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