The organic matter present in soil is known collectively as (1) Hydrocarbons (2)Podsols (3) Humus (4)Colloids

The organic matter present in soil is known collectively as (1) Hydrocarbons (2)Podsols (3) Humus (4)Colloids
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Humus
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The organic matter present in soil is known collectively as – (1) Hydrocarbons (2) Podsols (3) Humus (4) Colloids

Description : The organic matter present in soil is known collectively as – (1) Hydrocarbons (2) Podsols (3) Humus (4) Colloids

Last Answer : (3) Humus Explanation: The organic matter present in soil is known collectively as humus. Humus is fully decomposed and finely divided organic matter. Dune is a hill or ridge of sand accumulated and sorted by wind action.

Alluvial soils are rich soil for crop cultivation but are poor in (1) humus (2) nitrogen and humus (3) organic material (4) inorganic material

Description : Alluvial soils are rich soil for crop cultivation but are poor in (1) humus (2) nitrogen and humus (3) organic material (4) inorganic material

Last Answer : nitrogen and humus

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 asha–grey soils of high–latitude coniferous forests a known as : (1) Tundra soils (2) Podsols (3) Grey–Brown soils (4) Red and Yellow soils

Description : The asha–grey soils of high–latitude coniferous forests a known as : (1) Tundra soils (2) Podsols (3) Grey–Brown soils (4) Red and Yellow soils

Last Answer : Podsols

The soils which are rich in Calcium are known as (1) Pedocals (2) Pedalfers (3) Podsols (4) Laterites

Description : The soils which are rich in Calcium are known as (1) Pedocals (2) Pedalfers (3) Podsols (4) Laterites

Last Answer : Pedocals

Mountain soil contains a lot of— (1) humus (2) clay (3) coase material (4) iron and aluminium salt

Description : Mountain soil contains a lot of— (1) humus (2) clay (3) coase material (4) iron and aluminium salt

Last Answer : humus

For the cultivation of Tobacco the soil should be rich in (1) calcareous matter (2) nitrogen (3) organic content (4) potash

Description : For the cultivation of Tobacco the soil should be rich in (1) calcareous matter (2) nitrogen (3) organic content (4) potash

Last Answer : potash

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

Description : 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

Last Answer : ANSWER: X -- DECAYING ORGANIC MATTER 

Alluvial soils are usually (i) Rich in nitrogen (ii) Poor in humus (iii) Highly fertile (iv) Easy to plough (1) (i), (ii) and (iv) (2) (ii), (iii) and (iv) (3) (i), (iii) and (iv) (4) (i), (ii) and (iii)

Description : Alluvial soils are usually (i) Rich in nitrogen (ii) Poor in humus (iii) Highly fertile (iv) Easy to plough (1) (i), (ii) and (iv) (2) (ii), (iii) and (iv) (3) (i), (iii) and (iv) (4) (i), (ii) and (iii)

Last Answer :  (i), (ii) and (iii)

The sphere of living matter together with water, air and soil on the surface of the earth is known as (1) Lithosphere (2) Biosphere (3) Hydrosphere (4) Atmosphere

Description : The sphere of living matter together with water, air and soil on the surface of the earth is known as (1) Lithosphere (2) Biosphere (3) Hydrosphere (4) Atmosphere

Last Answer : Biosphere

Bacterial aerobic oxidation of polluted water in biological oxidation ponds is done to purify it. Presence of bacteria helps in (A) Coagulation and flocculation of colloids (B) Oxidation of carbonaceous matter to CO2 (C) Nitrification or oxidation of ammonia derived from breakdown of nitrogenous organic matter to the nitrite and eventually to the nitrate (D) All (A), (B) and (C)

Description : Bacterial aerobic oxidation of polluted water in biological oxidation ponds is done to purify it. Presence of bacteria helps in (A) Coagulation and flocculation of colloids (B) Oxidation of carbonaceous matter to CO2 (C) ... to the nitrite and eventually to the nitrate (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

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.

Alluvial soils are rich soil for crop cultivation but are poor in– (1) humus (2) nitrogen and humus (3) organic material (4) inorganic material

Description : Alluvial soils are rich soil for crop cultivation but are poor in– (1) humus (2) nitrogen and humus (3) organic material (4) inorganic material

Last Answer : (2) nitrogen and humus Explanation: Alluvial soils are fertile soils composed of sediments deposited by rivers and the waves. However, they are usually deficient in nitrogen and ... With suitable irrigation, fertilizers and proper agricultural practices, alluvial soils are generally very fertile.

