Cell Structure and Organelles MCQs Quiz 11 Posted on April 2, 2026April 2, 2026Author agropublishers 0 Cell Structure and Organelles MCQs Quiz 11 Cell Biology Multiple Choice Questions 1. Diatom cell walls are primarily composed of _________ Peptidoglycan Silica Cellulose Chitin 2. The initiation of autophagy is regulated by ______________, a key nutrient-sensing complex SNARE complex mTOR complex DNA polymerase Ribosome 3. The internal fluid matrix of chloroplast is called _______ Matrix Granum Thylakoid Stroma 4. Plastids are primarily found in _______ Fungal cells Plant cells Animal cells Bacterial cells 5. Telomeres are essential for maintaining _____________ Chromosome stability and integrity Protein folding Membrane integrity Energy balance 6. Cellulose microfibrils in plant cell walls are synthesized by _________________ Golgi apparatus Ribosomes Plasma membrane cellulose synthase complexes Nucleus 7. Which group of living organisms lacks a cell wall entirely? Bacteria Fungi Animals Plants 8. Submetacentric chromosomes generally appear _______ during anaphase V-shaped L-shaped J-shaped I-shaped 9. Protein-storing leucoplasts are called _______ Chromoplasts Elaioplasts Amyloplasts Aleuroplasts 10. Constitutive heterochromatin is found at _______ Gene-rich regions Endoplasmic Reticulum Mitochondria Telomeres and centromeres Loading … Question 1 of 10 Cell Structure and Organelles MCQs Quiz 11 Cell Biology Multiple Choice Questions