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L7, water soluble vitamins 2, biochemistry

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MCQ



1. Deficiency of which one of these vitamins may lead to hypochromic anaemia?
A. Vitamin B6 
B. Vitamin B12 
C. Vitamin D 
D. Vitamin E 
E. Vitamin K 

2. Deficiency of which one of these vitamins may lead to haemolytic anaemia? 
a) Vitamin B6 
b) Vitamin B 12 
c) Vitamin D 
d) Vitamin E 
e) Vitamin K
 
3. Which one of these vitamins may mask the anaemia of vitamin B12 deficiency?
A. Biotin 
B. Folate 
C. Riboflavin 
D. Thiamin 
E. Vitamin B6

4. Which one of these vitamins is required for DNA synthesis? 
A. Biotin 
B. Folate 
C. Pantothenic acid 
D. Vitamin B6 
E. Vitamin B12



:5Biotin is a coenzyme of the 
A)Carboxylase
 B)Hydroxylase
 C)Decarboxylase
 D)Deaminase

:6Folate deficiency causes
A)Microcytic anemia
B)Hemolytic anemia
C)Iron deficiency anemia
 D)Megaloblastic anemia

:7Pyridoxal phosphate is a coenzyme for
A)Glycogen synthetase
B)Phosphorylase
C)Both (A) and (B)
D)None of these

:8The vitamin component of coenzyme A is
 A) Riboflavin
 B) Biotin
 C) Panthothenic acid
 D) Nicotinic acid
 E) Pyridoxine

:9When eggs are cooked
A)Biotin is destroyed but avidin remains unaffected
B)Avidin is inactivated but biotin remains unaffected
C)Both avidin and biotin are inactivated
 D)Both avidin and biotin remain unaffected

:10Convulsive episodes occur when there is a severe deficiency of
A)Pyridoxine
B)Folic acid
  C)Thiamine
D)Riboflavin

11Which ot the following vitamin is involved in coenzyme function in
:Tansaminations
A)Nicotinamide
 B) Pyridoxine
 C)Thiamine
 D)Riboflavin

Answer

5.a
6.D
7.B
8.C
9.B
10.B
11.B

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