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Test: Vitamins & Nucleic Acids - JEE MCQ


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15 Questions MCQ Test - Test: Vitamins & Nucleic Acids

Test: Vitamins & Nucleic Acids for JEE 2024 is part of JEE preparation. The Test: Vitamins & Nucleic Acids questions and answers have been prepared according to the JEE exam syllabus.The Test: Vitamins & Nucleic Acids MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Vitamins & Nucleic Acids below.
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Test: Vitamins & Nucleic Acids - Question 1
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Vitamin D is also known as

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Vitamin D is also known as sunshine vitamin.
Test: Vitamins & Nucleic Acids - Question 2
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When a protein is subjected to physical changes the protein loses its biological activity. This is known as:

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The correct answer is Option D
This loss of biological activity by the protein is called denaturation. During denaturation, the secondary and the tertiary structures of the protein get destroyed, but the primary structure remains unaltered. One of the examples of denaturation of proteins is the coagulation of egg white when an egg is boiled.

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Test: Vitamins & Nucleic Acids - Question 3
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_________ are biocatalysts which speed up the reactions in biosystems.

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The correct answer is Option A
Biocatalysis refers to the use of living (biological) systems or their parts to speed up (catalyze) chemical reactions. In biocatalytic processes, natural catalysts, such as enzymes, perform chemical transformations on organic compounds.

Test: Vitamins & Nucleic Acids - Question 4
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Night blindness is caused by deficiency of
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Vitamin A
Test: Vitamins & Nucleic Acids - Question 5
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Two vitamins absorbed from intestine along with fats are
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Vitamin A, D are absorbed from the intestine by fats.
Test: Vitamins & Nucleic Acids - Question 6
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A vitamin that contains both and is
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Vitamin contains both and
Test: Vitamins & Nucleic Acids - Question 7
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Vitamin is known as
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Vitamin is called pyridoxine. It is found in fruits, green-vegetables, milk, etc.
Test: Vitamins & Nucleic Acids - Question 8
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Nucleotides in DNA are linked by
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Phosphate is linked to carbon of 1 and carbon of the other sugar molecules.
Test: Vitamins & Nucleic Acids - Question 9
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If one strand of DNA has the sequence ATGCTTGA, the sequence in the complimentary strand would be
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On the basis of structure of guanine and complementary bases present in them, we can say that if the sequence of bases in one strand of DNA is I, then the sequence in the second strand should be II
A:
Test: Vitamins & Nucleic Acids - Question 10
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A sequence of how many nucleotides in messenger RNA makes a codon for an amino acid?
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The sequence of bases in mRNA are read in a serial order in groups of three at a time. Each triplet of nucleotides (having a specific sequence of bases) is known as codon. Each codon specifies one amino acid. Further since, there are four bases, therefore, triplets or codons are possible.
Test: Vitamins & Nucleic Acids - Question 11
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The process by which synthesis of protein takes place based on the genetic information present in -RNA is called
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Synthesis of polypeptide is known as translation. For this process three type of RNA are essential.
Test: Vitamins & Nucleic Acids - Question 12
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Which of the following substances is not present in nucleic acids?
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Guanidine,


is neither a purine nor a pyrimidine base
Test: Vitamins & Nucleic Acids - Question 13
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Which of the following is not present in a nucleotide?
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Tyrosine is an -amino acid, and neither a purine nor a pyrimidine base.
Test: Vitamins & Nucleic Acids - Question 14
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A codon has a sequence of , and specifies a particular that is to be incorporated into a . What are ?
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A codon is a specific sequence of three adjacent bases on a strand of DNA or RNA that provides genetic code information for a particular amino acid.
Test: Vitamins & Nucleic Acids - Question 15
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Hydrolysis of nucleic acid gives nitrogenous base sugar and......
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Hydrolysis of nucleic acid gives 3 components nitrogenous base, sugar and phosphoric acid.

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