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