Biological Science, Books a la Carte Plus Mastering Biology with Pearson eText -- Access Card Package (6th Edition)
6th Edition
ISBN: 9780134296029
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Greg Podgorski, Emily Taylor, Jeff Carmichael
Publisher: PEARSON
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Chapter 36, Problem 4TYK
Summary Introduction
Introduction:
Clay is a finely grained natural rock or soil that fuses with one or more clay minerals with traces of metal oxides and organic matter. Clay particles hold the water and become heavy. It gets waterlogged when wet and can hold on the nutrients. Clay minerals include hydrous aluminum phyllosilicates and also consist of iron, magnesium, alkali metals, and alkaline earth metals.
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Which statement is true regarding plants and soil nutrition?
a.
Potassium is a critical mineral for plants because it is a component of ATP
b.
Soil plays an important role in filtering pollutants
c.
only macronutrients are essential for plant growth
d.
stunting is yellowing of tissue due to mineral difficiency
e.
Organic matter is the least abundant component of soil
Select all that are true regarding soil
a.
the most abundant element of soil is inorganic mater
b.
plants passively acquire cations by using ATP to pump H+ into the soil
c.
soil plays key roles in water regulation and buffering of pollutants
d.
soil is an essential source of carbon for plants
e.
plants use H+ from photosynthesis to acquire cations
f.
anions are unbound in the soil and freely travel into plant roots with water
g.
cation exchange is required because cations are bound to negatively charged soil particles
h.
H+ works well for the cation exchange because it is a small molecule with a strong charge
2. Select all that apply to plant nutrition
a.
green manure can restore minerals to soil but is to expensive for farmers to use
b.
mineral deficiencies cause symptoms like chlorosis, a browning and death of plant tissue
c.
fertilizers typically contain nitrogen, potassium, and phosphorus,…
Cation Exchange capacity is:
Group of answer choices
a. The amount of cations that can be held by a given mass of soil.
b. Affected by soil texture
c. Affected by the amount of organic matter/Humus in a soil.
d. Affected by the amount of clay in a given soil
e) All of the above
Chapter 36 Solutions
Biological Science, Books a la Carte Plus Mastering Biology with Pearson eText -- Access Card Package (6th Edition)
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- It is common for bogs to have a pH of 3, why does this make them nutrient poor? 1. Low pH reduces the solubility of many nutrients. 2. Low pH increases nutrient binding to organic matter. 3. Low pH prevents the growth of the microorganisms responsible for the breakdown of organic matter. 4. Low pH reduces cation exchange.arrow_forwardSoil pH affects availability of nutrients for root absorption. The following statements are true except* a. Low pH results in an increase in Aluminum toxicity. b. Low pH results to unavailability of major nutrient elements. c. Toxic metals are more available in acidic soil. d. Low pH results in slow activity of soil-inhabiting microorganisms.arrow_forwardPlants growing under normal soil water conditions are called?arrow_forward
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