暗記メーカー

暗記メーカー

​
ログイン
GE SOIL SCIENCE
100問 • 1年前
  • ZULHAMMEEN C. SENDAD
    • 通報

    問題一覧

  • 1

    A dynamic natural body on the earth's surface composed of both living and non-living materials where plants can grow

    Soil

  • 2

    The study of soil from the standpoint of higher plants or plants production

    Edaphology

  • 3

    The size of this soil particle is less than 1um.

    Soil colloids

  • 4

    Nitrification carried out by autotrophic bacteria is not affected by which of the following?

    Redox potential

  • 5

    In relation to crop production, clayey soils are known to be

    More fertile than sand

  • 6

    A soil consists of the three components, namely: solid, liquid and gas

    All of the above

  • 7

    This macronutrient is not a component of any organic molecule in the plant; its function is more catalytic in nature and usually deficient in coarse-textured soils.

    Phosphorous (P)

  • 8

    Component of amino acids such as methionine, cystein, and cystine and is usually deficient in waterlogged soils.

    Sulfur

  • 9

    The soil is called a _________ because it comes from the weathering of naturally occuring rocks and minerals.

    Natural body

  • 10

    Needed in chlorophyll synthesis and usually deficient in alkaline soils.

    Iron

  • 11

    Needed in the synthesis of auxin and usually deficient in waterlogged soils.

    Zinc

  • 12

    Rocks formed by cooling and solidification of molten magma and lava in the crust

    Igneous rocks

  • 13

    Individual soil layers or layers parallel to the ground surface.

    Horizon

  • 14

    What is the moisture regime of the soil Tropaquepts which are Inceptisols that are found in the tropics?

    Aquic

  • 15

    The non-crystalline organic colloidal fraction of the soil.

    Humus

  • 16

    Soil microorganism that degrade carbon - containing pesticide are considered

    Heterotrophs

  • 17

    The most abundant gas in the soil atmosphere is

    N2

  • 18

    The physicist who formulated the law governing the rate of settling particles in viscous medium

    Stroke

  • 19

    Under its natural occurrence a soil is aggregated and porous

    All of the above

  • 20

    Rocks that are formed when magma did not reach the earth's surface but solidifies in the cavities or cracks that the magma had made by pushing the surrounding rock apart or by melting or dissolving it.

    Intrusive rocks

  • 21

    Loose earth materials above solid rock

    Regolith

  • 22

    Haplauents are young soils with minimal development. In what order does the soil belong?

    Entisols

  • 23

    The Philippine adopts the _______ Soil Classification System

    United States Department of Agriculture (USDA)

  • 24

    A soil horizon is defined as __________.

    A soil layer that differs in recognized properties from other layers below

  • 25

    Soil texture that would be best for growing lowland rice

    Clay

  • 26

    A sedimentary rock which is a recemented clay

    Shale

  • 27

    A soil order characterized as shrinking and swelling dark clay soils

    Vertisols

  • 28

    It is an amorphous or less crystalline clay developed from volcanic ash

    Allophane

  • 29

    The biochemical oxidation of ammonium to nitrate, predominantly by autotrophic bacteria.

    Nitrification

  • 30

    An example of physical weathering process is

    Exfoliation

  • 31

    Generally, coarse-textured soils are characterized as soils with

    All of the above

  • 32

    These are naturally occuring inorganic substances with fairly definite chemical composition and specific physical properties

    Minerals

  • 33

    A soil order characterized as embryonic soil with few diagnostic features

    Inceptisol

  • 34

    In strongly acid soils, the availability of most micronutrient cations is

    Increased

  • 35

    Generally, fine-textured soils are characterized to have

    High ability to supply plant nutrients

  • 36

    The relative distribution of sand, silt, and clay is called soil _______.

    Texture

  • 37

    Minerals that are crystallized from the cooling of magma

    Primary minerals

  • 38

    Andepts are soils that were derived from volcanic activity and were originally classified as Inceptisols. What is the new order of these soils?

