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