6 th  Grade Science  Chapter 12 Plant Processes Chapter Review Questions Keukenhof Gardens - Holland
<ul><li>Word Bank A </li></ul><ul><li>Gravitropism </li></ul><ul><li>Photosynthesis </li></ul><ul><li>Photoperiodism </li>...
<ul><li>A plants response to gravity is called ______. </li></ul><ul><li>a. phototropism c. photosynthesis </li></ul><ul><...
<ul><li>The process of food-making in plants is _____. </li></ul><ul><li>a. chlorophyll c. stomata </li></ul><ul><li>b. ph...
<ul><li>3. A flowering response of a plant to length of light and dark is called ______. </li></ul><ul><li>a. phototropism...
<ul><li>4. A plants growth response to light is called  ______. </li></ul><ul><li>a. phototropism c. photosynthesis </li><...
<ul><li>5. _______ plants require long nights to flower. </li></ul><ul><li>a. long-day c. respiration </li></ul><ul><li>b....
<ul><li>6. _______ plants require short days to flower. </li></ul><ul><li>a. long-day c. respiration </li></ul><ul><li>b. ...
<ul><li>7. _______ is the process of releasing energy from food. </li></ul><ul><li>a. long-day c. respiration </li></ul><u...
<ul><li>8. _______ is the process of using light energy to make food. </li></ul><ul><li>a. long-day c. respiration </li></...
<ul><li>9. _______ plants flower over a wide range of dark periods. </li></ul><ul><li>a. long-day c. day-neutral </li></ul...
<ul><li>10. _____ is anything in the environment that affects the behavior of an organism. </li></ul><ul><li>a. stomata c....
<ul><li>11. _____ is an internal stimulus of a plant. </li></ul><ul><li>a. stomata c. hormone </li></ul><ul><li>b. tropism...
<ul><li>12. _____ is an external stimulus of a plant. </li></ul><ul><li>a. stomata c. hormone </li></ul><ul><li>b. tropism...
<ul><li>13. _____ is a plant’s response to gravity. </li></ul><ul><li>a. phototropism c. thigmotropism </li></ul><ul><li>b...
<ul><li>14. _____ is a plant’s response to light. </li></ul><ul><li>a. phototropism c. thigmotropism </li></ul><ul><li>b. ...
<ul><li>15. _____ is a plant’s response to touch. </li></ul><ul><li>a. phototropism c. thigmotropism </li></ul><ul><li>b. ...
<ul><li>16. _____ is the response of roots growing downward. </li></ul><ul><li>a. negative phototropism   c. negative grav...
<ul><li>17. _____ is the response of stems growing upward. </li></ul><ul><li>a. negative phototropism c. negative gravitro...
<ul><li>18. _____ is the response of a stem growing toward the light. </li></ul><ul><li>a. negative phototropism   c. nega...
<ul><li>19. Auxins cause cells to grow ______. </li></ul><ul><li>Longer on the sunny side of the stem </li></ul><ul><li>Lo...
<ul><li>20. Ethylene gas does NOT ______.  </li></ul><ul><li>a. Ripen fruit c. cause leaves to fall off </li></ul><ul><li>...
<ul><li>21. _____ is a plant hormone that causes a plant to show positive phototropism. </li></ul><ul><li>Auxin c. ethylen...
<ul><li>22. _____ is a plant hormone that causes rapid growth and helps stored vegetables stay fresh. </li></ul><ul><li>Au...
<ul><li>23. _____ is a plant hormone that prevents seeds from sprouting to soon. </li></ul><ul><li>Auxin c. ethylene </li>...
<ul><li>24. _____ is a green pigment in plants. </li></ul><ul><li>Auxin c. chlorophyll </li></ul><ul><li>cytokinin d. Absc...
<ul><li>25. Most carbon dioxide enters the plants through stomata on the ______. </li></ul><ul><li>a. Lower surface of lea...
<ul><li>26. Light, ____, and carbon dioxide all affect the opening and closing of the stomata. </li></ul><ul><li>a. gravit...
<ul><li>27. The plant hormone that causes stomata to close and that helps plants respond to water loss is ___. </li></ul><...
<ul><li>28. The plant hormone that stimulates plant stem growth and seeds to germinate is ______. </li></ul><ul><li>a. cyt...
<ul><li>29. The green colors of tree leaves are due to _____ in the leaves. </li></ul><ul><li>a. auxins c. pigments </li><...
<ul><li>30. Most of the plants food is made in the _______ layer. </li></ul><ul><li>a. palisade layer c. lower epidermis <...
