6 th Grade Science Chapter 11 Plants Chapter Review San Rafael Falls, Ecuador

1.About how many varieties of plants have been discovered? a. 2,600c. over 300,000 b. 35,000d. 2,6000,000 Answer: Over 300,000 Chapter 11 Review Questions

2.What makes plants green? a. chlorophyllc. stomata b. photosynthesisd. carotenoids Answer: chlorophyll Chapter 11 Review Questions

3. Plants use chlorophyll to make sugar using a process called _________. a. chlorophyllc. stomata b. photosynthesisd. carotenoids Answer: photosynthesis Chapter 11 Review Questions

5. The _____ is a waxy protective layer on leaves? a. xylemc. cuticle b. phloemd. cambium Answer: cuticle Chapter 11 Review Questions

6. Which of the following is a seedless vascular plant? a. mossc. horsetail b. liverwortd. pine Answer: horsetail Chapter 11 Review Questions

7. Which of the following is a seedless nonvascular plant? a. mossc. horsetail b. liverwortd. pine Answer: moss Chapter 11 Review Questions

8. What are the small openings in the surface of a leaf surrounded by guard cells called? a. stomatac. rhizoids b. cuticlesd. angiosperms Answer: stomata Chapter 11 Review Questions

9. What are the plant structures that anchor the plants called? a. stemsc. leaves b. roots d. branches Answer: roots Chapter 11 Review Questions

10. What are the plant structures where photosynthesis takes place called? a. stemsc. leaves b. roots d. branches Answer: leaves Chapter 11 Review Questions

11. What are the plant structures that support the branches and leaves? a. stemsc. leaves b. roots d. branches Answer: stems Chapter 11 Review Questions

13. What are the plant structures that anchor moss called? a. stemsc. rhizoids b. roots d. branches Answer: rhizoids Chapter 11 Review Questions

14. Mosses, liverworts, and hornworts are ______ plants. a. non-vascular, seedless b. non-vascular, seed c. vascular, seedless d. vascular, seed Answer: Non-vascular, seedless Chapter 11 Review Questions

15. Ferns, club mosses, and horsetails are ______ plants. a. non-vascular, seedless b. non-vascular, seed c. vascular, seedless d. vascular, seed Answer: vascular, seedless Chapter 11 Review Questions

17. What do plants use vascular tissue? a. transfer water - mineralsc. food b. support the plantd. photosynthesis Answer: Transfer water - minerals Chapter 11 Review Questions

18. What are the first plants to grow in new or disturbed area? a. frondsc. pioneer species b. gymnospermsd. angiosperms Answer: Pioneer species Chapter 11 Review Questions

Answer: Fronds 19. Fern leaves are called _____? a. frondsc. pioneer species b. gymnospermsd. angiosperms Chapter 11 Review Questions

20. Seedless produce ______ rather than seeds. a.photosynthesisc. peat b.sporesd. nonvascular plant Answer: Spores Chapter 11 Review Questions

22. ______ plants grow taller and can live farther from water than _______ plants. a. Vascular, nonvascular c. Seedless, rhizoid b. Nonvascular, vasculard. Rhizoid, seedless Answer: Vascular, nonvascular Chapter 11 Review Questions

23. Seed plants generally are classified into two major groups - ______ and______. a.fruits, nuts b.fruits, vegetables c.plants, weeds d.gymnosperms, angiosperms Answer: gymnosperms, angiosperms Chapter 11 Review Questions

24. A herbaceous stem is ______. a. soft and greenc. short and dry b. brown and woodyd. thorny and green Answer: Soft and green Chapter 11 Review Questions

25. Each stomata is surrounded by two_____ cells. a. Chloroplastc. epidermis b. guardd. spongy Answer: guard Chapter 11 Review Questions

26. ______ allow carbon dioxide, water, and oxygen to enter and exit a leaf. a. cuticlec. rhizoids b. chloroplastd. stomata Answer: stomata Chapter 11 Review Questions

27. ____ is often the largest part of a plant. a. rootsc. branches b. stemd. leaves Answer: roots Chapter 11 Review Questions

28. ______ transports the water in the vascular system of a seed plant. a. cambiumc. xylem b. phloemd. leaves Answer: xylem Chapter 11 Review Questions

29. ______ transports the sugar (food) in the vascular system of a seed plant. a. cambiumc. xylem b. phloemd. leaves Answer: phloem Chapter 11 Review Questions

30. ______ produces most of the new phloem and xylem in the vascular system of a seed plant. a. cambiumc. xylem b. phloemd. leaves Answer: cambium Chapter 11 Review Questions

31. _____ are vascular plants that produce seeds that are not protected by fruit. a. angiospermsc. nonvascular b. gymnospermsd. seedless Answer: gymnosperms Chapter 11 Review Questions

32. _____ are vascular plants that produce seeds that are protected by fruit. a. angiospermsc. nonvascular b. gymnospermsd. seedless Answer: Angiosperms Chapter 11 Review Questions

33. Conifers, cycads, and ginkgoes are classified as _______. a. angiospermsc. nonvascular b. gymnospermsd. seedless Answer: gymnosperms Chapter 11 Review Questions

34. Apple trees, maple trees, and oak trees are classified as _______. a. angiospermsc. nonvascular b. gymnospermsd. seedless Answer: Angiosperms Chapter 11 Review Questions

35. Angiosperms are divided into two groups - _____ and _____ a. monocots, dicotsc. fruits, nuts b. plants, weeds d. tall, short Answer: Monocots, dicots Chapter 11 Review Questions

36. Corn, rice, wheat, and barley come from _____ a. monocotsc. nonvascular b. dicotsd. seedless Answer: monocots Chapter 11 Review Questions

37. Peanuts, peas, apples, and oranges come from _____ a. monocotsc. nonvascular b. dicotsd. seedless Answer: dicots Chapter 11 Review Questions

38. Plants called biennials complete their life cycles in _____ years. a. onec. more than two years b. two d. less than one year Answer: two Chapter 11 Review Questions

39. Plants called annuals complete their life cycles in _____ year(s). a. onec. more than two years b. two d. less than one year Answer: one Chapter 11 Review Questions

40. Plants called perennials complete their life cycles in _____ years. a. onec. more than two years b. two d. less than one year Answer: More than two years Chapter 11 Review Questions