High quality crop soil requires humus as a major component. Which of the following best describes the composition of humus w) fine sand particles x) decaying organic matter y) mineral like clay matter z) chemical fertilizers

High quality crop soil requires humus as a major component. Which of the following best describes the composition of humus w) fine sand particles x) decaying organic matter y) mineral like clay matter z) chemical fertilizers
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1 Answer

Answer :

ANSWER: X -- DECAYING ORGANIC MATTER 
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Humus is a type of – (1) fossil seen on the rocks (2) decaying organic matters in soil (3) fertilizers applied in soil (4) special growth found in plants

Description : Humus is a type of – (1) fossil seen on the rocks (2) decaying organic matters in soil (3) fertilizers applied in soil (4) special growth found in plants

Last Answer : (2) decaying organic matters in soil Explanation: Humus refers to the decomposed and partly decomposed organic matter or animal and vegetation originally present in the soil.

Humus is a type of (1) fossil seen on the rocks (2) decaying organic matters in soil (3) fertilizers applied in soil (4) special growth found in plants

Description : Humus is a type of (1) fossil seen on the rocks (2) decaying organic matters in soil (3) fertilizers applied in soil (4) special growth found in plants 

Last Answer : decaying organic matters in soil

The B-horizon of a pedalfer soil is noted for its accumulation of: w) carbonate x) nitrogen y) humus z) oxides

Description : The B-horizon of a pedalfer soil is noted for its accumulation of: w) carbonate x) nitrogen y) humus z) oxides

Last Answer : ANSWER: Z -- OXIDES

The surface of a "desert pavement" is composed mainly of which of the following? w) loose sand x) sand and clay y) pebbles and boulders z) concrete and cement

Description : The surface of a "desert pavement" is composed mainly of which of the following? w) loose sand x) sand and clay y) pebbles and boulders z) concrete and cement

Last Answer : ANSWER: Y -- PEBBLES AND BOULDERS

The principal mineral in most sand beaches is w) quartz x) orthoclase y) magnetite z) muscovite

Description : The principal mineral in most sand beaches is w) quartz x) orthoclase y) magnetite z) muscovite

Last Answer : ANSWER: W -- QUARTZ

The deposits of loess in the United States probabl originated as which of the following? w) talus x) rock flour y) humus z) geyserite

Description : The deposits of loess in the United States probabl originated as which of the following? w) talus x) rock flour y) humus z) geyserite

Last Answer : ANSWER: X -- ROCK FLOUR

Which one of the following is an example of chemical weathering? w) the splitting of a boulder x) the grinding of pebbles into sand y) the cleavage of a feldspar crystal z) the rusting of hornblende

Description : Which one of the following is an example of chemical weathering? w) the splitting of a boulder x) the grinding of pebbles into sand y) the cleavage of a feldspar crystal z) the rusting of hornblende

Last Answer : ANSWER: Z -- THE RUSTING OF HORNBLENDE

Give the term that describes different crystalline modifications of the same chemical substance. Is it: w) polymorphism x) isomorphism y) tetrahedral z) perovskite

Description : Give the term that describes different crystalline modifications of the same chemical substance. Is it: w) polymorphism x) isomorphism y) tetrahedral z) perovskite

Last Answer : ANSWER: W -- POLYMORPHISM

When clay hardens into rock, it forms: w) coal x) limestone y) shale z) quartzite

Description : When clay hardens into rock, it forms: w) coal x) limestone y) shale z) quartzite

Last Answer : ANSWER: Y -- SHALE

When shale weathers, it forms mostly: w) clay x) quartz y) soluble carbonates z) slate

Description : When shale weathers, it forms mostly: w) clay x) quartz y) soluble carbonates z) slate

Last Answer : ANSWER: W -- CLAY

The principal aquifer of the artesian wells of Florida is a: w) porous sandstone x) fissured limestone y) series of clay beds z) mass of pumice

Description : The principal aquifer of the artesian wells of Florida is a: w) porous sandstone x) fissured limestone y) series of clay beds z) mass of pumice

Last Answer : ANSWER: X -- FISSURED LIMESTONE

What is the name of the white clay which has been used for thousands of years in the fabrication of ceramic bodies? Is it: w) Talc x) Kaolin y) Feldspar z) Quartz

