Test Your Vitamins Knowledge! Trivia Quiz
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What do you know about vitamins? Research has shown that taking a decent multivitamin may improve memory and mood. Antioxidant vitamins and minerals may help to slow the advancement of diseases that cause blindness. The dosage needs to be followed when taking multivitamins. However, the best way to obtain vitamins is to consume fruits and vegetables. See how much you know about vitamins and put your knowledge to the test.
- 1.
Vitamin that can be synthesized in the human body to a significant extent is
- A.
B1
- B.
B12
- C.
B3
- D.
B5
Correct Answer
C. B3Explanation
see the next questionRate this question:
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- 2.
Niacin (B3) can be synthesised from
- A.
Tyrosine
- B.
Proline
- C.
Tryptophan
- D.
None of the above
Correct Answer
C. TryptophanExplanation
60mg tryptophan = 1 mg NiacinRate this question:
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- 3.
Which is the only fat-soluble vitamin with coenzyme activity?
- A.
A
- B.
D
- C.
E
- D.
K
Correct Answer
D. KExplanation
cofactor for gamma carboxylation of clotting factors II, VII, IX, X, protein C, S, Z etc., Why etc., ? see the next question.Rate this question:
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- 4.
Which is the only water soluble vitamin stored in the body significantly
- A.
B1
- B.
B2
- C.
B6
- D.
B12
Correct Answer
D. B12Explanation
Vitamin B12 is the only water-soluble vitamin that can be stored in the body significantly. It is primarily stored in the liver and can be utilized by the body over a longer period of time. Unlike other water-soluble vitamins, which are excreted through urine if not immediately used, vitamin B12 can be stored for months to years in the liver, providing a reserve for the body's needs.Rate this question:
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- 5.
Carboxylase enzyme that doesn't need biotin as a cofactor.
- A.
Pyruvate carboxylase
- B.
Acetyl coA carboxylase
- C.
AIR carboxylase
- D.
Propionyl-CoA carboxylase
Correct Answer
C. AIR carboxylaseExplanation
Phosphoribosylaminoimidazole carboxylase (or AIR carboxylase) is an enzyme involved in nucleotide biosynthesis.Rate this question:
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- 6.
GLA (Gamma-carboxyglutamic acid) is NOT found in
- A.
Protein C
- B.
Protein S
- C.
Protein Z
- D.
Osteocalcin
- E.
Osteopondin
Correct Answer
E. OsteopondinExplanation
GLA (Gamma-carboxyglutamic acid) is a post-translational modification that is found in certain proteins involved in blood coagulation, such as Protein C, Protein S, and Protein Z. Osteocalcin is also known to contain GLA residues. However, Osteopondin does not contain GLA residues. Therefore, the correct answer is Osteopondin.Rate this question:
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- 7.
NADPH absorbs light at the wave length of
- A.
UV range
- B.
IR range
- C.
Visible spectrum
- D.
None of the above
Correct Answer
A. UV rangeExplanation
NADH and NADPH --> peak ultraviolet absorbance @ 340 nm due to the dihydropyridine ringRate this question:
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- 8.
NADH is NOT a
- A.
Coenzyme
- B.
Cofactor
- C.
Cosubstrate
- D.
Prosthetic group
Correct Answer
D. Prosthetic groupExplanation
see the next questionRate this question:
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- 9.
FMN is NOT a
- A.
Coenzyme
- B.
Cofactor
- C.
Cosubstrate
- D.
Prosthetic group
Correct Answer
C. CosubstrateExplanation
Loosely bound cofactors can be used by a different enzyme in different reactions. They are known as cosubstrates. FMN is always tightly attached.Rate this question:
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- 10.
Burning feet syndrome (pantothenate deficiency) was described by
- A.
Giridharan
- B.
Gopalan
- C.
Govindhan
- D.
None of the above
Correct Answer
B. GopalanExplanation
Gopalan is the correct answer because he is known for describing burning feet syndrome, also known as pantothenate deficiency. Giridharan and Govindhan are not associated with this syndrome. Therefore, the correct answer is Gopalan.Rate this question:
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Current Version
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Mar 21, 2023Quiz Edited by
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Mar 26, 2013Quiz Created by
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