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