Cell Structure and Organelles MCQs Quiz 20 Posted on April 4, 2026April 5, 2026Author agropublishers 0 Cell Structure and Organelles MCQs Quiz 20 Cell Biology Multiple Choice Questions 1. Nucleus is primarily responsible for _______ Lipid biosynthesis Protein folding and degradation DNA replication and translation DNA transcription and RNA processing 2. Nucleolus is the site of _______ rRNA synthesis and ribosome assembly mRNA translation DNA replication Protein glycosylation 3. Rough endoplasmic reticulum is distinguished from smooth endoplasmic reticulum by _______ Attached ribosomes ATP synthesis Presence of DNA Lysosomal enzymes 4. Proteins synthesized on Rough Endoplasmic Reticulum are typically destined for _______ Secretion or membranes Cytosol only Nuclear DNA replication Mitochondrial matrix only 5. Gram-negative bacteria possess _______ Outer membrane with lipopolysaccharides Only peptidoglycan Chitin layer No outer membrane 6. Nuclear pore complexes mainly regulate _______ ATP synthesis Passive diffusion of ions Selective transport of macromolecules Protein degradation 7. ____________ is involved in the transporting, modifying, and packaging proteins and lipids within a cell Chromoplasts Cytoskeleton Golgi Complex Chloroplasts 8. Chromosome banding is a cytogenetic technique used for _______ DNA sequencing Protein folding ATP synthesis Identification 9. A stack of thylakoids within a chloroplast is called a _________ Cristae Cisterna Granum Matrix 10. Chloroplast thylakoid membranes are primarily involved in _______ Light harvesting and electron transport DNA repair Protein degradation ATP hydrolysis Loading … Question 1 of 10 Cell Structure and Organelles MCQs Quiz 20 Cell Biology Multiple Choice Questions
