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