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