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