Cell Structure and Organelles MCQs Quiz 7 Posted on April 2, 2026April 5, 2026Author agropublishers 0 Cell Structure and Organelles MCQs Quiz 7 Cell Biology Multiple Choice Questions 1. Which component provides rigidity and compressive strength to plant secondary walls? Chitin Pectin Lignin Cellulose 2. __________________ is responsible for gluing neighboring plant cells together Plasma membrane Middle lamella Secondary wall Primary wall 3. ____________ is the the double-membrane structure that engulfs cytoplasmic material during autophagy called Autophagosome Lysosome Peroxisome Endosome 4. ________________ are the specialized organelle in photosynthetic eukaryotic cells where photosynthesis occurs Mitochondria Chloroplasts Golgi apparatus Endoplasmic reticulum 5. Storage granules in cells are typically __________ Double-membrane organelles DNA-based structures Protein-based compartments Non-membranous inclusions 6. A nucleosome consists of DNA wrapped around _______ Actin Histone octamer Tubulin RNA 7. Critically short telomeres can trigger ________________ Cellular senescence or apoptosis Protein folding DNA synthesis Photosynthesis 8. ________________ chromosome has nearly equal arms Metacentric Telocentric Acrocentric Submetacentric 9. ____________________ is the primary constriction of a chromosome Telomere Centromere Kinetochore Chromatid 10. The p-arm of a chromosome refers to _______ Terminal region Satellite region Short arm Long arm Loading … Question 1 of 10 Cell Structure and Organelles MCQs Quiz 7 Cell Biology Multiple Choice Questions