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