Essential Biochemistry - Vitamins (Section 5)
1
Which vitamin is essential for transamination reactions?
2
Which vitamin is important for the formation of prothrombin?
3
What is the active form of Pantothenic acid (Vitamin B5)?
4
Which of the following enzyme is used as a measure of thiamin deficiency?
Jawab(C)
Erythrocyte transketolase
5
What is the term for the condition caused by thiamine deficiency?
6
Vitamins are grouped based on their
7
Which of the following is/are the functions of Vitamin B6?
8
What is the main function of FAD?
Jawab(B)
Act as an electron carrier
9
Which of the following is a role of NAD+?
Jawab(B)
Participates in oxidation-reduction reactions
10
What is the chemical name for Vitamin B1?
11
What is the active form of Riboflavin?
Jawab(A)
Flavin mononucleotide (FMN) and flavin adenine dinucleotide (FAD)
12
Excretion of FIGLU in urine occurs in deficiency of:
13
Deficiency of Vitamin A can lead to which of the following?
14
What is the active form of thiamine that participates in metabolic reactions?
15
Increased prothrombin time is observed in the deficiency of:
16
Thiamine (Vitamin B1) is required mainly for ________ metabolism.
17
Pyridoxal phosphate is a coenzyme for the reactions, except:
18
What is the role of Vitamin C in the body?
19
Both folic acid and methylcobalamin are required for:
Jawab(C)
Methylation of homocysteine to methionine
20
Which of the following are symptoms of Pellagra, a deficiency of Niacin?
21
Functionally active form of vitamin D is:
Jawab(A)
1,25-dihydroxycholecalciferol
22
Which vitamin is important in the metabolism of carbohydrates?
23
Niacin is a precursor for the synthesis of which coenzymes?
24
What is the primary source of Vitamin D?
25
The active form of vitamin B6 is
Jawab(B)
Pyridoxal phosphate (PLP)
26
Which of the following is/are the functions of Niacin?
27
Where is Riboflavin found abundantly?
29
Which vitamin is necessary for the formation of coenzyme A (CoA)?
30
Which of the following is associated with the symptoms of Vitamin B12 deficiency?
31
Which vitamins are water soluble?
Jawab(B)
Vitamin B1, Vitamin B2, Vitamin B3, Vitamin B5, Vitamin B6, Vitamin B7, Vitamin B9, Vitamin B12, Vitamin C
32
Rickets is due to deficiency of:
34
Which of the following is a common sign of riboflavin (vitamin B2) deficiency?
Jawab(B)
Cracks at the corners of the mouth
35
What is the primary function of PLP (pyridoxal phosphate)?
Jawab(A)
To facilitate transamination reactions
36
Which type of bond is important for Thiamin structure?
37
Which vitamin aids in the synthesis of neurotransmitters and the formation of myelin?
38
Which vitamin is a component of Coenzyme A?
39
Which of the following is a function of thiamine pyrophosphate (TPP)?
Jawab(C)
Participating in the metabolism of carbohydrates
40
Which of the following is a water-soluble vitamin?
41
Which of the following is a rich dietary source of riboflavin?
42
Which of the following is a form of vitamin D?
43
A deficiency of vitamin B₁₂ causes:
44
Which ring structure is a component of the thiamine molecule?
45
The daily requirement of biotin is:
46
Beriberi is caused by a deficiency of:
47
Which vitamins are fat-soluble?
Jawab(B)
Vitamin A, Vitamin D, Vitamin E, Vitamin K
48
What is the coenzyme form of vitamin B2?
49
Which of the following is a precursor of Vitamin B9 (Folic acid)?
50
Which of the following is NOT a symptom of a deficiency of Niacin?
