Cell Structure and Organelles MCQs Quiz 15 Posted on April 3, 2026April 5, 2026Author agropublishers 0 Cell Structure and Organelles MCQs Quiz 15 Cell Biology Multiple Choice Questions 1. Aneuploidy refers to _______ DNA mutation Protein defect Abnormal chromosome number Normal chromosome number 2. __________ uses proton gradient for ATP synthesis Peroxisome Golgi apparatus Mitochondria Lysosome 3. _________ is a specialized organelle where secretory and membrane proteins undergo essential maturation processes, protein folding and quality control Mitochondria Rough endoplasmic reticulum Golgi apparatus Peroxisome 4. Prokaryotic cells lack _______ Mitochondria DNA Plasma membrane Ribosomes 5. ___________________ is a multi-subunit protein complex that plays a central role in organizing DNA into highly compact, rigid structures during mitotic and meiotic cell division Topoisomerase Condensin Cohesin Histone 6. _______is the jelly-like, semi-fluid substance that fills the space between the cell membrane and the nuclear envelope in eukaryotic cells Protoplasm Cytoplasm Nucleoplasm Stroma 7. Chloroplasts are most abundant in _______ Xylem cells Root cells Mesophyll cells Meristematic cells 8. Plastids are capable of _______ Cell division control Self-replication Protein digestion Independent movement only 9. __________________ sorts proteins and lipids to their final destinations, including lysosomes, the plasma membrane, or secretion Smooth Endoplasmic Reticulum Rough Endoplasmic Reticulum Golgi apparatus Nucleus 10. _______are the cellular organelles responsible for assembling amino acids into proteins Lysosomes Ribosomes Smooth Endoplasmic Reticulum Golgi apparatus Loading … Question 1 of 10 Cell Structure and Organelles MCQs Quiz 15 Cell Biology Multiple Choice Questions