Exam 28: Plant Nutrition and Transport

The following questions refer to the figure above illustrating soil horizons.NOTE: The labels are not the actual names of the soil horizons. -Which of the following contribute to both leaching and soil erosion?

-Water tension in a transpiring plant

Classification.Respond to the following statements with reference to the five plant macronutrients listed below. a.nitrogen b.potassium c.calcium d.magnesium e.phosphorus -This nutrient is an extremely important part of ATP.

A layer of endodermal cells around the cylinder deposit a waterproof band called a __________ in their abutting walls.

MATCHING Matching.Choose the most appropriate answer response for each question. a.responsible for opening and closing of stomata b.mouthpart of an aphid c.pipelines of the xylem d.a mutually beneficial association between a fungus and a young root e.structures on roots that house nitrogen-fixing bacteria f.pipelines of the phloem g.evaporation from stems and leaves h.actively transport sucrose into sieve tubes i.eudicot plants that tend to establish symbiotic relationships with nitrogen-fixing bacteria j. transport of organic molecules from source region to sink k.a waxy band that forces water to diffuse through cells -Casparian strip

-The stomata

What manner of symbiosis is a root nodule? Explain.

Classification.Respond to the following statements with reference to the five plant micronutrients listed below. a.iron b.boron c.manganese d.zinc e.copper -Deficiency of this nutrient results in leaves with dark veins, but leaves whiten and fall off.

The following questions refer to the figure above illustrating soil horizons.NOTE: The labels are not the actual names of the soil horizons. -Which of the following is true concerning root nodules?

__________ is the evaporation of water from plant parts, mainly at stomata, into air.

MATCHING Matching.Choose the most appropriate answer response for each question. a.responsible for opening and closing of stomata b.mouthpart of an aphid c.pipelines of the xylem d.a mutually beneficial association between a fungus and a young root e.structures on roots that house nitrogen-fixing bacteria f.pipelines of the phloem g.evaporation from stems and leaves h.actively transport sucrose into sieve tubes i.eudicot plants that tend to establish symbiotic relationships with nitrogen-fixing bacteria j. transport of organic molecules from source region to sink k.a waxy band that forces water to diffuse through cells -companion cells

MATCHING Matching.Choose the most appropriate answer response for each question. a.responsible for opening and closing of stomata b.mouthpart of an aphid c.pipelines of the xylem d.a mutually beneficial association between a fungus and a young root e.structures on roots that house nitrogen-fixing bacteria f.pipelines of the phloem g.evaporation from stems and leaves h.actively transport sucrose into sieve tubes i.eudicot plants that tend to establish symbiotic relationships with nitrogen-fixing bacteria j. transport of organic molecules from source region to sink k.a waxy band that forces water to diffuse through cells -guard cells

Loams are soils with the best water and oxygen penetration because they have

Classification.Respond to the following statements with reference to the five plant micronutrients listed below. a.iron b.boron c.manganese d.zinc e.copper -Deficiency of this nutrient results in chlorosis, dead spots in leaves, and stunted growth

-Carbohydrates converted to ____ are ____ in plants.

Why do plant roots populate the A horizon most heavily?

-The movement of organic compounds in phloem is described as

-Most of the water moving through a plant is lost through

Classification.Respond to the following statements with reference to the five plant macronutrients listed below. a.nitrogen b.potassium c.calcium d.magnesium e.phosphorus -This nutrient is an important part of the backbone structure of DNA.

MATCHING Matching.Choose the most appropriate answer response for each question. a.responsible for opening and closing of stomata b.mouthpart of an aphid c.pipelines of the xylem d.a mutually beneficial association between a fungus and a young root e.structures on roots that house nitrogen-fixing bacteria f.pipelines of the phloem g.evaporation from stems and leaves h.actively transport sucrose into sieve tubes i.eudicot plants that tend to establish symbiotic relationships with nitrogen-fixing bacteria j. transport of organic molecules from source region to sink k.a waxy band that forces water to diffuse through cells -mycorrhiza