Humus is present in horizon A. Horizon A or topsoil is know as a humus layer and it is mainly rich in organic materials. Moreover, the topsoil is soft and porous to hold enough water and air. - Horizon B is the present just below the topsoil and above the bedrock. It contains less humus Corazon is made up of broken bedrock. - Horizon O is organic layer. It is loose and made up of partly decayed organic matter. - Horizon C is unconsolidated parent material (regolith) beyond the reach of plant roots and most forming process except weathering. It is lacking in organic matter.
Rajasthan PMT-2009 / Punjab MET-2009 CMC Vellore-2009 / UP CPMT-2009
Organisms and Populations
231074
In which of the following pairs is the specific characteristic of a soil not correctly matched
1 Terra rossa - Most suitable for roses
2 Chernozems - Richest soil in the world
3 Black soil - Rich in calcium carbonate
4 Laterite - Contains aluminium compound
Explanation:
Terra rossa (red soil) is a well drained, reddish, clayey to slity clayey soil with neutral $\mathrm{pH}$ conditions and is typical of the Mediterranean region. The reddish color of terra Rossa is the result of the preferential formation of hematite over goethite. - Black soil is rich in calcium carbonate $\left(\mathrm{CaCO}_3\right)$ and iron. This soil also contain line potash (K), Aluminium $(\mathrm{Al})$ etc. - Chernozems is the black colored soil which is rich in humus. This is the richest soil in the world and used for the cultivation of the cereals. - Laterite soil contains the bauxite which is the ore of the $\mathrm{Al}$ (aluminium)
AIPMT-2004
Organisms and Populations
231075
Biotic factors are :
1 chemical factors of soil which effect life
2 physical factors of soil which affect life
3 all living organisms which influence other organisms
4 factors of atmosphere which affect life
Explanation:
Living organisms have effect on other living organisms and these constitute biotic factors or living factors. A biotic factor is a living organism that shapes its environment in a freshwater ecosystem. Examples might include aquatic plants. Fish amphibians and algae.
JIPMER-2006
Organisms and Populations
231076
Soil carried by gravity is
1 alluvial
2 eolian
3 colluvial
4 glacial
Explanation:
The loose and unconsolidated sediments which get deposited by the rain wash, sheet erosion and water erosion is defined as the colluvial soil. Under the gravitational force, the parent material moves down the slope. Colluvium consists of very sharp, angular rock fragments accumulated at the base of steep slopes. The deposited water by the surface water is known as alluvial soils. The type of soil which flows from one place to another Glaciation is the formation and the moment of the glaciers that resulted in formation of large continental ice sheets.
Humus is present in horizon A. Horizon A or topsoil is know as a humus layer and it is mainly rich in organic materials. Moreover, the topsoil is soft and porous to hold enough water and air. - Horizon B is the present just below the topsoil and above the bedrock. It contains less humus Corazon is made up of broken bedrock. - Horizon O is organic layer. It is loose and made up of partly decayed organic matter. - Horizon C is unconsolidated parent material (regolith) beyond the reach of plant roots and most forming process except weathering. It is lacking in organic matter.
Rajasthan PMT-2009 / Punjab MET-2009 CMC Vellore-2009 / UP CPMT-2009
Organisms and Populations
231074
In which of the following pairs is the specific characteristic of a soil not correctly matched
1 Terra rossa - Most suitable for roses
2 Chernozems - Richest soil in the world
3 Black soil - Rich in calcium carbonate
4 Laterite - Contains aluminium compound
Explanation:
Terra rossa (red soil) is a well drained, reddish, clayey to slity clayey soil with neutral $\mathrm{pH}$ conditions and is typical of the Mediterranean region. The reddish color of terra Rossa is the result of the preferential formation of hematite over goethite. - Black soil is rich in calcium carbonate $\left(\mathrm{CaCO}_3\right)$ and iron. This soil also contain line potash (K), Aluminium $(\mathrm{Al})$ etc. - Chernozems is the black colored soil which is rich in humus. This is the richest soil in the world and used for the cultivation of the cereals. - Laterite soil contains the bauxite which is the ore of the $\mathrm{Al}$ (aluminium)
AIPMT-2004
Organisms and Populations
231075
Biotic factors are :
1 chemical factors of soil which effect life
2 physical factors of soil which affect life
3 all living organisms which influence other organisms
4 factors of atmosphere which affect life
Explanation:
Living organisms have effect on other living organisms and these constitute biotic factors or living factors. A biotic factor is a living organism that shapes its environment in a freshwater ecosystem. Examples might include aquatic plants. Fish amphibians and algae.
