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