Cell Structure and Organelles MCQs Quiz 28 Posted on April 6, 2026Author agropublishers 0 1. The generation of H₂O₂ inside peroxisomes is mainly due to ___________ Hydrolytic reactions DNA degradation ATP hydrolysis Oxidative reactions by oxidases 2. Membrane proteins that span the entire bilayer are called _______ Peripheral proteins Cytoskeletal proteins Integral proteins Storage proteins 3. In glycolysis, ATP is produced by _______ Chemiosmosis Electron transport chain Oxidative phosphorylation Substrate-level phosphorylation 4. Endosymbiotic origin of mitochondria is supported by _______ Lack of protein synthesis Circular genome and prokaryotic-like ribosomes Absence of membranes Presence of histones 5. Which cell type contains histone proteins _______ Archaeal only Eukaryotic Bacterial only Prokaryotic 6. A nucleosome consists of DNA wrapped around _______ RNA molecules Membrane proteins Lipids Histone proteins 7. Which cell type divides by binary fission _______ Prokaryotic Eukaryotic Fungal Plant 8. The cytosol is best described as _______ Solid matrix Gel-like aqueous solution Gas-filled compartment Lipid storage body 9. The nucleoid differs from the nucleus because it _______ Lacks a surrounding membrane Contains RNA only Has ribosomes attached Contains multiple chromosomes 10. The majority of ATP in aerobic cells is generated during _______ Oxidative phosphorylation Citric acid cycle Fermentation Glycolysis Loading … Question 1 of 10