    Andisols

  • 39

    It belongs to the 1:1 non-expanding type of silicate clay mineral.

    Kaolinite

  • 40

    The percent water remaining in soil 2 to 3 days after it had been saturated and the free drainage had practically ceased

    Field capacity

  • 41

    The study of rock

    Petrology

  • 42

    Which of these soils has the most rapid percolation rate?

    Sandy soils

  • 43

    Soil texture refers to the coarseness or fineness of a soil

    Sand is gritty

  • 44

    The primary source of calcium in the soil

    Calcite

  • 45

    An example of a 2:1 expanding type of silicate miniral

    Montmorillonite

  • 46

    Most of the N in the solid fraction of the soil is in the form of

    Organic N

  • 47

    The molten mass where igneous rocks solidify from is:

    Magma

  • 48

    The decomposition of the complex substances of rocks and minerals resulting to changes in chemical composition, release of soluble materials.

    Chemical weathering

  • 49

    The general term for the process whereby ions adsorbed on the surface of soil colloids are exchanged for ions in the soil solution.

    Ion exchange

  • 50

    It refers to the amount of exchangeable cations per unit weight of dry soil.

    Cation exchange capacity

  • 51

    Nitrate is not removed from the soil system by which of the following?

    Nitrogen fertilization

  • 52

    Metamorphosis is caused by

    High pressure and temperature

  • 53

    It refers to the arrangement of primary soil particles into secondary units or aggregates

    Soil structure

  • 54

    This regime has mean annual soil temperature of 15°C or higher but lower than 22°C

    Thermic

  • 55

    The weathering that takes place below the soil solum

    Geochemical weathering

  • 56

    A subsoil with high clay accumulation is written in symbol as

    Bt

  • 57

    The source of permanent negative charge of clays.

    Isomorphous substitution

  • 58

    The source of positive charge of silicate clays.

    Protonation

  • 59

    Microaerophilic microorganisms require

    Minimal oxygen level

  • 60

    The weathered parent material corresponds to this horizon

    C

  • 61

    These are natural soil aggregates

    Peds

  • 62

    A mean annual temperature of 8°C or higher but lower the 15°C defines this soil temperature regime

    Mesic

  • 63

    This compounds reacts with carbonic acid forming a more soluble bicarbonate. It's reaction contributes to the weathering process.

    Carbonation

  • 64

    This horizon is plowed and rich in humus. It will be designated as _____ horizon.

    Ap

  • 65

    A 25 gram soil saturated with 5 me Ca²+ what's a cation exchange capacity equal to

    20 me Ca/100 g soil

  • 66

    The principal form of nitrogen utilized during rapid plant growth period is

    NO3

  • 67

    The true soil corresponds to horizon

    A,B

  • 68

    Characteristic soil structure of sandy soils

    Single-grained

  • 69

    In relation to crop production clayey soils are known to be

    All of the above

  • 70

    The mean annual soil temperature is 22°C or higher

    Hyperthermic

  • 71

    A Russian pedologist who published the first soil forming factor equation

    Jennykow

  • 72

    Compute the % base saturation of a soil with a CEC of 100 me/100 g and whose exchange sites are occupied by 20 me/100 g of basic cations.

    20%

  • 73

    The relationship of percent base saturation and soil pH

    %BS decreases as soil pH decreases

  • 74

    Particle density is a stable soil property and most agricultural soils would have particle densities close to this value

    2.66 g/cm³

  • 75

    The fitness of a given type of land for specified kind of land use.

    Land suitability

  • 76

    The most influential factor in soil formation

    Climate

  • 77

    _______ are chemical elements taken up by plants in large quantities.

    Macronutrients

  • 78

    Which of the following process is not mediated by soil microorganisms?

