7228384
Descrição
Quiz por Leah Jones, atualizado more than 1 year ago
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Criado por Leah Jones
mais de 7 anos atrás
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Questão 1
Questão
Most of the nutrients essential for growth are supplied to plants directly from the ___
Responda
-
Cosmic Radiation
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Atmosphere
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Humus
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Rain Water
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Soil Solution
Questão 2
Questão
Which of the following is (are) essential plant nutrients?
Responda
-
Sr
-
Al
-
Cu
-
Pb
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All of the above
Questão 3
Questão
The lithosphere is made up of ___
Responda
-
Air
-
Rock
-
Plants and animals
-
Water
-
All of the above
Questão 4
Questão
The layers of contrasting material found when on digs a hole in the ground are called ___
Responda
-
Pedons
-
Pseudoliths
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Horizons
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Soil structure
-
Regoliths
Questão 5
Questão
A soil profile consists of (choose the best answer)
Responda
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The sum of chemical and physical data known about a soil
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The way a soil "feels"
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The set of layers in a vertical cross-section of the soil
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The general outline of a soil or groups of soil when viewed from the side
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The spatial boundaries of a particular soil
Questão 6
Questão
"Subsoil" is generally equivalent to which soil horizon?
Responda
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A
-
O
-
C
-
H
Questão 7
Questão
In a typical mineral soil in optimal condition for plant growth, approximately what percentage of the pore space would be filled with water and what percentage filled with air?
Responda
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10% water; 90% air
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90% water; 10% air
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50% water; 50% air
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25% water; 75% air
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25% water; 25% air
Questão 8
Questão
The amount of different sizes of mineral particles in a soil defines soil ___
Responda
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Pore space
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Profile
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Texture
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Solution
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Personality
Questão 9
Questão
The water in the soil typically differs from pure water because soil water ___
Responda
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Contains mineral nutrients
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Is restrained in its flow by attraction to particle surfaces
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Contains organic compounds
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All of the above
-
None of the above
Questão 10
Questão
Except for some kinds of food, modern industry has made human dependence on soils a thing of the past.
Responda
- True
- False
Questão 11
Questão
Most of the water in our rivers and lakes has come in contact with and been affected by soil.
Responda
- True
- False
Questão 12
Questão
Plants can be grown without any soil.
Responda
- True
- False
Questão 13
Questão
The mineral particles in soil consist of sand, silt, and clay.
Responda
- True
- False
Questão 14
Questão
Most, if not all, of the nutrient supply stored in a fertile soil is in forms readily available to plants.
Responda
- True
- False
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