Cell Structure and Organelles MCQs Quiz 1 Posted on April 1, 2026April 5, 2026Author agropublishers 0 Cell Structure and Organelles MCQs Quiz 1Cell Biology Multiple Choice Questions 1. Storage granules are best described as ________ Double-membrane organelles DNA-based compartments Protein-free inclusions Non-membranous structures 2. Which cellular component is present in both prokaryotic and eukaryotic cells? Mitochondria Nucleus Ribosomes Membrane-bound organelles 3. Chloroplasts in plant cells are believed to have originated from _____________ Viruses Cyanobacteria Fungi Proteobacteria 4. The primary function of mitochondria is __________ Lipid synthesis Protein synthesis ATP production through oxidative phosphorylation DNA storage 5. Mitochondria are believed to have originated through _________________ RNA world hypothesis Central dogma Endosymbiotic theory Fluid Mosaic Model 6. Which organelle, unique to plant cells, is primarily responsible for photosynthesis? Golgi apparatus Mitochondria Chloroplast Peroxisome 7. Prokaryotic cells differ fundamentally from eukaryotic cells by lacking _______ Membrane-bound organelles Cytoplasm Ribosomes Plasma membrane 8. ______________ is the largest organelle in most plant cells Chloroplast Vacuole Nucleus Golgi apparatus 9. The cytoskeleton primarily provides ______________ DNA replication machinery Protein folding mechanisms Structural support and cell shape ATP synthesis sites 10. Ribosomes are primarily composed of _______ Lipids and carbohydrates DNA and RNA DNA and proteins RNA and proteins Loading … Question 1 of 10 Cell Structure and Organelles MCQs Quiz 1 Cell Biology Multiple Choice Questions