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