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