6 th grade science chapter 11 plants chapter review

6th Grade Science

Chapter 11 Plants

Chapter Review

San Rafael Falls, Ecuador

1. 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

Chapter 11Review Questions

2. What makes plants green?a. chlorophyll c. stomatab. photosynthesis d. carotenoids

Answer:

chlorophyll


3. Plants use chlorophyll to make sugar using a process called _________.a. chlorophyll c. stomatab. photosynthesis d. carotenoids

Answer:

photosynthesis


5. The _____ is a waxy protective layer on leaves?a. xylem c. cuticleb. phloem d. cambium

Answer:

cuticle


6. Which of the following is a seedless vascular plant?a. moss c. horsetailb. liverwort d. pine

Answer:

horsetail


7. Which of the following is a seedless nonvascular plant?

a. moss c. horsetail

b. liverwort d. pine

Answer:

moss


8. What are the small openings in the surface of a leaf surrounded by guard cells called?a. stomata c. rhizoidsb. cuticles d. angiosperms

Answer:

stomata


9. What are the plant structures that anchor the plants called?a. stems c. leavesb. roots d. branches

Answer:

roots


10. What are the plant structures where photosynthesis takes place called?a. stems c. leavesb. roots d. branches

Answer:

leaves


11. What are the plant structures that support the branches and leaves?a. stems c. leavesb. roots d. branches

Answer:

stems


12. What are the small openings in the surface of a leaf surrounded by guard cells called?a. stomata c. rhizoidsb. cuticles d. angiosperms

Answer:

stomata


13. What are the plant structures that anchor moss called?a. stems c. rhizoidsb. roots d. branches

Answer:

rhizoids


14. Mosses, liverworts, and hornworts are ______ plants. a. non-vascular, seedlessb. non-vascular, seedc. vascular, seedlessd. vascular, seed

Answer:

Non-vascular, seedless


15. Ferns, club mosses, and horsetails are ______ plants. a. non-vascular, seedlessb. non-vascular, seedc. vascular, seedlessd. vascular, seed

Answer:

vascular, seed


17. What do plants use vascular tissue?a. transfer water - minerals c. food b. support the plant d. photosynthesis

Answer:

Transfer water - minerals


18. What are the first plants to grow in new or disturbed area?a. fronds c. pioneer speciesb. gymnosperms d. angiosperms

Answer:

Pioneer species


Answer:

Fronds

19. Fern leaves are called _____?a. fronds c. pioneer speciesb. gymnosperms d. angiosperms


20. Seedless produce ______ rather than seeds.

a. photosynthesis c. peat

b. spores d. nonvascular plant

Answer:

Spores


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


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


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


25. Each stomata is surrounded by two_____ cells.

a. Chloroplast c. epidermis

b. guard d. spongy

Answer:

guard


26. ______ allow carbon dioxide, water, and oxygen to enter and exit a leaf.

a. cuticle c. rhizoids

b. chloroplast d. stomata

Answer:

stomata


27. ____ is often the largest part of a plant.

a. roots c. branches

b. stem d. leaves

Answer:

roots


28. ______ transports the water in the vascular system of a seed plant.a. cambium c. xylemb. phloem d. leaves

Answer:

xylem


29. ______ transports the sugar (food) in the vascular system of a seed plant.a. cambium c. xylemb. phloem d. leaves

Answer:

phloem


30. ______ produces most of the new phloem and xylem in the vascular system of a seed plant.a. cambium c. xylemb. phloem d. leaves

Answer:

cambium


31. _____ are vascular plants that produce seeds that are not protected by fruit.

a. angiosperms c. nonvascularb. gymnosperms d. seedless

Answer:

gymnosperms


32. _____ are vascular plants that produce seeds that are protected by fruit.


Answer:Angiosperms


33. Conifers, cycads, and ginkgoes are classified as _______.

a. angiosperms c. nonvascular

b. gymnosperms d. seedless

Answer:

gymnosperms


34. Apple trees, maple trees, and oak trees are classified as _______.


Answer:

Angiosperms


35. Angiosperms are divided into two groups - _____ and _____

a. monocots, dicots c. fruits, nutsb. plants, weeds d. tall, short

Answer:

Monocots, dicots


36. Corn, rice, wheat, and barley come from _____a. monocots c. nonvascularb. dicots d. seedless

Answer:

monocots


37. Peanuts, peas, apples, and oranges come from _____

a. monocots c. nonvascular

b. dicots d. seedless

Answer:

dicots


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


39. Plants called annuals complete their life cycles in _____ year(s).

a. one c. more than two yearsb. two d. less than one year

Answer:

one


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


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