    P immobalization

  • 79

    Soil texture could be determined by

    All of the above

  • 80

    The minimum size of delineation is 0.2 hectare to 4 hectare. the order of soil survey is

    1st

  • 81

    In the soil profile, parent material of soil is usually located in

    Lowest part

  • 82

    The general form of nutrients taken up by plants is

    Ions

  • 83

    Iron oxide mineral that contribute red color to many soils.

    Hematite

  • 84

    The mineral supplying P is

    Apatite

  • 85

    Soil grown to corn is best cultivated when the soil consistency is

    Friable

  • 86

    Soil texture could be determined in the laboratory by

    Hydrometer method

  • 87

    The minimum size of delineation is 16 ha to 259 ha. The order of soil survey is

    3rd

  • 88

    Soil formation slows down because of constant mixing within the profile, nullifying the colloid movement downward by

    Burrowing animals

  • 89

    The lowest category of the US Soil Taxonomy is

    Series

  • 90

    The form of nitrogen taken up by plants from the soil

    NH4+

  • 91

    What do you expect when you increases OM of the soil

    Decrease the amount of N to apply

  • 92

    Calculate the gravimetric moisture content of the soil sample fresh weight (FW) is 25 g and it's oven dry weight (ODW) is 20 g.

    25%

  • 93

    The upper diameter size limit of clay particles is

    0.002 mm

  • 94

    Represent areas that should be permanently retained as forest environment

    Preservation areas

  • 95

    Movement of material out of a portion of a soil profile as in an albic horizon.

    Eluviation

  • 96

    This will retard soil profile development because it exposes new materials

    Steep slopes

  • 97

    Water deposited sediments are called

    Alluvial deposits

  • 98

    The major form of nitrogen in the soil is

    Organic

  • 99

    An element which is an important component of plant cell wall.

    Calcium

  • 100

    Non-symbiotic N2 fixing organisms in lowland soil

    Bacteria

    • Problem Solving

    Problem Solving

    ZULHAMMEEN C. SENDAD · 23問 · 3年前

    Problem Solving

    Problem Solving

    23問 • 3年前
    ZULHAMMEEN C. SENDAD

    CSE General Information

    CSE General Information

    ZULHAMMEEN C. SENDAD · 35問 · 3年前

    CSE General Information

    CSE General Information

    35問 • 3年前
    ZULHAMMEEN C. SENDAD

    Table

    Table

    ZULHAMMEEN C. SENDAD · 7問 · 3年前

    Table

    Table

    7問 • 3年前
    ZULHAMMEEN C. SENDAD

    Algebraic Expression / Translation

    Algebraic Expression / Translation

    ZULHAMMEEN C. SENDAD · 12問 · 3年前

    Algebraic Expression / Translation

    Algebraic Expression / Translation

    12問 • 3年前
    ZULHAMMEEN C. SENDAD

    PREVIOUS LEA EXAM

    PREVIOUS LEA EXAM

    ZULHAMMEEN C. SENDAD · 240問 · 4年前

    PREVIOUS LEA EXAM

    PREVIOUS LEA EXAM

    240問 • 4年前
    ZULHAMMEEN C. SENDAD

    Reading Comprehension

    Reading Comprehension

    ZULHAMMEEN C. SENDAD · 19問 · 3年前

    Reading Comprehension

    Reading Comprehension

    19問 • 3年前
    ZULHAMMEEN C. SENDAD

    Identifying Error

    Identifying Error

    ZULHAMMEEN C. SENDAD · 22問 · 3年前

    Identifying Error

    Identifying Error

    22問 • 3年前
    ZULHAMMEEN C. SENDAD

    Phil. Constitutions, Human Rights & R.A. 6713

    Phil. Constitutions, Human Rights & R.A. 6713

    ZULHAMMEEN C. SENDAD · 38問 · 3年前

    Phil. Constitutions, Human Rights & R.A. 6713

    Phil. Constitutions, Human Rights & R.A. 6713

    38問 • 3年前
    ZULHAMMEEN C. SENDAD

    Paragraph Organization

    Paragraph Organization

    ZULHAMMEEN C. SENDAD · 10問 · 3年前

    Paragraph Organization

    Paragraph Organization

    10問 • 3年前
    ZULHAMMEEN C. SENDAD

    Number Analogy

    Number Analogy

    ZULHAMMEEN C. SENDAD · 9問 · 3年前

    Number Analogy

    Number Analogy

    9問 • 3年前
    ZULHAMMEEN C. SENDAD

    Sentence Structure (Grammar & Correct Usage)

