Vitamins – Classification and Functions NEET Questions

Organic Chemistry - Biomolecules

Vitamins – Classification and Functions MCQ Questions


1.
Vitamins are best defined as:
A.
Organic compounds required in the diet in small amounts to perform specific biological functions for normal maintenance of optimum growth and health of the organism
B.
Inorganic compounds required in large amounts in our body
C.
Carbohydrates required for energy production
D.
Polymers of amino acids required for body building
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ANSWER :
A. Organic compounds required in the diet in small amounts to perform specific biological functions for normal maintenance of optimum growth and health of the organism
2.
The term 'Vitamine' was originally coined from the words:
A.
Vital + amino acid
B.
Vita + element
C.
Vital + amine
D.
Vitality + mineral
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ANSWER :
C. Vital + amine
3.
The letter 'e' was dropped from 'vitamine' to give 'vitamin' because:
A.
Vitamins were proved to be inorganic
B.
Most vitamins were later found to NOT contain amino groups
C.
It was a spelling reform
D.
Vitamins were found to be carbohydrates
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ANSWER :
B. Most vitamins were later found to NOT contain amino groups
4.
Most vitamins cannot be synthesised in our body. They are mainly obtained from:
A.
Synthesis in the liver
B.
Plants and diet (with some made by gut bacteria)
C.
Synthesis in the kidneys
D.
Mineral salts in water
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ANSWER :
B. Plants and diet (with some made by gut bacteria)
5.
Which of the following statements is INCORRECT about vitamins?
A.
Excess intake of any vitamin is always safe and beneficial
B.
Some vitamins are produced by gut bacteria
C.
Vitamins are designated by alphabets like A, B, C, D, etc.
D.
Different vitamins belong to various chemical classes
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ANSWER :
A. Excess intake of any vitamin is always safe and beneficial
6.
Vitamins are designated by:
A.
Greek letters only
B.
Names of diseases they cure
C.
Alphabets like A, B, C, D, etc., with some sub-groups like B1, B2, B6, B12
D.
Numerical codes only
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ANSWER :
C. Alphabets like A, B, C, D, etc., with some sub-groups like B1, B2, B6, B12