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