SZABMU AHS 2026 Cell Biology Free Quiz 3

21. In which phase of the cell cycle is DNA duplicated?

A. S phase B. G1 phase C. G2 phase D. M phase

22. Which organelle organizes microtubules during mitosis?

A. Lysosomes B. Centrosomes C. Nucleoli D. Peroxisomes

23. What is cytokinesis?

A. Nuclear division B. Cytoplasmic division C. DNA replication D. Organelle duplication

24. What is the passive movement of water across a membrane?

A. Active transport B. Osmosis C. Diffusion D. Endocytosis

25. Which process involves movement of small nonpolar molecules down their concentration gradient?

A. Simple diffusion B. Facilitated diffusion C. Active transport D. Osmosis

26. Which transport process uses proteins but does not require energy?

A. Active transport B. Facilitated diffusion C. Simple diffusion D. Endocytosis

27. Which transport mechanism requires energy to pump molecules against their gradient?

A. Osmosis B. Diffusion C. Active transport D. Facilitated diffusion

28. What is the general term for the uptake of material into the cell by vesicle formation?

A. Exocytosis B. Endocytosis C. Phagocytosis D. Pinocytosis

29. What process releases substances (like hormones) from the cell?

A. Exocytosis B. Endocytosis C. Secretion D. Diffusion

30. Which type of endocytosis is used to ingest large particles?

A. Pinocytosis B. Phagocytosis C. Receptor-mediated endocytosis D. Exocytosis