JIPMER-2006
Organisms and Populations
231076
Soil carried by gravity is
1 alluvial
2 eolian
3 colluvial
4 glacial
Explanation:
The loose and unconsolidated sediments which get deposited by the rain wash, sheet erosion and water erosion is defined as the colluvial soil. Under the gravitational force, the parent material moves down the slope. Colluvium consists of very sharp, angular rock fragments accumulated at the base of steep slopes. The deposited water by the surface water is known as alluvial soils. The type of soil which flows from one place to another Glaciation is the formation and the moment of the glaciers that resulted in formation of large continental ice sheets.
Humus is present in horizon A. Horizon A or topsoil is know as a humus layer and it is mainly rich in organic materials. Moreover, the topsoil is soft and porous to hold enough water and air. - Horizon B is the present just below the topsoil and above the bedrock. It contains less humus Corazon is made up of broken bedrock. - Horizon O is organic layer. It is loose and made up of partly decayed organic matter. - Horizon C is unconsolidated parent material (regolith) beyond the reach of plant roots and most forming process except weathering. It is lacking in organic matter.
Rajasthan PMT-2009 / Punjab MET-2009 CMC Vellore-2009 / UP CPMT-2009
Organisms and Populations
231074
In which of the following pairs is the specific characteristic of a soil not correctly matched
1 Terra rossa - Most suitable for roses
2 Chernozems - Richest soil in the world
3 Black soil - Rich in calcium carbonate
4 Laterite - Contains aluminium compound
Explanation:
Terra rossa (red soil) is a well drained, reddish, clayey to slity clayey soil with neutral $\mathrm{pH}$ conditions and is typical of the Mediterranean region. The reddish color of terra Rossa is the result of the preferential formation of hematite over goethite. - Black soil is rich in calcium carbonate $\left(\mathrm{CaCO}_3\right)$ and iron. This soil also contain line potash (K), Aluminium $(\mathrm{Al})$ etc. - Chernozems is the black colored soil which is rich in humus. This is the richest soil in the world and used for the cultivation of the cereals. - Laterite soil contains the bauxite which is the ore of the $\mathrm{Al}$ (aluminium)
AIPMT-2004
Organisms and Populations
231075
Biotic factors are :
1 chemical factors of soil which effect life
2 physical factors of soil which affect life
3 all living organisms which influence other organisms
4 factors of atmosphere which affect life
Explanation:
Living organisms have effect on other living organisms and these constitute biotic factors or living factors. A biotic factor is a living organism that shapes its environment in a freshwater ecosystem. Examples might include aquatic plants. Fish amphibians and algae.
JIPMER-2006
Organisms and Populations
231076
Soil carried by gravity is
1 alluvial
2 eolian
3 colluvial
4 glacial
Explanation:
The loose and unconsolidated sediments which get deposited by the rain wash, sheet erosion and water erosion is defined as the colluvial soil. Under the gravitational force, the parent material moves down the slope. Colluvium consists of very sharp, angular rock fragments accumulated at the base of steep slopes. The deposited water by the surface water is known as alluvial soils. The type of soil which flows from one place to another Glaciation is the formation and the moment of the glaciers that resulted in formation of large continental ice sheets.
Humus is present in horizon A. Horizon A or topsoil is know as a humus layer and it is mainly rich in organic materials. Moreover, the topsoil is soft and porous to hold enough water and air. - Horizon B is the present just below the topsoil and above the bedrock. It contains less humus Corazon is made up of broken bedrock. - Horizon O is organic layer. It is loose and made up of partly decayed organic matter. - Horizon C is unconsolidated parent material (regolith) beyond the reach of plant roots and most forming process except weathering. It is lacking in organic matter.
