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Home
Questions & Answer
Science Questions & Answers
Biology Questions & Answers
Biology Questions & Answers
(Compiled from UPSC, SSC ,PSC ,IBPS previous question papers)
Vitamin C is present in Largest amount in the body in:
A
Kidneys
B
Testes
C
Adrenal cortex
D
Eye
Malonyl aciduria is seen in deficiency of:
A
Pyridoxine
B
B12
C
Folic acid
D
Riboflavin
The following vitamin is important in non-oxidative decarboxylation, transamination and transsulfration reactions:
A
Pantothenic acid
B
Pyridoxine
C
Thiamine
D
Riboflavin
Which vitamin is the most indispensable during mitosis:
A
Ascorbic acid
B
Aspartic acid
C
Folic acid
D
Pantothenic acid
Most of vitamin B12 in the body is stored as:
A
None of the above
B
Cyano cobalamine
C
Hydroxy B12
D
Methyl B12
Beri-beri is caused due to the deficiency of:
A
Riboflavin
B
Ascorbic acid
C
Thiamine
D
Pyridoxine
Which of the following is not true of Vitamin D?
A
Its decrease causes phosphate reabsorption from the kidneys
B
Increases calcium absorption from the intestines
C
Its deficiency results in rickets
D
Its active form is calcitriolt
A patient with chronic renal failure and bone pains will have deficiency of which vitamin:
A
Vitamin D
B
Vitamin C
C
Vitamin A
D
Vitamin B
The action of vitamin K in formation of clotting factor is through:
A
Post transcription
B
Post translation
C
Golgi complex
D
Endoplasmic reticulum
Specific disease caused by vitamin B1 deficiency:
A
Pellagra
B
Angular cheilitis
C
Megaloblastic anemia
D
Peripheral polyneuritis
Tocopherol is associated with:
A
Vitamin K
B
Vitamin D
C
Vitamin A
D
Vitamin E
Fat soluble vitamins are:
A
A. 0, E, K
B
A. B, E, K
C
A. C. E. K
D
A. B. D, K
Ascorbic acid:
A
Is required For lysyl oxidase
B
Is harmless in high doses
C
Decrease iron absorption
D
Is a reducing agent
Deficiency of vitamin A causes the following except:
A
Myopia
B
Corneal dryness
C
Night blindness
Which of the following factors delay wound dealing:
A
Infection
B
B & C options
C
Ascorbic acid deficiency
D
Vitamin B12 deficiency
Active form of vitamin D in kidney is:
A
1 dihydroxy cholecalciferol
B
25 hydroxy cholecalciferol
C
1, 25 dihydroxy cholecalciferol
D
7 dihydroxy calciferol
Xerophthalmia is caused by:
A
Vitamin D deficiency
B
Vitamin C deficiency
C
Vitamin K deficiency
D
Vitamin A deficiency
The vitamin that facilitates iron absorption:
A
Para amino benzoic acid
B
Biotin
C
Ascorbic acid
D
Folic acid
26. Average daily dose of vitamin-C is
A
30 - 40 mg
B
60 - 60 mg
C
100.150 mg
D
60 - 100 mg
In vitamin A deficiency, patient complains of all of the following except:
A
Night blindness
B
Xerophthalmia
C
Keratosis
D
Phosphoric calciuria
Vitamin associated with one carbon transfer is:
A
Niacin
B
Thiamine
C
Ascorbic acid
D
Folic acid
Vitamin K antagonizes:
A
Corticosteroids
B
Thrombin formation
C
Bishydroxy coumann
D
Production ol clotting factors by liver
Pernicious anaemia occurs in:
A
Vitamin B1 deficiency
B
Vitamin B12 deficiency
C
Vitamin C deficiency
D
Vitamin D deficiency
Vitamin K
A
Helps in formation of prothrombin
B
Inhibition oFantithrombin
C
Prevention of capillary fragility
D
Stimulation of hematopoiesis in red bone marrow
Which of the following is the poorest source of vitamin "C"?
A
Milk
B
Cabbage
C
Guava
D
Radish
Rhodopsin deficiency is chiefly associated with:
A
Vitamin D deficiency
B
Rickels
C
Vitamin A deficiency
D
Scurvy
Coenzyme A contains which of the following vitamins:
A
Biotin
B
Pyridoxine
C
Pantothenic acid
D
Niacin
Deficiency of which vitamin causes glossitis, dementia, roughed keratotic areas on skin and gastrointestinal symptoms?
A
Riboflavin
B
Pyridoxine
C
Niacin
D
Pantothenic acid
In humans and other primates, as well as in guinea pigs, this vitamin cannot be synthesized, because of the absence of the enzyme L-gulonolactone oxidase; the vitamin is:
A
Nicotinic acid
B
Ascorbic acid
C
Folic acid
D
Pantothenic acid
The amino acid from which niacin synthesized is:
A
Tyrosine
B
Tryptophan
C
Threonine
D
Histidine
‹ First
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