SZABMU AHS 2026 Cell Biology Free Quiz 5

1. Where is the ETC located?

A. Inner mitochondrial membrane B. Outer membrane C. Matrix D. Cytoplasm

2. Which enzyme produces ATP during oxidative phosphorylation?

A. Kinase B. ATP synthase C. Dehydrogenase D. Isomerase

3. What cytoskeletal structures form the axoneme of cilia and flagella?

A. Microfilaments B. Intermediate filaments C. Microtubules (9+2) D. Actin filaments

4. Which organelle is the microtubule-organizing center (MTOC)?

A. Nucleolus B. Centrosome C. Peroxisome D. Vacuole

5. Which cell junctions allow intercellular communication in animals?

A. Gap junctions B. Tight junctions C. Desmosomes D. Plasmodesmata

6. What are the cell-to-cell communication channels in plants?

A. Gap junctions B. Plasmodesmata C. Tight junctions D. Desmosomes

7. Which junction type seals cells together to prevent leakage?

A. Gap junctions B. Desmosomes C. Tight junctions D. Adherens junctions

8. Which junction provides strong adhesion between cells?

A. Gap junctions B. Tight junctions C. Adherens junctions D. Desmosomes

9. Which type of cell lacks a cell wall?

A. Animal cells B. Plant cells C. Fungal cells D. Bacterial cells

10. What is the meshwork of proteins and polysaccharides outside animal cells?

A. Cell wall B. Extracellular matrix C. Cytoskeleton D. Plasma membrane