Cell Structure and Organelles MCQs Quiz 22 Posted on April 4, 2026April 5, 2026Author agropublishers 0 Cell Structure and Organelles MCQs Quiz 22 Cell Biology Multiple Choice Questions Table of Contents Toggle 1. The nucleolus is primarily involved in the synthesis of ___________ DNA polymerase Transfer RNA (tRNA) Ribosomal RNA (rRNA) Messenger RNA (mRNA) 2. Mitochondria contain their own unique genetic material, primarily characterized as ______________ Plasmid DNA Single-stranded RNA only Linear chromosomes Circular DNA 3. ________________ forms the bilayer structure of the plasma membrane Waxes Triglycerides Phospholipids Steroids 4. ___________ is the main component of the central vacuole in plant cells DNA Protein crystals Water Starch granules 5. Which protein polymer forms microtubules? Myosin Tubulin Actin Keratin 6. The strong fluorescence of the Y chromosome in Q-banding is attributed to____________- Abundance of repetitive AT-rich heterochromatin Presence of ribosomal DNA clusters High gene density High GC content 7. _____________ are membrane-bound organelles with their primary function is to generate ATP (adenosine triphosphate) Golgi apparatus Ribosomes Mitochondria Lysosomes 8. Rate-zonal centrifugation separates particles based on _______ Chemical composition Enzyme activity Charge differences Sedimentation velocity 9. Electron microscopy is used in organelle isolation to assess _______ Transcription rate DNA sequence Protein structure Purity of fractions 10. The smooth endoplasmic reticulum is primarily involved in the synthesis of which molecules? Lipids and steroids Nucleotides Proteins for secretion Amino acids Loading … Question 1 of 10Cell Structure and Organelles MCQs Quiz 22Cell Biology Multiple Choice Questions 1. The nucleolus is primarily involved in the synthesis of ___________ DNA polymerase Transfer RNA (tRNA) Ribosomal RNA (rRNA) Messenger RNA (mRNA) 2. Mitochondria contain their own unique genetic material, primarily characterized as ______________ Plasmid DNA Single-stranded RNA only Linear chromosomes Circular DNA 3. ________________ forms the bilayer structure of the plasma membrane Waxes Triglycerides Phospholipids Steroids 4. ___________ is the main component of the central vacuole in plant cells DNA Protein crystals Water Starch granules 5. Which protein polymer forms microtubules? Myosin Tubulin Actin Keratin 6. The strong fluorescence of the Y chromosome in Q-banding is attributed to____________- Abundance of repetitive AT-rich heterochromatin Presence of ribosomal DNA clusters High gene density High GC content 7. _____________ are membrane-bound organelles with their primary function is to generate ATP (adenosine triphosphate) Golgi apparatus Ribosomes Mitochondria Lysosomes 8. Rate-zonal centrifugation separates particles based on _______ Chemical composition Enzyme activity Charge differences Sedimentation velocity 9. Electron microscopy is used in organelle isolation to assess _______ Transcription rate DNA sequence Protein structure Purity of fractions 10. The smooth endoplasmic reticulum is primarily involved in the synthesis of which molecules? Lipids and steroids Nucleotides Proteins for secretion Amino acids Loading … Question 1 of 10 Cell Structure and Organelles MCQs Quiz 22 Cell Biology Multiple Choice Questions