Test Your Vitamins Knowledge! Trivia Quiz

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| By Kar
Kar, Assistant Professor (Biochemistry)
Karthikeyan Pethusamy is an assistant professor in the Department of Biochemistry at the All India Institute of Medical Sciences in New Delhi
Quizzes Created: 33 | Total Attempts: 50,711
| Attempts: 207 | Questions: 10
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Question 1 / 10
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1. Niacin (B3) can be synthesised from

Explanation

60mg tryptophan = 1 mg Niacin

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About This Quiz
Test Your Vitamins Knowledge! Trivia Quiz - Quiz


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... see moreadvancement 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. see less

2. Which is the only water soluble vitamin stored in the body significantly

Explanation

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.

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3. NADH is NOT a

Explanation

see the next question

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4. NADPH absorbs light at the wave length of 

Explanation

NADH and NADPH --> peak ultraviolet absorbance @ 340 nm due to the dihydropyridine ring

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5. Burning feet syndrome (pantothenate deficiency) was described by

Explanation

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.

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6. Which is the only fat-soluble vitamin with coenzyme activity?

Explanation

cofactor for gamma carboxylation of clotting factors II, VII, IX, X, protein C, S, Z etc., Why etc., ? see the next question.

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7. GLA (Gamma-carboxyglutamic acid) is NOT found in 

Explanation

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.

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8. Carboxylase enzyme that doesn't need biotin as a cofactor.

Explanation

Phosphoribosylaminoimidazole carboxylase (or AIR carboxylase) is an enzyme involved in nucleotide biosynthesis.

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9. FMN is NOT a

Explanation

Loosely bound cofactors can be used by a different enzyme in different reactions. They are known as cosubstrates. FMN is always tightly attached.

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10. Vitamin that can be synthesized in the human body to a significant extent is

Explanation

see the next question

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Niacin (B3) can be synthesised from
Which is the only water soluble vitamin stored in the body...
NADH is NOT a
NADPH absorbs light at the wave length of 
Burning feet syndrome (pantothenate deficiency) was described by
Which is the only fat-soluble vitamin with coenzyme activity?
GLA (Gamma-carboxyglutamic acid) is NOT found in 
Carboxylase enzyme that doesn't need biotin as a cofactor.
FMN is NOT a
Vitamin that can be synthesized in the human body to a...
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