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13 questions
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- Q1Which example demonstrates positive tropism?A flowering plant, sitting on a table, is growing away from an adjacent window.A flowering plant, sitting on a table, is growing straight up.A flowering plant, sitting on a table, is unable to grow.A flowering plant, sitting on a table, is growing toward an adjacent window.30s
- Q2How is phototropism beneficial to a plant?Phototropism allows a plant′s roots to avoid light by growing deeper into the soil.Phototropism allows a plant to anchor firmly in the soil.Phototropism allows more of a plant’s leaves to be in direct sun so they can absorb more light.Phototropism allows a plant to better absorb water.30s
- Q3Which is an example of a plant′s adaptation to its environment?A plant has green leaves.The roots of a cactus spread outward instead of downward.A wilted plant returns to an upright position after being watered.A flower loses all of its petal during a strong wind.30s
- Q4What would happen to the plant if it were turned away from the light source?The plant would bend towards the light source.The plant would be unaffected.The plant would stop growing.The plant would move away from the light source.30s
- Q5Which best describes phototropism?a sunflower turning to face the sunroots growing down undergrounda tree losing its leaves in the falla vine wrapping around a fence30s
- Q6Which tropism are plants most likely demonstrating when their roots grow toward water in a dry area?geotropismgravitropismhydrotropismphototropism30s
- Q7Which feature would most help increase the survival of a plant during long periods of snow and ice?its ability to grow toward the sunits ability to remain dormantits ability to absorb more water through the rootsits ability to reproduce quickly30s
- Q8Why is the root growth in Experiment Y different from the root growth in Experiment X?The root in Experiment X is growing away from the air in the pot.The root in Experiment Y is growing toward a light source.The root in Experiment Y is growing toward the water source.The root in Experiment X is growing upward due to gravity.30s
- Q9A student walks outside and notices buds beginning to form on plants and trees. What is the current status of development for these plants and trees?entering dormancyexiting dormancyending pollinationexperiencing reduced growth30s
- Q10How does dormancy most likely help a plant survive?It helps a plant conserve energy.It helps a plant camouflage itself.It helps a plant absorb sunlight.It helps a plant grow taller.30s
- Q11Which factor would most likely cause a plant to become dormant?a change in temperaturean increase in carbon dioxide levelsan increase in sugar productiona change in oxygen levels30s
- Q12Which environmental factor is most likely to end a seed’s dormancy?atmospheric oxygen concentrationtype of soilair temperatureblooming of nearby flowers30s
- Q13Which best describes the stems of the plant.positive response to watera negative response to lighta negative response to watera negative response to gravity30s
