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