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