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- 1. Multiple Choice
Frank was out of town for a few days and when he returned, he noticed that his plant was very wilted. He watered the plant and put it in the sun. A few hours later, he noticed that it the leaves on the plant had perked up and looked fine again. The image shows the plants before and after the water and exposure to sunlight.
Why did this occur?
The plants needed the water to help the leaves undergo photosynthesis.
The plants needed to be put in the sun so the sunlight could attract the plant.
The plants needed to be outside so it could be affected by the gravity of the Earth.
The plants needed the water so the cells could expand and keep the plant upright.
- 2. Multiple Choice
Billy orders a plant for his garden. When it was delivered, the roots and the plant stem were not growing straight out of the clay pot. Instead, the direction of their growth was in a 'sideways' direction. The diagram shows the direction the plant was growing when it was received by Billy.
Why is the most likely reason for the direction of the plant growth?
The plant lost turgor pressure and changed it's growth direction.
The plant was laid on it's side inside the package and geotropism caused the plant to change it's growth direction.
The plant found light through the sealed package and phototropism caused the plant to change it's direction of growth.
Plants normally grow in strange patterns until they reach a certain age.
- 3. Multiple Choice
A bean plant grown on Earth and a bean plant grown aboard the International Space Station are MOST likely to differ in the —
color of their leaves
shape of their root systems
nutrients they need to survive
way they respond to direct light
- 4. Multiple Choice
Which of these best completes the concept map?
calcium
friction
gravity
chemical imbalance
- 5. Multiple Choice
If the top portion of plants grow "up," explain why a small tree on a hillside does not grow straight out from the hillside?
The tree is growing toward water.
The tree is resting on the hillside.
The tree is leaning toward the top of the hill so rain won't wash it off.
The tree's roots and trunk are growing in response to gravity.
- 6. Multiple Choice
The diagram illustrates a seed germinating. Many forces, including responses to moisture, temperature, and gravity are at work in this process. Which part of the seedling is demonstrating a negative response to gravity and which is showing a positive response to gravity?
I is negative and III is positive.
IV is negative and II is positive.
II is negative and III is positive
III is negative and IV is positive.
- 7. Multiple Choice
he diagram illustrates a seed germinating. Many forces, including responses to moisture, light, temperature, and gravity are at work in this process.
Which of the following correctly describes two of the seedling's responses to stimuli?
I is negative to light, and III is positive to gravity.
IV is negative to temperature, and II is negative to gravity.
II is negative to light, and III is positive to gravity.
II is positive to gravity, and IV is positive to moisture.
- 8. Multiple Choice
Scientists on a space shuttle mission studying plant growth would probably see that the plants on the space shuttle do not grow in the same direction and pattern as those on Earth. Scientists working in space would MOST LIKELY be studying the effects of which of the following stimuli on plant growth?
gravity
oxygen
radiation
temperature
- 9. Multiple Choice
The diagram illustrates a seed germinating. Many forces, including responses to moisture, temperature, and gravity, are at work in this process. Which part of the seedling demonstrates a negative response to gravity?
I
II
III
IV
- 10. Multiple Choice
The tip of a plant's root is covered by a root cap. The root cap produces a slimy, slippery substance. Which of the following is the MOST likely purpose for this substance?
absorbing water and nutrients in soil
reducing the plant's need for soil
helping roots grow through the soil
anchoring the plant to the soil
- 11. Multiple Choice
The roots of the plant in the diagram above are exhibiting which behavior?
Autotropism
Hydrotropism
Geotropism
Phototropism
- 12. Multiple Choice
Kinesiology studies how the body initiates and controls movement, beginning with the brain and using interactions of different body systems. The body moves when internal and external forces act on it. Internal forces are generated within the body, while external forces are generated outside of the body.
Internally, muscles generate force as they contract and bones generate movement. Which statement accurately represents how forces affect motion in organisms?
When a muscle relaxes, it applies a pulling force on a bone, causing it to move.
When a bone relaxes, it applies a pushing force on a muscle, causing it to move.
When a muscle contracts, it applies a pulling force on a bone, which causes movement.
When a bone contracts, it applies a pushing force on a muscle, which causes movement.
- 13. Multiple Choice
Surrounding the lungs are sets of muscles that are able to cause air to be inhaled or exhaled from the lungs. The main muscle of respiration in humans is the diaphragm. The primary role of the respiratory system is to supply red blood cells with oxygen and remove carbon dioxide waste from the body.Which of the following statements best describe the internal relationship of force and motion concerning inhalation and exhalation in the respiratory system?
Statements 1 and 3
Statements 1 and 4
Statements 2 and 3
Statements 2 and 4
- 14. Multiple Choice
The digestive tract contains hollow organs with a layer of muscle that enables their walls to move through a process known as peristalsis. Peristalsis looks like a wave traveling through the muscle. As muscles contract, it creates a narrowing and then propels the narrowed portion forward down the length of the organ. Each wave of narrowing continues to push materials in front of them throughout the digestive organs.
Which of the following statements best demonstrates that forces affect motion in organisms?
Statements 1 and 2
Statements 1 and 3
Statements 1, 3, and 4
Statements 1, 2, 3, and 4
- 15. Multiple Choice
In a germinating seed, the downward growth of roots and upward growth of leaves and stems are the plant's responses to —
sunlight
gravity
osmosis
water
- 16. Multiple Choice
What caused the behavior of the plant in the diagram above?
Response to gravity
Negative homeostasis
Excessive humidity
Lack of turgor pressure
- 17. Multiple Choice
The pictures above show a gerbera daisy that has experienced a change called wilting. Which of the statements below best describes what has happened from Picture A to Picture B?
Water entering the plant increased the turgor pressure in the cells of the flower.
Water entering and leaving the cells of the flower at equal rates kept turgor pressure equal.
Lack of water in the soil decreased the turgor pressure in the cells of the flower.
Lack of sunlight on a cloudy day caused the flower to lose turgor pressure.
- 18. Multiple Choice
The picture below shows a seed germinating and growing into a young plant. Many forces are at work in the process of forming a seedling. The roots of the seedling grow downward into the soil, and the stem of the seedling grows upward above the soil.
what stimulus is the seedling responding to that causes the roots and stem to grow in opposite directions?
Water
Light
Gravity
Temperature
- 19. Multiple Choice
Which part of the plant above demonstrates the greatest amount of turgor pressure?
Part A
Part B
Part C
Part D
- 20. Multiple Choice
What must happen for a seed to emerge from the soil as a seedling
The soil must erode and expose the seed to the sunlight.
An animal searching for food must disrupt the soil.
The seed must exert a force to push a shoot up through the soil.
Another plant must die to make room for the new plant.
- 21. Multiple Choice
Seeds that are planted upside down are still able to grow into mature plants. Which explanation best explains this phenomenon?
The roots change into branches, and the branches turn into roots.
The roots grow toward the force of gravity, and the shoots grow away.
The plant will become a smaller version of a mature plant.
Roots always grow toward the dark, and shoots grow toward the light.
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