Cell Identification Quiz

1. A white blood cell has a multilobed nucleus and rapidly engulfs bacteria during an acute immune response. Which cell is it?

2. Proteins intended for secretion arrive in vesicles at stacks of flattened sacs, where they are modified, sorted, and packaged. Which structure is responsible?

3. A mature human cell is biconcave, lacks a nucleus, and is packed with hemoglobin. Which cell is it?

4. A small, acidic, enzyme-filled vesicle digests worn cellular components and material taken into an animal cell. Which organelle is it?

5. Two kidney-shaped cells surround a pore in a leaf and change shape to regulate gas exchange. How should these cells be identified?

6. A specimen has a cellulose cell wall, chloroplasts, and a large central vacuole. Which type of cell is it?

7. In a dividing cell, condensed chromosomes are aligned across the cell's equator while sister chromatids remain joined. Which mitotic stage is shown?

8. A tissue sample contains very long, cylindrical cells with visible striations and many nuclei located near the cell edge. Which cell type is present?

9. A eukaryotic cell has a nucleus and flexible plasma membrane but no cell wall or chloroplasts. Which broad cell type best fits?

10. A cell has many branching dendrites and one long axon adapted to transmit electrical signals over distance. Which cell is it?

11. A pancreatic cell producing large amounts of digestive enzymes contains extensive membranes covered with ribosomes. Which structure is especially abundant?

12. A plant cell from the root surface has a long, narrow extension that increases the area available for water and mineral uptake. Which cell is it?

13. An organelle has a double membrane, a highly folded inner membrane, and a central role in aerobic ATP production. Which organelle is it?

14. A photosynthetic cell contains chlorophyll-bearing internal membranes but has no nucleus or other membrane-bound organelles. What is it?

15. A microscopic cell has a peptidoglycan wall, ribosomes, and circular DNA in a nucleoid region, but no membrane-bound nucleus. What is it?

16. A reproductive cell has a haploid nucleus, an enzyme-containing acrosome, and a flagellum for movement. Which cell is it?