused due to the deficiency of which of the following? (1) Vitamin B2 (2) Vitamin B1 (3) Vitamin B12 (4) Vitamin E

Last Answer : (2) Vitamin B1 Explanation: Beriberi is a disease caused by a vitamin B1 (thiamine) deficiency. There are two types of the disease: wet beriberi and dry beriberi. Wet beriberi affects the heart ... -beri damages the nerves and can lead to a loss of muscle strength and eventually, muscle paralysis.

The disease Beri Beri is caused due to the deficiency of which of the following? (1) Vitamin B2 (2) Vitamin B1 (3) Vitamin B12 (4) Vitamin E

Description : The disease Beri Beri is caused due to the deficiency of which of the following? (1) Vitamin B2 (2) Vitamin B1 (3) Vitamin B12 (4) Vitamin E

Last Answer : (2) Vitamin B1 Explanation: Beriberi is a disease caused by a vitamin B1 (thiamine) deficiency. There are two types of the disease: wet beriberi and dry beriberi.

The haemorrhagic disease of new born is caused due to the deficiency of (a) vitamin K (b) vitamin B12 (c) vitamin A (d) vitamin B1.

Description : The haemorrhagic disease of new born is caused due to the deficiency of (a) vitamin K (b) vitamin B12 (c) vitamin A (d) vitamin B1.

Last Answer : (a) vitamin K

The disease Beri Beri is caused due to the deficiency of which of the following? (1) Vitamin B2 (2) Vitamin B1 (3) Vitamin B12 (4) Vitamin E

Description : The disease Beri Beri is caused due to the deficiency of which of the following? (1) Vitamin B2 (2) Vitamin B1 (3) Vitamin B12 (4) Vitamin E

Last Answer : Vitamin B1 

The metal ion present in vitamin B12 is (1) cobalt (2) zinc (3) nickel (4) iron

Description : The metal ion present in vitamin B12 is (1) cobalt (2) zinc (3) nickel (4) iron

Last Answer : (1) cobalt Explanation: The structure of B12 is based on a corrin ring, which is similar to the porphyrin ring found in heme, chlorophyll, and cytochrome. It contains the biochemically rare element cobalt sitting in the center of the ring. Also called cobalamin, it is a water-soluble vitamin.

The metal, which is a constituent of vitamin B12 is - (1) Iron (2) Magnesium (3) Zinc (4) Cobalt

Description : The metal, which is a constituent of vitamin B12 is - (1) Iron (2) Magnesium (3) Zinc (4) Cobalt

Last Answer : (4) Cobalt Explanation: Vitamin B12 is a "generic descriptor for compounds exhibiting the biologic activity of cyanocobalarnin: the antianemia factor of liver extract that contains cobalt, a cyano group ... lead to anemia, as well as nerve and brain damage, which may eventually become irreversible.

A vitamin requires cobalt for its activity. The vitamin is - (1) Vitamin B12 (2) Vitamin D (3) Vitamin B2 (4) Vitamin A

Description : A vitamin requires cobalt for its activity. The vitamin is - (1) Vitamin B12 (2) Vitamin D (3) Vitamin B2 (4) Vitamin A

Last Answer : (1) Vitamin B12 Explanation: Vitamin B12, vitamin B1, or vitamin B12, also called cobalarnin, is a watersoluble vitamin with a key role in the normal functioning of the brain and nervous ... compounds (vitamers), all of which have vitamin activity. It contains the biochemically rare element cobalt.

The presence of Cobalt in Vitamin B12 was established for the first time by – (1) Hydrolysis test (2) Spectroscopy (3) Borax-Bead test (4) Sodium Nitroprusside test

Description : The presence of Cobalt in Vitamin B12 was established for the first time by – (1) Hydrolysis test (2) Spectroscopy (3) Borax-Bead test (4) Sodium Nitroprusside test

Last Answer : (2) Spectroscopy Explanation: Atomic absorption spectroscopy is an analytical chemistry technique used for determining concentration of particular metal element and is widely used in pharmaceutics. It was used for the determination of cobalt in Vitamin B12.

The metal, which is a constituent of vitamin B12 is------? A. Iron B. Magnesium C. Zinc D. Cobalt (Answer)

Description : The metal, which is a constituent of vitamin B12 is------? A. Iron B. Magnesium C. Zinc D. Cobalt (Answer)

Last Answer : D. Cobalt (Answer)

The metal ion present in vitamin B12 is : (1) cobalt (2) zinc (3) nickel (4) iron

Description : The metal ion present in vitamin B12 is : (1) cobalt (2) zinc (3) nickel (4) iron

Last Answer : cobalt

A vitamin requires cobalt for its activity. The vitamin is (1) Vitamin B12 (2) Vitamin D (3) Vitamin B2 (4) Vitamin A

Description : A vitamin requires cobalt for its activity. The vitamin is (1) Vitamin B12 (2) Vitamin D (3) Vitamin B2 (4) Vitamin A

Last Answer : Vitamin B12

The metal, which is a constituent of vitamin B12 is (1) Iron (2) Magnesium (3) Zinc (4) Cobalt

Description : The metal, which is a constituent of vitamin B12 is (1) Iron (2) Magnesium (3) Zinc (4) Cobalt

Last Answer : Cobalt

The presence of Cobalt in Vitamin B12 was established for the first time by (1) Hydrolysis test (2) Spectroscopy (3) Borax-Bead test (4) Sodium Nitroprusside test

Description : The presence of Cobalt in Vitamin B12 was established for the first time by (1) Hydrolysis test (2) Spectroscopy (3) Borax-Bead test (4) Sodium Nitroprusside test

Last Answer : Spectroscopy

Vitamin B12 forms coenzymes known as (A) Cobamide (B) Transcobalamin I (C) Transcobalamin II (D) Both (B) and (C)

Description : Vitamin B12 forms coenzymes known as (A) Cobamide (B) Transcobalamin I (C) Transcobalamin II (D) Both (B) and (C)

Last Answer : Answer : A