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