Chapter 38 – Plant Nutrition and Soils
48. A plant with 80 available ATP could produce 10 molecules of NH3.
Chapter 38 – Plant Nutrition and Soils
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can be built into a NH3 molecule.
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process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 38 – Plant Nutrition and Soils
49. Blocking the proton pumps in a root would result in a more negative membrane potential
and an increase in K+ uptake.
Chapter 38 – Plant Nutrition and Soils
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process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
• Apply level:
Chapter 38 – Plant Nutrition and Soils
50. A soil sample with a OH– concentration of 10-9 M may also have high levels of
aluminum.
Chapter 38 – Plant Nutrition and Soils
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the soil.
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soil? How does it relate to the question?
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• Given what you now know, what information and/or problem solving approach is
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more desirable result?
• Apply level:
Chapter 38 – Plant Nutrition and Soils
51. As global temperatures increase, evidence suggests that ribulose 1, 5-biphosphate
carboxylase/oxygenase (rubisco) is likely to denature and photosynthesis rates will decrease.
52. Saline soils have a higher water potential than plant roots.
Chapter 38 – Plant Nutrition and Soils
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Chapter 38 – Plant Nutrition and Soils
Check All That Apply Questions
53. In lab, you are studying the long term effects of elevated carbon dioxide levels on
photosynthesis in C3 and C4 plants. The C3 and C4 plants are growing in separate closed
chambers. Both chambers are constantly given elevated but equal amounts of carbon
dioixde. Which of the following are likely results of this experiment? Check all that apply.
Chapter 38 – Plant Nutrition and Soils
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Chapter 38 – Plant Nutrition and Soils
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True / False Questions
54. Most parasitic plants like other land plants have mycorrhizal symbionts.
Chapter 38 – Plant Nutrition and Soils
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species.
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likely to produce the correct answer?
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process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
• Apply level:
Chapter 38 – Plant Nutrition and Soils
Check All That Apply Questions
55. Which of the following is a natural process of plants that can be used by humans to
remove toxins from soils? Check all that apply.
56. Which of the following statements about plant macronutrients is/are true? Check all that
apply.