Which one of the following statement not true for organic manure ? a) It enhances water holding capacity of soil . b) It has a balance of all plant nutrients c) It provides humus to soil. d) It improves texture of soil.

Description : Which one of the following statement not true for organic manure ? a) It enhances water holding capacity of soil . b) It has a balance of all plant nutrients c) It provides humus to soil. d) It improves texture of soil.

Last Answer : b) It has a balance of all plant nutrients

Which one the following soils is used for the production of bricks ? (1) Peaty and organic (2) Saline (3) Laterite (4) Red and yellow

Description : Which one the following soils is used for the production of bricks ? (1) Peaty and organic (2) Saline (3) Laterite (4) Red and yellow

Last Answer : Red and yellow

Which of the following is an organic rock ? (1) Marble (2) Coal (3) Granite (4) Slate

Description : Which of the following is an organic rock ? (1) Marble (2) Coal (3) Granite (4) Slate

Last Answer : Coal

Black soil is also known by which of the following name ? (1) Khadar Soil (2) Bangar Soil (3) Alluivial Soil (4) Regur soil

Description : Black soil is also known by which of the following name ? (1) Khadar Soil (2) Bangar Soil (3) Alluivial Soil (4) Regur soil

Last Answer : Regur soil

Soil factors are otherwise known as : (1) Edaphic factors (2) Biotic factors (3) Physiographic factors (4) Climatic factors

Description : Soil factors are otherwise known as : (1) Edaphic factors (2) Biotic factors (3) Physiographic factors (4) Climatic factors

Last Answer : Edaphic factors

Pheretima posthuma is highly useful as (a) their burrows make the soil loose (b) they make the soil porous, leave their castings and take organic debris in the soil (c) they are used as fish meal (d) they kill the birds due to biomagnification of chlorinated hydrocarbons.

Description : Pheretima posthuma is highly useful as (a) their burrows make the soil loose (b) they make the soil porous, leave their castings and take organic debris in the soil (c) they are used as fish meal (d) they kill the birds due to biomagnification of chlorinated hydrocarbons.

Last Answer : (b) they make the soil porous, leave their castings and take organic debris in the soil

The soils which are rich in Calcium are known as – (1) Pedocals (2) Pedalfers (3) Podsols (4) Laterites

Description : The soils which are rich in Calcium are known as – (1) Pedocals (2) Pedalfers (3) Podsols (4) Laterites

Last Answer : (1) Pedocals Explanation: 'Terra Rossa' in Latin or Italian language is another name for "Red Soil" or "Red Terrain". It is a type of red clay soil produced by the weathering of limestone. Terra Rossa is typically found in regions with a Mediterranean climate.

The asha-grey soils of high-latitude coniferous forests a known as : (1) Tundra soils (2) Podsols (3) Grey-Brown soils (4) Red and Yellow soils

Description : The asha-grey soils of high-latitude coniferous forests a known as : (1) Tundra soils (2) Podsols (3) Grey-Brown soils (4) Red and Yellow soils

Last Answer : (2) Podsols Explanation: Podsols are ash-grey coloured soils that are found in high-latitude coniferous forest belt having very long cold winters, short cool summers and a moderate precipitation ... . infertile and of limited value for agriculture. These are useful for dairying and mixed farming.

Mass of living matter at a trophic level in an area at any time is called (a) standing crop (b) detritus (c) humus (d) standing state.

Description : Mass of living matter at a trophic level in an area at any time is called (a) standing crop (b) detritus (c) humus (d) standing state.

Last Answer : (a) standing crop

1. Which disease is caused by bacteria and spread though faecal matter by houseflies? 2. Who is the ex-officio Chairman of Rajya Sabha? 3. Which colloids are solvent loving colloids? 4. Among the Union Territories of India, which one has the largest size? 5. During which reign was the Purana Qila constructed?

Description : 1. Which disease is caused by bacteria and spread though faecal matter by houseflies? 2. Who is the ex-officio Chairman of Rajya Sabha? 3. Which colloids are solvent loving colloids? 4. ... to the formation of the Himalayas? 20. The Maratha power reached its zenith during which Peshwaship?

Last Answer : Answer : 1. Typhoid 2. Vice-President 3. Lyophilic 4. Pondicherry 5. Sher Shah 6. Merv Hughes 7. Disguised 8. Aquarium 9. Tamil Nadu 10. Guru Gobind Singh 11. Regulating Act 12. Metal 13 ... 16. Lausanne 17. Biology and diversity 18. Justice Ramaswami 19. Folding of the geosyncline 20. Balaji II

What are the organic matter present in the soil ?

Description : What are the organic matter present in the soil ?

