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