Description : What is the name of the white clay which has been used for thousands of years in the fabrication of ceramic bodies? Is it: w) Talc x) Kaolin y) Feldspar z) Quartz

Last Answer : ANSWER: X -- KAOLIN

What mineral is the most dense? w) hematite x) cinnabar y) marcasite z) rhodochrosite

Description : What mineral is the most dense? w) hematite x) cinnabar y) marcasite z) rhodochrosite

Last Answer : ANSWER: X -- CINNABAR

North American Indians used this mineral of volcanic origin to make tips for arrows: w) obsidian x) quartz y) flint z) pumice

Description : North American Indians used this mineral of volcanic origin to make tips for arrows: w) obsidian x) quartz y) flint z) pumice

Last Answer : ANSWER: W -- OBSIDIAN

Which of the following is the mineral name for ordinary salt? w) biotite x) calcite y) halite z) dolomite

Description : Which of the following is the mineral name for ordinary salt? w) biotite x) calcite y) halite z) dolomite

Last Answer : ANSWER: Y -- HALITE

The most common mineral found in igneous rock is: w) feldspar x) olivine y) muscovite z) fluorite

Description : The most common mineral found in igneous rock is: w) feldspar x) olivine y) muscovite z) fluorite

Last Answer : ANSWER: W -- FELDSPAR

The streak of a mineral can be obtained most easil by performing which of the following tests? w) rubbing the mineral on an unglazed white tile x) putting the mineral into acid y) scratching the mineral with a diamond z) examining the mineral under a microscope

Description : The streak of a mineral can be obtained most easil by performing which of the following tests? w) rubbing the mineral on an unglazed white tile x) putting the mineral into acid y) scratching the mineral with a diamond z) examining the mineral under a microscope

Last Answer : ANSWER: W -- RUBBING THE MINERAL ON AN UNGLAZED WHITE TILE

An agate is a form of what mineral? w) magnetite x) feldspar y) quartz z) copper

Description : An agate is a form of what mineral? w) magnetite x) feldspar y) quartz z) copper

Last Answer : ANSWER: Y -- QUARTZ

The mineral halite is: w) potassium chloride x) sodium chloride y) calcium chloride z) calcium bromide

Description : The mineral halite is: w) potassium chloride x) sodium chloride y) calcium chloride z) calcium bromide

Last Answer : ANSWER: X -- SODIUM CHLORIDE

Which of the following gases is given off in the acid test of a carbonate mineral? w) chlorine x) nitrogen y) carbon dioxide z) sulfur dioxide

Description : Which of the following gases is given off in the acid test of a carbonate mineral? w) chlorine x) nitrogen y) carbon dioxide z) sulfur dioxide

Last Answer : ANSWER: Y -- CARBON DIOXIDE

Which of the following terms is used to describe the appearance of a mineral in transmitted light? Is it: w) diaphaneity (pron: die-ah-fah-na-ah-tee) x) translucence y) opaqueness z) porosity

Description : Which of the following terms is used to describe the appearance of a mineral in transmitted light? Is it: w) diaphaneity (pron: die-ah-fah-na-ah-tee) x) translucence y) opaqueness z) porosity

Last Answer : ANSWER: W -- DIAPHANEITY 

Fine parallel lines, or striations, are most likel to be seen on a cleavage surface of which of the following minerals? w) quartz x) orthoclase y) hornblende z) plagioclase (pron: play-gee-o-klase)

Description : Fine parallel lines, or striations, are most likel to be seen on a cleavage surface of which of the following minerals? w) quartz x) orthoclase y) hornblende z) plagioclase (pron: play-gee-o-klase)

Last Answer : ANSWER: Z -- PLAGIOCLASE

A rock composed of cemented sand and gravel is: w) shale x) conglomerate y) granite z) marble

Description : A rock composed of cemented sand and gravel is: w) shale x) conglomerate y) granite z) marble

Last Answer : ANSWER: X -- CONGLOMERATE

Which of the following are barchans? w) deflation basins x) oases y) crescent-shaped dunes z) sand storms

Description : Which of the following are barchans? w) deflation basins x) oases y) crescent-shaped dunes z) sand storms

Last Answer : ANSWER: Y -- CRESCENT-SHAPED DUNES 

The saltation of sand grains refers to the sand grains: w) being coated with salt x) moving in jumps and bounces y) moving in a steady stream z) being cemented together

