Cell Structure and Organelles MCQs Quiz 24 Posted on April 5, 2026April 5, 2026Author agropublishers 0 Cell Structure and Organelles MCQs Quiz 24Cell Biology Multiple Choice Questions Table of Contents Toggle 1. Differential centrifugation separates organelles based on _______ Charge Enzyme activity pH sensitivity Density and size 2. The core structure of eukaryotic cilia and flagella is known as _______. Basal body Centrosome Microfilament Axoneme 3. Peroxisomes are specialized for _______ Protein synthesis DNA replication Transcription Free radical detoxification 4. Cell cycle progression is primarily regulated by which molecular system? Heat shock proteins Cyclins and cyclin-dependent kinases Ribosomes Histones Microtubules 5. Translocation is a type of genetic rearrangement, involves _______ Protein folding Exchange of segments Loss of DNA DNA replication 6. __________ are the structural feature that convert microtubule sliding into bending in cilia Nexin links Dynein arms Basal bodies Radial spokes 7. The restriction point (R point), the checkpoint beyond which a cell is committed to DNA replication, is located in which phase of the cell cycle? G₂ phase S phase G₁ phase M phase 8. The basal body of cilia structurally resembles _______ Lysosome Nucleus Golgi apparatus Centriole 9. Movement of cilia and flagella is primarily driven by _______ Kinesin Myosin Actin Dynein 10. Chromosomal aberrations include _______ Duplication Deletion All of these Inversion Loading … Question 1 of 10Cell Structure and Organelles MCQs Quiz 24Cell Biology Multiple Choice Questions 1. Differential centrifugation separates organelles based on _______ Charge Enzyme activity pH sensitivity Density and size 2. The core structure of eukaryotic cilia and flagella is known as _______. Basal body Centrosome Microfilament Axoneme 3. Peroxisomes are specialized for _______ Protein synthesis DNA replication Transcription Free radical detoxification 4. Cell cycle progression is primarily regulated by which molecular system? Heat shock proteins Cyclins and cyclin-dependent kinases Ribosomes Histones Microtubules 5. Translocation is a type of genetic rearrangement, involves _______ Protein folding Exchange of segments Loss of DNA DNA replication 6. __________ are the structural feature that convert microtubule sliding into bending in cilia Nexin links Dynein arms Basal bodies Radial spokes 7. The restriction point (R point), the checkpoint beyond which a cell is committed to DNA replication, is located in which phase of the cell cycle? G₂ phase S phase G₁ phase M phase 8. The basal body of cilia structurally resembles _______ Lysosome Nucleus Golgi apparatus Centriole 9. Movement of cilia and flagella is primarily driven by _______ Kinesin Myosin Actin Dynein 10. Chromosomal aberrations include _______ Duplication Deletion All of these Inversion Loading … Question 1 of 10 Cell Structure and Organelles MCQs Quiz 24 Cell Biology Multiple Choice Questions