Cell Structure and Organelles MCQs Quiz 2 Posted on April 1, 2026April 5, 2026Author agropublishers 0 Cell Structure and Organelles MCQs Quiz 2Cell Biology Multiple Choice Questions 1. The smooth endoplasmic reticulum (SER) is primarily involved in _________ Protein folding RNA synthesis Lipid synthesis and detoxification processes DNA replication 2. Bacterial capsules primarily enhance ______________ DNA replication ATP synthesis Virulence and protection against host defenses Protein folding 3. Lysosomes are rich in which type of enzymes? Polymerases Ligases Kinases Hydrolases 4. The nucleus is enclosed by a ___________ Double membrane No membrane Single membrane Triple membrane 5. Mitochondrial DNA (mtDNA) is typically _______________ Protein-based Linear Circular RNA-based 6. Peroxisomes play a major role in detoxifying ____________ DNA RNA ATP Hydrogen peroxide 7. Plasmids are best described as ______________ Protein complexes Small circular extrachromosomal DNA molecules RNA molecules Lipid structures 8. Cristae in mitochondria primarily function to increase ______________ RNA synthesis DNA content Lipid storage Surface area for oxidative phosphorylation 9. Chloroplasts are primarily responsible for _____________ Photosynthesis DNA replication Respiration Protein synthesis 10. The Golgi apparatus modifies proteins primarily through _____________ Protein degradation Glycosylation and post-translational modification ATP synthesis DNA replication Loading … Question 1 of 10 Cell Structure and Organelles MCQs Quiz 2 Cell Biology Multiple Choice Questions