Description : The saltation of sand grains refers to the sand grains: w) being coated with salt x) moving in jumps and bounces y) moving in a steady stream z) being cemented together

Last Answer : ANSWER: X -- MOVING IN JUMPS AND BOUNCES

The black sand of the Hawaiian Islands is composed of which of the following? w) dark limestone x) quartz y) gypsum z) basalt

Description : The black sand of the Hawaiian Islands is composed of which of the following? w) dark limestone x) quartz y) gypsum z) basalt

Last Answer : ANSWER: Z -- BASALT

Winds are classed as agents of erosion rather than of weathering because: w) they have nothing to do with the weather x) they carry rock particles away y) they work only part of the time z) they build up rather than wear down the rock

Description : Winds are classed as agents of erosion rather than of weathering because: w) they have nothing to do with the weather x) they carry rock particles away y) they work only part of the time z) they build up rather than wear down the rock

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Deep black soil is productive due to high proportion of (a) sand and zinc (b) gravel and calcium (c) clay and humus (d) silt and earthworm.

Description : Deep black soil is productive due to high proportion of (a) sand and zinc (b) gravel and calcium (c) clay and humus (d) silt and earthworm.

Last Answer : (c) clay and humus

The largest single component, by weight, in the average American landfill is: w) toxic waste x) diapers y) newspapers z) pizza boxes

Description : The largest single component, by weight, in the average American landfill is: w) toxic waste x) diapers y) newspapers z) pizza boxes

Last Answer : ANSWER: Y -- NEWSPAPERS

Biosphere describes the earth realm where life occurs What describes the entire solid earth realm and is composed of mineral matter?

Description : Biosphere describes the earth realm where life occurs What describes the entire solid earth realm and is composed of mineral matter?

Last Answer : ANSWER: LITHOSPHERE

Which of the following time periods describes the age of the coal deposits of the Eastern United States? w) Jurassic and Cambrian x) Mississippian and Pennsylvanian y) Pliocene and Miocene z) none of these

Description : Which of the following time periods describes the age of the coal deposits of the Eastern United States? w) Jurassic and Cambrian x) Mississippian and Pennsylvanian y) Pliocene and Miocene z) none of these

Last Answer : ANSWER: X -- MISSISSIPPIAN AND PENNSYLVANIAN

The transport of energy or matter across the parallels of latitude in a north-south direction or the reverse is called: w) global transport x) air transport y) meridional transport z) polar transport

Description : The transport of energy or matter across the parallels of latitude in a north-south direction or the reverse is called: w) global transport x) air transport y) meridional transport z) polar transport

Last Answer : ANSWER: Y -- MERIDIONAL TRANSPORT

The soil which contains finest grain particles, is (A) Coarse sand (B) Fine sand (C) Silt (D) Clay

Description : The soil which contains finest grain particles, is (A) Coarse sand (B) Fine sand (C) Silt (D) Clay

Last Answer : (D) Clay

A city that suffered a major earthquake, but is not on a plate boundary, is w) Los Angeles, California x) San Francisco, California y) Tokyo, Japan z) Charleston, South Carolina

Description : A city that suffered a major earthquake, but is not on a plate boundary, is w) Los Angeles, California x) San Francisco, California y) Tokyo, Japan z) Charleston, South Carolina

Last Answer : ANSWER: Z -- CHARLESTON, SOUTH CAROLINA

An area that is not in a major earthquake belt is the region of the w) Andes mountains x) Coast Ranges of Central America y) Appalachian Mountains z) the islands of Japan

Description : An area that is not in a major earthquake belt is the region of the w) Andes mountains x) Coast Ranges of Central America y) Appalachian Mountains z) the islands of Japan

Last Answer : ANSWER: Y -- APPALACHIAN MOUNTAINS 

Continents have three major features. The oldest areas of each continent are the: w) folded mountains x) stable platforms y) mountain cores z) shields

Description : Continents have three major features. The oldest areas of each continent are the: w) folded mountains x) stable platforms y) mountain cores z) shields

Last Answer : ANSWER: Z -- SHIELDS

Rocks formed in layers are said to be: w) crystalline x) stratified y) chemical z) metamorphosed

Description : Rocks formed in layers are said to be: w) crystalline x) stratified y) chemical z) metamorphosed