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Test 12 review questions

  1. 1. 6 th Grade Science Chapter 12 Plant Processes Chapter Review Questions Keukenhof Gardens - Holland
  2. 2. <ul><li>Word Bank A </li></ul><ul><li>Gravitropism </li></ul><ul><li>Photosynthesis </li></ul><ul><li>Photoperiodism </li></ul><ul><li>Phototropism </li></ul><ul><li>Short-day </li></ul><ul><li>Day-neutral </li></ul><ul><li>Long-day </li></ul>Chapter 12 Review Questions Word Banks <ul><li>Word Bank B </li></ul><ul><li>Stimulus </li></ul><ul><li>Hormone </li></ul><ul><li>Tropism </li></ul><ul><li>Phototropism </li></ul><ul><li>Thigmotropism </li></ul><ul><li>Respiration </li></ul><ul><li>Palisade layer </li></ul><ul><li>Word Bank C </li></ul><ul><li>Auxin </li></ul><ul><li>Ethylene </li></ul><ul><li>Cytokinin </li></ul><ul><li>Abscisic acid </li></ul><ul><li>Chlorophyll </li></ul><ul><li>Gibberellin </li></ul>
  3. 3. <ul><li>A plants response to gravity is called ______. </li></ul><ul><li>a. phototropism c. photosynthesis </li></ul><ul><li>b. gravitropism d. photoperiodism </li></ul>Answer: gravitropism Chapter 12 Review Questions
  4. 4. <ul><li>The process of food-making in plants is _____. </li></ul><ul><li>a. chlorophyll c. stomata </li></ul><ul><li>b. photosynthesis d. carotenoids </li></ul>Answer: photosynthesis Chapter 12 Review Questions
  5. 5. <ul><li>3. A flowering response of a plant to length of light and dark is called ______. </li></ul><ul><li>a. phototropism c. photosynthesis </li></ul><ul><li>b. gravitropism d. photoperiodism </li></ul>Answer: photoperiodism Chapter 12 Review Questions
  6. 6. <ul><li>4. A plants growth response to light is called ______. </li></ul><ul><li>a. phototropism c. photosynthesis </li></ul><ul><li>b. gravitropism d. photoperiodism </li></ul>Answer: phototropism Chapter 12 Review Questions
  7. 7. <ul><li>5. _______ plants require long nights to flower. </li></ul><ul><li>a. long-day c. respiration </li></ul><ul><li>b. short-day d. photosynthesis </li></ul>Answer: Short-day Chapter 12 Review Questions
  8. 8. <ul><li>6. _______ plants require short days to flower. </li></ul><ul><li>a. long-day c. respiration </li></ul><ul><li>b. short-day d. photosynthesis </li></ul>Answer: short-day Chapter 12 Review Questions
  9. 9. <ul><li>7. _______ is the process of releasing energy from food. </li></ul><ul><li>a. long-day c. respiration </li></ul><ul><li>b. short-day d. photosynthesis </li></ul>Answer: Respiration Chapter 12 Review Questions
  10. 10. <ul><li>8. _______ is the process of using light energy to make food. </li></ul><ul><li>a. long-day c. respiration </li></ul><ul><li>b. short-day d. photosynthesis </li></ul>Answer: photosynthesis Chapter 12 Review Questions
  11. 11. <ul><li>9. _______ plants flower over a wide range of dark periods. </li></ul><ul><li>a. long-day c. day-neutral </li></ul><ul><li>b. short-day d. photosynthesis </li></ul>Answer: Day-neutral Chapter 12 Review Questions
  12. 12. <ul><li>10. _____ is anything in the environment that affects the behavior of an organism. </li></ul><ul><li>a. stomata c. hormone </li></ul><ul><li>b. tropism d. stimulus </li></ul>Answer: stimulus Chapter 12 Review Questions
  13. 13. <ul><li>11. _____ is an internal stimulus of a plant. </li></ul><ul><li>a. stomata c. hormone </li></ul><ul><li>b. tropism d. stimulus </li></ul>Answer: hormone Chapter 12 Review Questions
  14. 14. <ul><li>12. _____ is an external stimulus of a plant. </li></ul><ul><li>a. stomata c. hormone </li></ul><ul><li>b. tropism d. stimulus </li></ul>Answer: tropism Chapter 12 Review Questions
  15. 15. <ul><li>13. _____ is a plant’s response to gravity. </li></ul><ul><li>a. phototropism c. thigmotropism </li></ul><ul><li>b. gravitropism d. stimulus </li></ul>Answer: gravitropism Chapter 12 Review Questions
  16. 16. <ul><li>14. _____ is a plant’s response to light. </li></ul><ul><li>a. phototropism c. thigmotropism </li></ul><ul><li>b. gravitropism d. stimulus </li></ul>Answer: phototropism Chapter 12 Review Questions
