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