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