  17. 17. <ul><li>15. _____ is a plant’s response to touch. </li></ul><ul><li>a. phototropism c. thigmotropism </li></ul><ul><li>b. gravitropism d. stimulus </li></ul>Answer: thigmotropism Chapter 12 Review Questions
  18. 18. <ul><li>16. _____ is the response of roots growing downward. </li></ul><ul><li>a. negative phototropism c. negative gravitropism </li></ul><ul><li>b. positive phototropism d. positive gravitropism </li></ul>Answer: Positive gravitropism Chapter 12 Review Questions
  19. 19. <ul><li>17. _____ is the response of stems growing upward. </li></ul><ul><li>a. negative phototropism c. negative gravitropism </li></ul><ul><li>b. positive phototropism d. positive gravitropism </li></ul>Answer: Negative gravitropism Chapter 12 Review Questions
  20. 20. <ul><li>18. _____ is the response of a stem growing toward the light. </li></ul><ul><li>a. negative phototropism c. negative gravitropism </li></ul><ul><li>b. positive phototropism d. positive gravitropism </li></ul>Answer: Positive phototropism Chapter 12 Review Questions
  21. 21. <ul><li>19. Auxins cause cells to grow ______. </li></ul><ul><li>Longer on the sunny side of the stem </li></ul><ul><li>Longer on the shaded side of the stem </li></ul><ul><li>Shorter on the sunny side of the stem </li></ul><ul><li>Shorter on the shaded side of the stem </li></ul>Answer: Longer on the shaded side of the stem Chapter 12 Review Questions
  22. 22. <ul><li>20. Ethylene gas does NOT ______. </li></ul><ul><li>a. Ripen fruit c. cause leaves to fall off </li></ul><ul><li>b. Lengthen stems d. cause leaves to change color </li></ul>Answer: Lengthen stems Chapter 12 Review Questions
  23. 23. <ul><li>21. _____ is a plant hormone that causes a plant to show positive phototropism. </li></ul><ul><li>Auxin c. ethylene </li></ul><ul><li>cytokinin d. Abscisic acid </li></ul>Answer: Auxin Chapter 12 Review Questions
  24. 24. <ul><li>22. _____ is a plant hormone that causes rapid growth and helps stored vegetables stay fresh. </li></ul><ul><li>Auxin c. ethylene </li></ul><ul><li>cytokinin d. Abscisic acid </li></ul>Answer: ethylene Chapter 12 Review Questions
  25. 25. <ul><li>23. _____ is a plant hormone that prevents seeds from sprouting to soon. </li></ul><ul><li>Auxin c. ethylene </li></ul><ul><li>cytokinin d. Abscisic acid </li></ul>Answer: Abscisic acid Chapter 12 Review Questions
  26. 26. <ul><li>24. _____ is a green pigment in plants. </li></ul><ul><li>Auxin c. chlorophyll </li></ul><ul><li>cytokinin d. Abscisic acid </li></ul>Answer: chlorophyll Chapter 12 Review Questions
  27. 27. <ul><li>25. Most carbon dioxide enters the plants through stomata on the ______. </li></ul><ul><li>a. Lower surface of leaves c. tips of the stems </li></ul><ul><li>b. Root tips d. upper surface of leaves </li></ul>Answer: Lower surface of leaves Chapter 12 Review Questions
  28. 28. <ul><li>26. Light, ____, and carbon dioxide all affect the opening and closing of the stomata. </li></ul><ul><li>a. gravity c. minerals </li></ul><ul><li>b. insects d. water </li></ul>Answer: water Chapter 12 Review Questions
  29. 29. <ul><li>27. The plant hormone that causes stomata to close and that helps plants respond to water loss is ___. </li></ul><ul><li>a. cytokinin c. gibberellin </li></ul><ul><li>b. auxin d. abscisic </li></ul>Answer: auxin Chapter 12 Review Questions
  30. 30. <ul><li>28. The plant hormone that stimulates plant stem growth and seeds to germinate is ______. </li></ul><ul><li>a. cytokinin c. gibberellin </li></ul><ul><li>b. auxin d. abscisic </li></ul>Answer: gibberelin Chapter 12 Review Questions
  31. 31. <ul><li>29. The green colors of tree leaves are due to _____ in the leaves. </li></ul><ul><li>a. auxins c. pigments </li></ul><ul><li>b. carbon dioxide d. chlorophyll </li></ul>Answer: chlorophyll Chapter 12 Review Questions
  32. 32. <ul><li>30. Most of the plants food is made in the _______ layer. </li></ul><ul><li>a. palisade layer c. lower epidermis </li></ul><ul><li>b. spongy layer d. upper epidermis </li></ul>Answer: Palisade layer Chapter 12 Review Questions

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