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