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