    Sentence Structure (Grammar & Correct Usage)

    ZULHAMMEEN C. SENDAD · 14問 · 3年前

    Sentence Structure (Grammar & Correct Usage)

    Sentence Structure (Grammar & Correct Usage)

    14問 • 3年前
    ZULHAMMEEN C. SENDAD

    Logical Analysis (Assumption)

    Logical Analysis (Assumption)

    ZULHAMMEEN C. SENDAD · 10問 · 3年前

    Logical Analysis (Assumption)

    Logical Analysis (Assumption)

    10問 • 3年前
    ZULHAMMEEN C. SENDAD

    Vocabulary

    Vocabulary

    ZULHAMMEEN C. SENDAD · 8問 · 3年前

    Vocabulary

    Vocabulary

    8問 • 3年前
    ZULHAMMEEN C. SENDAD

    Sentence Completion

    Sentence Completion

    ZULHAMMEEN C. SENDAD · 12問 · 3年前

    Sentence Completion

    Sentence Completion

    12問 • 3年前
    ZULHAMMEEN C. SENDAD

    Word Analogy

    Word Analogy

    ZULHAMMEEN C. SENDAD · 32問 · 3年前

    Word Analogy

    Word Analogy

    32問 • 3年前
    ZULHAMMEEN C. SENDAD

    PENOLOGY EXAMINATION

    PENOLOGY EXAMINATION

    ZULHAMMEEN C. SENDAD · 55問 · 3年前

    PENOLOGY EXAMINATION

    PENOLOGY EXAMINATION

    55問 • 3年前
    ZULHAMMEEN C. SENDAD

    CSE General Information

    CSE General Information

    ZULHAMMEEN C. SENDAD · 8問 · 3年前

    CSE General Information

    CSE General Information

    8問 • 3年前
    ZULHAMMEEN C. SENDAD

    問題一覧

  • 1

    A dynamic natural body on the earth's surface composed of both living and non-living materials where plants can grow

    Soil

  • 2

    The study of soil from the standpoint of higher plants or plants production

    Edaphology

  • 3

    The size of this soil particle is less than 1um.

    Soil colloids

  • 4

    Nitrification carried out by autotrophic bacteria is not affected by which of the following?

    Redox potential

  • 5

    In relation to crop production, clayey soils are known to be

    More fertile than sand

  • 6

    A soil consists of the three components, namely: solid, liquid and gas

    All of the above

  • 7

    This macronutrient is not a component of any organic molecule in the plant; its function is more catalytic in nature and usually deficient in coarse-textured soils.

    Phosphorous (P)

  • 8

    Component of amino acids such as methionine, cystein, and cystine and is usually deficient in waterlogged soils.

    Sulfur

  • 9

    The soil is called a _________ because it comes from the weathering of naturally occuring rocks and minerals.

    Natural body

  • 10

    Needed in chlorophyll synthesis and usually deficient in alkaline soils.

    Iron

  • 11

    Needed in the synthesis of auxin and usually deficient in waterlogged soils.

    Zinc

  • 12

    Rocks formed by cooling and solidification of molten magma and lava in the crust

    Igneous rocks

  • 13

    Individual soil layers or layers parallel to the ground surface.

    Horizon

  • 14

    What is the moisture regime of the soil Tropaquepts which are Inceptisols that are found in the tropics?

    Aquic

  • 15

    The non-crystalline organic colloidal fraction of the soil.

