Cell Structure and Organelles MCQs Quiz 18 Posted on April 4, 2026April 5, 2026Author agropublishers 0 Cell Structure and Organelles MCQs Quiz 18 Cell Biology Multiple Choice Questions 1. _____________ initiates the assembly of spindle fibers during early stages of cell division Golgi body Ribosome Centrosome Lysosome 2. ______________ are membrane-bound organelle containing an internal system of interconnected, flattened membrane sacs called thylakoids Chloroplast Mitochondria Nucleus Ribosome 3. _______is a tough, rigid outer layer found in plant cells that provides structural support, protection, and a fixed shape Plasma membrane Nucleus Cytoplasm Cell wall 4. ________________ is known as the “powerhouse of the cell” Mitochondria Chloroplast Ribosome Nucleus 5. Which organelle is responsible for secretion secretion of proteins and lipids within the cell_______ Chloroplast Mitochondria Nucleus Golgi Complex 6. The nucleolus is a specialized non-membrane-bound structure in eukaryotic cells, these are site of _______ DNA replication Ribosome assembly Protein modification Lipid synthesis 7. _______is a key organelle responsible for storing and releasing calcium ions to regulate their concentration in the cytoplasm of eukaryotic cells Golgi body Smooth endoplasmic reticulum Ribosome Nucleus 8. Condensin proteins function in _______ ATP synthesis Protein folding Chromosome condensation DNA replication 9. _______ is responsible for the formation of lysosomes Nucleus Mitochondria Golgi apparatus Ribosome 10. ______________ is the primary organelle responsible for storing water, nutrients, and maintaining turgor pressur in plant cells Ribosome Vacuole Mitochondria Golgi apparatus Loading … Question 1 of 10 Cell Structure and Organelles MCQs Quiz 18 Cell Biology Multiple Choice Questions
