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