    Humus

  • 16

    Soil microorganism that degrade carbon - containing pesticide are considered

    Heterotrophs

  • 17

    The most abundant gas in the soil atmosphere is

    N2

  • 18

    The physicist who formulated the law governing the rate of settling particles in viscous medium

    Stroke

  • 19

    Under its natural occurrence a soil is aggregated and porous

    All of the above

  • 20

    Rocks that are formed when magma did not reach the earth's surface but solidifies in the cavities or cracks that the magma had made by pushing the surrounding rock apart or by melting or dissolving it.

    Intrusive rocks

  • 21

    Loose earth materials above solid rock

    Regolith

  • 22

    Haplauents are young soils with minimal development. In what order does the soil belong?

    Entisols

  • 23

    The Philippine adopts the _______ Soil Classification System

    United States Department of Agriculture (USDA)

  • 24

    A soil horizon is defined as __________.

    A soil layer that differs in recognized properties from other layers below

  • 25

    Soil texture that would be best for growing lowland rice

    Clay

  • 26

    A sedimentary rock which is a recemented clay

    Shale

  • 27

    A soil order characterized as shrinking and swelling dark clay soils

    Vertisols

  • 28

    It is an amorphous or less crystalline clay developed from volcanic ash

    Allophane

  • 29

    The biochemical oxidation of ammonium to nitrate, predominantly by autotrophic bacteria.

    Nitrification

  • 30

    An example of physical weathering process is

    Exfoliation

  • 31

    Generally, coarse-textured soils are characterized as soils with

    All of the above

  • 32

    These are naturally occuring inorganic substances with fairly definite chemical composition and specific physical properties

    Minerals

  • 33

    A soil order characterized as embryonic soil with few diagnostic features

    Inceptisol

  • 34

    In strongly acid soils, the availability of most micronutrient cations is

    Increased

  • 35

    Generally, fine-textured soils are characterized to have

    High ability to supply plant nutrients

  • 36

    The relative distribution of sand, silt, and clay is called soil _______.

    Texture

  • 37

    Minerals that are crystallized from the cooling of magma

    Primary minerals

  • 38

    Andepts are soils that were derived from volcanic activity and were originally classified as Inceptisols. What is the new order of these soils?

    Andisols

  • 39

    It belongs to the 1:1 non-expanding type of silicate clay mineral.

    Kaolinite

  • 40

    The percent water remaining in soil 2 to 3 days after it had been saturated and the free drainage had practically ceased

    Field capacity

  • 41

    The study of rock

    Petrology

  • 42

    Which of these soils has the most rapid percolation rate?

    Sandy soils

  • 43

    Soil texture refers to the coarseness or fineness of a soil

    Sand is gritty

  • 44

    The primary source of calcium in the soil

    Calcite

  • 45

    An example of a 2:1 expanding type of silicate miniral

    Montmorillonite

  • 46

    Most of the N in the solid fraction of the soil is in the form of

    Organic N

  • 47

    The molten mass where igneous rocks solidify from is:

    Magma

  • 48

    The decomposition of the complex substances of rocks and minerals resulting to changes in chemical composition, release of soluble materials.

    Chemical weathering

  • 49

    The general term for the process whereby ions adsorbed on the surface of soil colloids are exchanged for ions in the soil solution.

    Ion exchange

  • 50

    It refers to the amount of exchangeable cations per unit weight of dry soil.

    Cation exchange capacity

  • 51

    Nitrate is not removed from the soil system by which of the following?

    Nitrogen fertilization

  • 52

    Metamorphosis is caused by

    High pressure and temperature

  • 53

    It refers to the arrangement of primary soil particles into secondary units or aggregates

    Soil structure

  • 54

    This regime has mean annual soil temperature of 15°C or higher but lower than 22°C

    Thermic

  • 55

    The weathering that takes place below the soil solum

    Geochemical weathering

  • 56

    A subsoil with high clay accumulation is written in symbol as

    Bt

  • 57

    The source of permanent negative charge of clays.

