Cell Structure and Organelles MCQs Quiz 21 Posted on April 4, 2026April 5, 2026Author agropublishers 0 Cell Structure and Organelles MCQs Quiz 21 Cell Biology Multiple Choice Questions Table of Contents Toggle 1. Microbodies include _______ Mitochondria and chloroplasts Lysosomes, peroxisomes, glyoxysomes Vacuoles, ER and Golgi Nucleus and ribosomes 2. First organelle to sediment during low-speed centrifugation is _______ Peroxisome Mitochondria Nucleus Ribosome 3. The middle lamella in plants is rich in _______ Lignin Cellulose Hemicellulose Pectin 4. Organelle fractionation in cell begins with disruption of _______ Mitochondrial membrane Plasma membrane Nuclear envelope Golgi vesicles 5. Marker enzyme to identify mitochondria in biochemical studies is typically _______ Catalase Succinate dehydrogenase DNA polymerase Amylase 6. _____________ enzyme is characteristic of peroxisomes and breaks down hydrogen peroxide Amylase Catalase Lipase Pepsin 7. Plasmodesmata are microscopic channels, involved in _______ Cell wall synthesis Transport across the membrane Protein degradation Cell-to-cell communication 8. _____________ contains highest concentration of digestive enzymes Nucleus Lysosome Golgi apparatus Peroxisome 9. _____________________ are considered the major organelle source of reactive oxygen species (ROS) in eukaryotic cells Dysfunctional Vacuole Dysfunctional Golgi apparatus Dysfunctional Mitochondria Dysfunctional Lysosome 10. ____________________ is absent in prokaryotic cells Ribosome Cytoplasm Endoplasmic reticulum Cell membrane Loading … Question 1 of 10Cell Structure and Organelles MCQs Quiz 21Cell Biology Multiple Choice Questions 1. Microbodies include _______ Mitochondria and chloroplasts Lysosomes, peroxisomes, glyoxysomes Vacuoles, ER and Golgi Nucleus and ribosomes 2. First organelle to sediment during low-speed centrifugation is _______ Peroxisome Mitochondria Nucleus Ribosome 3. The middle lamella in plants is rich in _______ Lignin Cellulose Hemicellulose Pectin 4. Organelle fractionation in cell begins with disruption of _______ Mitochondrial membrane Plasma membrane Nuclear envelope Golgi vesicles 5. Marker enzyme to identify mitochondria in biochemical studies is typically _______ Catalase Succinate dehydrogenase DNA polymerase Amylase 6. _____________ enzyme is characteristic of peroxisomes and breaks down hydrogen peroxide Amylase Catalase Lipase Pepsin 7. Plasmodesmata are microscopic channels, involved in _______ Cell wall synthesis Transport across the membrane Protein degradation Cell-to-cell communication 8. _____________ contains highest concentration of digestive enzymes Nucleus Lysosome Golgi apparatus Peroxisome 9. _____________________ are considered the major organelle source of reactive oxygen species (ROS) in eukaryotic cells Dysfunctional Vacuole Dysfunctional Golgi apparatus Dysfunctional Mitochondria Dysfunctional Lysosome 10. ____________________ is absent in prokaryotic cells Ribosome Cytoplasm Endoplasmic reticulum Cell membrane Loading … Question 1 of 10 Cell Structure and Organelles MCQs Quiz 21 Cell Biology Multiple Choice Questions
