Parts of a Plant Quiz

1. Which structure is the reproductive organ of a typical flowering plant?

2. A plant's roots and leaves are healthy, but its main upright structure has been badly damaged. Which function is most directly disrupted?

3. Carbon dioxide enters a leaf and oxygen exits mainly through tiny pores called what?

4. On a hot, dry afternoon, a plant reduces water loss from its leaves. Which specialized structures directly control this response by closing the stomata?

5. A student places a cut celery stalk in colored water. Later, colored lines appear higher in the stalk. Which tissue carried the colored water upward?

6. A seedling grows many tiny extensions from the surface of its young roots. How do these root hairs help the seedling?

7. Which main plant part usually anchors the plant in the soil and absorbs water and minerals?

8. Which seed part forms the protective outer covering around the embryo?

9. After fertilization, the ovary of a flower develops into a structure surrounding the seeds. What is a major function of this new structure?

10. Which vascular tissue mainly transports water and dissolved minerals from the roots toward the rest of the plant?

11. A young plant beside a window curves so that its leaves face the light. Which main part performs most of the bending that repositions the leaves?

12. As a root grows through rough soil, which structure protects the delicate tissues at its advancing tip?

13. Sugar made in a mature leaf must travel to a growing root. Which tissue carries much of this sugar through the plant?

14. During pollination, a grain of pollen is transferred to which flower part, where it can begin the process leading toward fertilization?

15. In a bean seed, which structures are the seed leaves that can supply stored food to the developing embryo?

16. In most plants, which organs capture light and carry out most photosynthesis?