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- 1. Multiple Choice
How do plants respond to light?
By growing leaves
They turn the same color as the light.
By bending towards the light
- 2. Multiple Choice
Raul grows seedlings near a window located on the right of the picture. How do the plants respond to light?
Leaves close as they touch the window.
Roots grow downward toward the soil
Stems and leaves grow toward the light.
Stems and leaves grow away from the light.
- 3. Multiple Choice
How do plants respond to gravity?
The roots and stem both
grow downward.
The roots and stem both
grow upward.
The roots grow downward and
the stem grows upward.
The roots grow upward and the
stem grows downward.
- 4. Multiple Choice
Which stimulus affected the direction of the stem and leaves?
heat
light
gravity
all of the above
- 5. Multiple Choice
Why did the leaves of this tomato plant wilt?
heat
light
gravity
all of the above
- 6. Multiple Choice
Plants will always grow toward this stimulus, and they normally take the shortest path to it.
grass
light
gravity
heat
- 7. Multiple Choice
What best describes the way a plant's roots grow?
Roots grow in any direction
Roots grow down into the ground
Roots grow up towards the sun
Roots grow from the flowers
- 8. Multiple Choice
Which picture shows a plant that has been left in a sunny window for several days?
Picture E
Picture F
Picture G
Picture H
- 9. Multiple Choice
Joe places his places his plant by a light. The picture shows the plant and the light. What would happen of Joe placed the light on the other side of the plant?
the leaves would die
the flower would close
the roots would grow upward
the stem would grow towards the light
- 10. Multiple Choice
Carl wants to compare how plants respond to light. Which of the following investigations should he do?
put two plants in the freezer
put two plants in a warm spot
put one plant in a cold spot and one under a lamp
put one plant near a window and one plant in a dark corner
- 11. Multiple Choice
Look at the plant in the picture. Where in this room can you infer that the one window is located?
near 1
near 2
near 3
near 4
- 12. Multiple Choice
Which statement describes one way that a plant responds to its environment?
Its roots grow towards light
Its stem grows towards light
Its roots grow against the force of gravity
Its stem grows down in response to gravity
- 13. Multiple Choice
A tree's roots grow downward. What are the roots MOST LIKELY responding to?
soil
gravity
heat
light
- 14. Multiple Choice
Because of gravity, a plant's
root grow down and stems grow up
roots grow up and stems grow down
leaves grow down and roots spread out
leaves and roots spread out
- 15. Multiple Choice
What plant stimulus causes fruit to become ripe?
gravity
light
changes in temperature
water
- 16. Multiple Choice
Plant roots grow towards water. Which plant is growing in area where there has been little to no rain?
Plant W
Plant X
Plant Y
Plant Z
- 17. Multiple Choice
Leaves fall off trees in the northern states as a response to
gravity
light
changes in temperature
water
- 18. Multiple Choice
Roots will always grow
towards the sun
towards water
away from the sun
away from water
- 19. Multiple Choice
Plants respond to stimulus such as
gravity
light
changes in temperature
all answer choices are correct
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