AP_Bio_Unit_6_Study_Guide_Chapter_37 - Name: _ Class: _...

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Name: ________________________ Class: ___________________ Date: __________ ID: A 1 AP Bio Unit 6 Study Guide Chapter 37 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. Which of the following describes the fate of most of the water taken up by a plant? a. It is used as a solvent. b. It is used as a hydrogen source in photosynthesis. c. It is lost during transpiration. d. It makes cell elongation possible. e. It is used to keep cells turgid. ____ 2. Most of the dry weight of a plant is the result of uptake of a. water and minerals through root hairs. b. water and minerals through mycorrhizae. c. CO 2 through stomata in leaves. d. CO 2 and O 2 through stomata in leaves. e. both A and B ____ 3. Organic molecules make up what percentage of the dry weight of a plant? a. 6% b. 17% c. 67% d. 81% e. 96% ____ 4. You are conducting an experiment on plant growth. You take a plant fresh from the soil that weighs 5 kg. Then you dry the plant overnight and determine the dry weight to be 1 kg. Of this dry weight, how much would you expect to be made up of inorganic minerals? a. 1 gram b. 5 grams c. 50 grams d. 75 grams e. 1 kg ____ 5. When performing a mineral nutrition experiment, researchers use water from a glass still. Why is it not a good idea to use regular distilled water from a stainless steel still? a. With a steel still, lime deposits from hard water will build up too quickly. b. Salts in the water corrode steel more quickly than glass. c. Metal ions dissolving off the steel may serve as micronutrients. d. A glass still allows the distillation process to be observed. e. There is no difference; both kinds of stills produce distilled water.
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Name: ________________________ ID: A 2 ____ 6. Which of the following essential nutrients does not have a role in photosynthesis, either as a structural component or in the synthesis of a component? a. Fe b. Bo c. Mg d. H e. K ____ 7. Which of the following elements is incorrectly paired with its function in a plant? a. nitrogen—component of nucleic acids, proteins, hormones, coenzymes b. magnesium—component of chlorophyll; activates many enzymes c. phosphorus—component of nucleic acids, phospholipids, ATP, several coenzymes d. potassium—cofactor functional in protein synthesis; osmosis; operation of stomata e. sulfur—component of DNA; activates some enzymes ____ 8. Which of the following best describes the general role of micronutrients in plants? a.
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This note was uploaded on 07/24/2011 for the course BIO 101 taught by Professor Dr.panama during the Spring '09 term at Wichita State.

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AP_Bio_Unit_6_Study_Guide_Chapter_37 - Name: _ Class: _...

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