Last Answer : ANSWER: X -- STRATIFIED

What is the chemical formula for quartz? w) CaCO-3 x) SiO-2 y) Fe-2O-3 z) none of these

Description : What is the chemical formula for quartz? w) CaCO-3 x) SiO-2 y) Fe-2O-3 z) none of these

Last Answer : ANSWER: X -- SiO-2

Waste gases from industrial plants form acids that hasten chemical weathering. Most of the gases are compounds of: w) argon x) hydrogen y) iron z) sulfur

Description : Waste gases from industrial plants form acids that hasten chemical weathering. Most of the gases are compounds of: w) argon x) hydrogen y) iron z) sulfur

Last Answer : ANSWER: Z -- SULFUR 

Of the following minerals, the one most resistant to both chemical and mechanical weathering is: w) calcite x) muscovite y) hornblende z) quartz

Description : Of the following minerals, the one most resistant to both chemical and mechanical weathering is: w) calcite x) muscovite y) hornblende z) quartz 

Last Answer : ANSWER: Z -- QUARTZ

Carbonic acid is extremely active in the chemical weathering of: w) feldspar x) quartz y) carbon z) quartzite

Description : Carbonic acid is extremely active in the chemical weathering of: w) feldspar x) quartz y) carbon z) quartzite

Last Answer : ANSWER: W -- FELDSPAR

Which of the following is the chemical formula for calcite? w) CaCO3 x) CaMgSO4 y) FeCO3 z) FeS2

Description : Which of the following is the chemical formula for calcite? w) CaCO3 x) CaMgSO4 y) FeCO3 z) FeS2

Last Answer : ANSWER: W -- CaCO3

The chemical union of iron, oxygen and water forms w) magnetite x) hematite y) limonite z) pyrite

Description : The chemical union of iron, oxygen and water forms w) magnetite x) hematite y) limonite z) pyrite

Last Answer : ANSWER: Y -- LIMONITE

Of the following, the rock that is most resistant to both chemical and mechanical weathering is: w) shale x) limestone y) marble z) quartzite

Description : Of the following, the rock that is most resistant to both chemical and mechanical weathering is: w) shale x) limestone y) marble z) quartzite

Last Answer : ANSWER: Z -- QUARTZITE

What form of runoff is water that flows down a slope within the upper layers of the soil rather than on top of them? w) interflow x) extraflow y) endoflow z) detrital runoff

Description : What form of runoff is water that flows down a slope within the upper layers of the soil rather than on top of them? w) interflow x) extraflow y) endoflow z) detrital runoff

Last Answer : ANSWER: W -- INTERFLOW

Field capacity represents the maximum quantity of water held: w) in the soil against the force of gravity x) in the ground water zone y) in the intermediate zone z) below the water table

Description : Field capacity represents the maximum quantity of water held: w) in the soil against the force of gravity x) in the ground water zone y) in the intermediate zone z) below the water table

Last Answer : ANSWER: W -- IN THE SOIL AGAINST THE FORCE OF GRAVITY

Name the clay mineral produced by the alteration of potash feldspar which is also used in ceramics.

Description : Name the clay mineral produced by the alteration of potash feldspar which is also used in ceramics.

Last Answer : ANSWER: KAOLINITE 

Name the extremely fine-grained, wind-blown clay particularly characteristic of the arid and semi-arid southwestern United States, Mexico and South America. This material was used by the southwestern Indians and Mexicans for constructing huts and buildings from prehistoric times.

Description : Name the extremely fine-grained, wind-blown clay particularly characteristic of the arid and semi-arid southwestern United States, Mexico and South America. This material was used by the southwestern Indians and Mexicans for constructing huts and buildings from prehistoric times.

Last Answer : ANSWER: ADOBE

The air around a high pressure area circulates: w) clockwise in the Northern Hemisphere x) counterclockwise in the Northern Hemisphere y) clockwise in the Southern Hemisphere z) in either direction regardless of hemisphere

Description : The air around a high pressure area circulates: w) clockwise in the Northern Hemisphere x) counterclockwise in the Northern Hemisphere y) clockwise in the Southern Hemisphere z) in either direction regardless of hemisphere

Last Answer : ANSWER: W -- CLOCKWISE IN THE NORTHERN HEMISPHERE