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