Ribosomes MCQ

Test your knowledge with important Ribosomes MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Ribosomes MCQs at Bissoy

• Ribosomes contain three functionally distinct tRNA binding sites. Which of the following is not one of them?
  ক

  A site

  খ

  P site

  গ

  E site

  ঘ

  O site
• Which of the following is not a feature of the larger subunit of the eukaryotic ribosome?
  ক

  60S size

  খ

  Contains both 5.8S and 5s rRNA

  গ

  Catalyzes peptide elongation

  ঘ

  mRNA binding
• Identify the incorrect statement.
  ক

  A prokaryotic ribosome consists of two subunits, which are the 50S and 30S

  খ

  Ribosomal RNAs have complicated secondary structure

  গ

  The ribosome has a complex three-dimensional structure

  ঘ

  The distribution of proteins in the two ribosomal subunits is uniform
• Which of the following protein is not synthesized by ER membrane-bound ribosomes?
  ক

  Integral plasma membrane proteins

  খ

  Golgi complex proteins

  গ

  Extrinsic membrane proteins localized to the extra-cytoplasmic surface

  ঘ

  Extrinsic membrane proteins localized to the cytoplasmic surface
• Which of the following protein is not synthesized by membrane-free ribosomes?
  ক

  Chloroplast proteins

  খ

  Peroxisomal proteins

  গ

  Extrinsic membrane proteins localized to the cytoplasmic surface

  ঘ

  Extrinsic membrane proteins localized to the extra-cytoplasmic surface
• Proteins that are to be incorporated into cytoplasmic organelles are synthesized on ER membrane-bound ribosomes. Whereas, proteins that are to be imported into the ER-Golgi system are synthesized on free ribosomes in the cytosol.
  ক

  True

  খ

  False
• Which of the following represents the correct constituents of a eukaryotic ribosome?
  ক

  16S, 28S, and 5S rRNA

  খ

  16S, 28S, and 5.8S rRNA

  গ

  18S, 28S, and 5.8S rRNA

  ঘ

  18S, 28S, 5S, and 5.8S rRNA
• Which of the following represents the correct constituents of a prokaryotic ribosome?
  ক

  16S, 23S, and 5.8S rRNA

  খ

  23S, and 5.8S rRNA

  গ

  16S and 5S rRNA

  ঘ

  16S, 23S, and 5S rRNA
• There is no difference between prokaryotic and eukaryotic ribosomes.
  ক

  True

  খ

  False
• Which of the following was used by Carl Woese to build the prokaryotic phylogenetic tree?
  ক

  5.8S rRNA gene

  খ

  5S rRNA gene

  গ

  23S rRNA gene

  ঘ

  16S rRNA gene
• What does the ribosome consist of?
  ক

  Two subunits of equal sizes

  খ

  Two large and two small subunits

  গ

  Two large and one small subunit

  ঘ

  One large and one small subunit
• Which of the following is the site of protein synthesis in a cell?
  ক

  Nucleus

  খ

  Cell membrane

  গ

  Vacuole

  ঘ

  Ribosomes