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