Genetic code MCQ 1+

Test your knowledge with important Genetic code MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 31 + more Genetic code MCQs at Bissoy

• If you charge a lys-tRNA with an alanine, what amino acid will you expect to be incorporated against AAA?
  ক

  Lysine

  খ

  Alanine

  গ

  Phenylalanine

  ঘ

  f-alanine
• Which of these mutations will have the least harmful effect?
  ক

  Addition of 2 bases

  খ

  Deletion of 3 bases

  গ

  Transition of one base

  ঘ

  Deletion of a chunk
• State whether it is true that degeneracy can act as a mode of control in RNA?
  ক

  True

  খ

  False
• If you consider wooble hypothesis I in 1st position of anticodon can not pair with?
  ক

  A is 3rd position of codon

  খ

  U is 3rd position of codon

  গ

  G is 3rd position of codon

  ঘ

  C is 3rd position of codon
• Wooble base hypothesis is applicable to the____________
  ক

  Mitochondrial codon

  খ

  1st base in codon

  গ

  2nd base in codon

  ঘ

  3rd base in codon
• In an experiment if you add poly A oigon-dNTP in a nucleotide free cell lysate. Which of the labeled amino acid do you expect to be incorporated in the peptide so formed?
  ক

  Lys

  খ

  Phe

  গ

  Pro

  ঘ

  Leu
• Which of the following is not a stop codon?
  ক

  UAA

  খ

  GUG

  গ

  UAG

  ঘ

  UGA
• Consider that our codon in place of being triplet was quadruplet. How many possible combinations could be there then?
  ক

  64

  খ

  128

  গ

  256

  ঘ

  360
• What is meant by degenerate codon?
  ক

  Two codons can be read in different frame o give different amino acids

  খ

  Codons are not having a gap

  গ

  Specific codon codes for specific amino acid

  ঘ

  Two codons can code for same amino acid
• AUG is the universal start codon.
  ক

  True

  খ

  False
• Which of the following codon calls for fMettRNA –fMet?
  ক

  CTA

  খ

  GUA

  গ

  AUG

  ঘ

  AUA
• When is a codon said to be unambiguous?
  ক

  When it codes for 2 amino acids

  খ

  When it codes for 1 amino acids

  গ

  When it codes for 3 amino acids

  ঘ

  When it codes for 4 amino acids
• How many codons code for an amino acid?
  ক

  3

  খ

  8

  গ

  90

  ঘ

  61
• How many bases are required for coding 20 amino acids?
  ক

  1

  খ

  2

  গ

  3

  ঘ

  4
• Which of the following refers to a proposition which directs the sequence of amino acids during protein synthesis?
  ক

  DNA fingerprinting

  খ

  Genetic Code

  গ

  Transcription

  ঘ

  Endolysis
• Genetic code is:
  ক

  Non-overlapping

  খ

  Universal

  গ

  Commaless

  ঘ

  Ambiguous

  ঙ

  Non-redundant