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