Rajasthan PMT-2009 / Punjab MET-2009 CMC Vellore-2009 / UP CPMT-2009
Organisms and Populations
231074
In which of the following pairs is the specific characteristic of a soil not correctly matched
1 Terra rossa - Most suitable for roses
2 Chernozems - Richest soil in the world
3 Black soil - Rich in calcium carbonate
4 Laterite - Contains aluminium compound
Explanation:
Terra rossa (red soil) is a well drained, reddish, clayey to slity clayey soil with neutral $\mathrm{pH}$ conditions and is typical of the Mediterranean region. The reddish color of terra Rossa is the result of the preferential formation of hematite over goethite. - Black soil is rich in calcium carbonate $\left(\mathrm{CaCO}_3\right)$ and iron. This soil also contain line potash (K), Aluminium $(\mathrm{Al})$ etc. - Chernozems is the black colored soil which is rich in humus. This is the richest soil in the world and used for the cultivation of the cereals. - Laterite soil contains the bauxite which is the ore of the $\mathrm{Al}$ (aluminium)
AIPMT-2004
Organisms and Populations
231075
Biotic factors are :
1 chemical factors of soil which effect life
2 physical factors of soil which affect life
3 all living organisms which influence other organisms
4 factors of atmosphere which affect life
Explanation:
Living organisms have effect on other living organisms and these constitute biotic factors or living factors. A biotic factor is a living organism that shapes its environment in a freshwater ecosystem. Examples might include aquatic plants. Fish amphibians and algae.
JIPMER-2006
Organisms and Populations
231076
Soil carried by gravity is
1 alluvial
2 eolian
3 colluvial
4 glacial
Explanation:
The loose and unconsolidated sediments which get deposited by the rain wash, sheet erosion and water erosion is defined as the colluvial soil. Under the gravitational force, the parent material moves down the slope. Colluvium consists of very sharp, angular rock fragments accumulated at the base of steep slopes. The deposited water by the surface water is known as alluvial soils. The type of soil which flows from one place to another Glaciation is the formation and the moment of the glaciers that resulted in formation of large continental ice sheets.
Humus is present in horizon A. Horizon A or topsoil is know as a humus layer and it is mainly rich in organic materials. Moreover, the topsoil is soft and porous to hold enough water and air. - Horizon B is the present just below the topsoil and above the bedrock. It contains less humus Corazon is made up of broken bedrock. - Horizon O is organic layer. It is loose and made up of partly decayed organic matter. - Horizon C is unconsolidated parent material (regolith) beyond the reach of plant roots and most forming process except weathering. It is lacking in organic matter.
Rajasthan PMT-2009 / Punjab MET-2009 CMC Vellore-2009 / UP CPMT-2009
Organisms and Populations
231074
In which of the following pairs is the specific characteristic of a soil not correctly matched
1 Terra rossa - Most suitable for roses
2 Chernozems - Richest soil in the world
3 Black soil - Rich in calcium carbonate
4 Laterite - Contains aluminium compound
Explanation:
Terra rossa (red soil) is a well drained, reddish, clayey to slity clayey soil with neutral $\mathrm{pH}$ conditions and is typical of the Mediterranean region. The reddish color of terra Rossa is the result of the preferential formation of hematite over goethite. - Black soil is rich in calcium carbonate $\left(\mathrm{CaCO}_3\right)$ and iron. This soil also contain line potash (K), Aluminium $(\mathrm{Al})$ etc. - Chernozems is the black colored soil which is rich in humus. This is the richest soil in the world and used for the cultivation of the cereals. - Laterite soil contains the bauxite which is the ore of the $\mathrm{Al}$ (aluminium)
AIPMT-2004
Organisms and Populations
231075
Biotic factors are :
1 chemical factors of soil which effect life
2 physical factors of soil which affect life
3 all living organisms which influence other organisms
4 factors of atmosphere which affect life
Explanation:
Living organisms have effect on other living organisms and these constitute biotic factors or living factors. A biotic factor is a living organism that shapes its environment in a freshwater ecosystem. Examples might include aquatic plants. Fish amphibians and algae.
JIPMER-2006
Organisms and Populations
231076
Soil carried by gravity is
1 alluvial
2 eolian
3 colluvial
4 glacial
Explanation:
The loose and unconsolidated sediments which get deposited by the rain wash, sheet erosion and water erosion is defined as the colluvial soil. Under the gravitational force, the parent material moves down the slope. Colluvium consists of very sharp, angular rock fragments accumulated at the base of steep slopes. The deposited water by the surface water is known as alluvial soils. The type of soil which flows from one place to another Glaciation is the formation and the moment of the glaciers that resulted in formation of large continental ice sheets.