    Isomorphous substitution

  • 58

    The source of positive charge of silicate clays.

    Protonation

  • 59

    Microaerophilic microorganisms require

    Minimal oxygen level

  • 60

    The weathered parent material corresponds to this horizon

    C

  • 61

    These are natural soil aggregates

    Peds

  • 62

    A mean annual temperature of 8°C or higher but lower the 15°C defines this soil temperature regime

    Mesic

  • 63

    This compounds reacts with carbonic acid forming a more soluble bicarbonate. It's reaction contributes to the weathering process.

    Carbonation

  • 64

    This horizon is plowed and rich in humus. It will be designated as _____ horizon.

    Ap

  • 65

    A 25 gram soil saturated with 5 me Ca²+ what's a cation exchange capacity equal to

    20 me Ca/100 g soil

  • 66

    The principal form of nitrogen utilized during rapid plant growth period is

    NO3

  • 67

    The true soil corresponds to horizon

    A,B

  • 68

    Characteristic soil structure of sandy soils

    Single-grained

  • 69

    In relation to crop production clayey soils are known to be

    All of the above

  • 70

    The mean annual soil temperature is 22°C or higher

    Hyperthermic

  • 71

    A Russian pedologist who published the first soil forming factor equation

    Jennykow

  • 72

    Compute the % base saturation of a soil with a CEC of 100 me/100 g and whose exchange sites are occupied by 20 me/100 g of basic cations.

    20%

  • 73

    The relationship of percent base saturation and soil pH

    %BS decreases as soil pH decreases

  • 74

    Particle density is a stable soil property and most agricultural soils would have particle densities close to this value

    2.66 g/cm³

  • 75

    The fitness of a given type of land for specified kind of land use.

    Land suitability

  • 76

    The most influential factor in soil formation

    Climate

  • 77

    _______ are chemical elements taken up by plants in large quantities.

    Macronutrients

  • 78

    Which of the following process is not mediated by soil microorganisms?

    P immobalization

  • 79

    Soil texture could be determined by

    All of the above

  • 80

    The minimum size of delineation is 0.2 hectare to 4 hectare. the order of soil survey is

    1st

  • 81

    In the soil profile, parent material of soil is usually located in

    Lowest part

  • 82

    The general form of nutrients taken up by plants is

    Ions

  • 83

    Iron oxide mineral that contribute red color to many soils.

    Hematite

  • 84

    The mineral supplying P is

    Apatite

  • 85

    Soil grown to corn is best cultivated when the soil consistency is

    Friable

  • 86

    Soil texture could be determined in the laboratory by

    Hydrometer method

  • 87

    The minimum size of delineation is 16 ha to 259 ha. The order of soil survey is

    3rd

  • 88

    Soil formation slows down because of constant mixing within the profile, nullifying the colloid movement downward by

    Burrowing animals

  • 89

    The lowest category of the US Soil Taxonomy is

    Series

  • 90

    The form of nitrogen taken up by plants from the soil

    NH4+

  • 91

    What do you expect when you increases OM of the soil

    Decrease the amount of N to apply

  • 92

    Calculate the gravimetric moisture content of the soil sample fresh weight (FW) is 25 g and it's oven dry weight (ODW) is 20 g.

    25%

  • 93

    The upper diameter size limit of clay particles is

    0.002 mm

  • 94

    Represent areas that should be permanently retained as forest environment

    Preservation areas

  • 95

    Movement of material out of a portion of a soil profile as in an albic horizon.

    Eluviation

  • 96

    This will retard soil profile development because it exposes new materials

    Steep slopes

  • 97

    Water deposited sediments are called

    Alluvial deposits

  • 98

    The major form of nitrogen in the soil is

    Organic

  • 99

    An element which is an important component of plant cell wall.

    Calcium

  • 100

    Non-symbiotic N2 fixing organisms in lowland soil

    Bacteria