6 th Grade Science Chapter 11 Plants Chapter Review

1. 6th Grade Science Chapter 11 PlantsChapter Review San Rafael Falls, Ecuador

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

3. Chapter 11 Review Questions • What makes plants green? a. chlorophyll c. stomata b. photosynthesis d. carotenoids Answer: chlorophyll

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

5. Chapter 11 Review Questions 5. The _____ is a waxy protective layer on leaves? a. xylem c. cuticle b. phloem d. cambium Answer: cuticle

6. Chapter 11 Review Questions 6. Which of the following is a seedless vascular plant? a. moss c. horsetail b. liverwort d. pine Answer: horsetail

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

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

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

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

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

12. Chapter 11 Review Questions 12. What are the small openings in the surface of a leaf surrounded by guard cells called? a. stomata c. rhizoids b. cuticles d. angiosperms Answer: stomata

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

14. 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

15. 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, seed

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

17. Chapter 11 Review Questions 18. What are the first plants to grow in new or disturbed area? a. fronds c. pioneer species b. gymnosperms d. angiosperms Answer: Pioneer species

18. Chapter 11 Review Questions 19. Fern leaves are called _____? a. fronds c. pioneer species b. gymnosperms d. angiosperms Answer: Fronds

19. Chapter 11 Review Questions 20. Seedless produce ______ rather than seeds. a. photosynthesis c. peat b. spores d. nonvascular plant Answer: Spores

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

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

22. Chapter 11 Review Questions 24. A herbaceous stem is ______. a. soft and green c. short and dry b. brown and woody d. thorny and green Answer: Soft and green

23. Chapter 11 Review Questions 25. Each stomata is surrounded by two_____ cells. a. Chloroplast c. epidermis b. guard d. spongy Answer: guard

24. Chapter 11 Review Questions 26. ______ allow carbon dioxide, water, and oxygen to enter and exit a leaf. a. cuticle c. rhizoids b. chloroplast d. stomata Answer: stomata

25. Chapter 11 Review Questions 27. ____ is often the largest part of a plant. a. roots c. branches b. stem d. leaves Answer: roots

26. Chapter 11 Review Questions 28. ______ transports the water in the vascular system of a seed plant. a. cambium c. xylem b. phloem d. leaves Answer: xylem

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

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

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

30. Chapter 11 Review Questions 32. _____ are vascular plants that produce seeds that are protected by fruit. a. angiosperms c. nonvascular b. gymnosperms d. seedless Answer: Angiosperms

31. Chapter 11 Review Questions 33. Conifers, cycads, and ginkgoes are classified as _______. a. angiosperms c. nonvascular b. gymnosperms d. seedless Answer: gymnosperms

32. Chapter 11 Review Questions 34. Apple trees, maple trees, and oak trees are classified as _______. a. angiosperms c. nonvascular b. gymnosperms d. seedless Answer: Angiosperms

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

34. Chapter 11 Review Questions 36. Corn, rice, wheat, and barley come from _____ a. monocots c. nonvascular b. dicots d. seedless Answer: monocots

35. Chapter 11 Review Questions 37. Peanuts, peas, apples, and oranges come from _____ a. monocots c. nonvascular b. dicots d. seedless Answer: dicots

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

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

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