Last Answer : Organic matter present in the soil is: Leech , earthworm refers to such animals or their feces.

Biosphere refers to (1) the area of the land inhabited by living organism (2) the part of ocean inhabited by plants and animals (3) the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms (4) the atmosphere surrounding the living organisms

Description : Biosphere refers to (1) the area of the land inhabited by living organism (2) the part of ocean inhabited by plants and animals (3) the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms (4) the atmosphere surrounding the living organisms

Last Answer : the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms

Which of the following is a Biological method of soil conservations ? (1) Contour farming (2) Contour terracing (3) Gully control (4) Basin listing

Description : Which of the following is a Biological method of soil conservations ? (1) Contour farming (2) Contour terracing (3) Gully control (4) Basin listing

Last Answer : Contour farming

Name the condition which influences the development of plants into distinctive forms. (1) Climatic conditions (2) Soil conditions (3) Environmental conditions (4) Social conditions

Description : Name the condition which influences the development of plants into distinctive forms. (1) Climatic conditions (2) Soil conditions (3) Environmental conditions (4) Social conditions 

Last Answer : Climatic conditions

The word Biosphere refers to : (1) Zone of soil, water and air around earth capable of supporting the flora and fauna. (2) Part of earth surface which can support the flora (3) Parts of air around earth a where life can exist (4) Zone of water on earth which can support life.

Description : The word Biosphere refers to : (1) Zone of soil, water and air around earth capable of supporting the flora and fauna. (2) Part of earth surface which can support the flora (3) Parts of air around earth a where life can exist (4) Zone of water on earth which can support life.

Last Answer : Zone of soil, water and air around earth capable of supporting the flora and fauna. 

A natural region has the similarity of (1) climate and natural vegetation (2) climate and occupation (3) soil and drainage (4) economic base and reces

Description : A natural region has the similarity of (1) climate and natural vegetation (2) climate and occupation (3) soil and drainage (4) economic base and reces

Last Answer : climate and natural vegetation

The distribution of characteristic vegetation of a region is determined mainly by (1) soil, water and temperature (2) water, greenhouse effect and altitude (3) wind, water and latitude (4) sunlight, water and wind

Description : The distribution of characteristic vegetation of a region is determined mainly by (1) soil, water and temperature (2) water, greenhouse effect and altitude (3) wind, water and latitude (4) sunlight, water and wind

Last Answer : soil, water and temperature

Which one of the following is the indirect use of forests ? (1) Medicinal plants (2) Checking soil erosion (3) Building material (4) Grazing

Description : Which one of the following is the indirect use of forests ? (1) Medicinal plants (2) Checking soil erosion (3) Building material (4) Grazing

Last Answer : Checking soil erosion

Salination of soil is caused by (1) pesticides (2) soil erosion (3) excess irrigation (4) crop rotation

Description : Salination of soil is caused by (1) pesticides (2) soil erosion (3) excess irrigation (4) crop rotation

Last Answer : excess irrigation

The transfer of minerals from top soil to subsoil through soil-water is called? (1) Percolation (2) Conduction (3) Leaching (4) Transpiration

Description : The transfer of minerals from top soil to subsoil through soil-water is called? (1) Percolation (2) Conduction (3) Leaching (4) Transpiration

Last Answer : Leaching

The remedies to soil erosion are : I. Contour bunding II. Regulation of land use III. Cutting of trees IV. Allowing grazing of animals (1) I, III (2) I, II (3) III, IV (4) II, III

Description : The remedies to soil erosion are : I. Contour bunding II. Regulation of land use III. Cutting of trees IV. Allowing grazing of animals (1) I, III (2) I, II (3) III, IV (4) II, III

Last Answer :  I, II

Soil erosion can be prevented by (1) Increasing bird population (2) Afforestation (3) Removal of vegetation (4) Overgrazing

Description : Soil erosion can be prevented by (1) Increasing bird population (2) Afforestation (3) Removal of vegetation (4) Overgrazing

Last Answer : Afforestation

In a desert region, soil erosion can be checked by (1) Contour ploughing (2) Using farm manure (3) Tree plantation/Afforestaion (4) Crop rotation

Description : In a desert region, soil erosion can be checked by (1) Contour ploughing (2) Using farm manure (3) Tree plantation/Afforestaion (4) Crop rotation

Last Answer : Tree plantation/Afforestaion

Which one of the following pairs is not correctly matched ? (1) Khadar – Zonal soil (2) Podzol – Zonal soil (3) Chestnut – Zonal soil (4) Bhangar – Azonal soil

Description : Which one of the following pairs is not correctly matched ? (1) Khadar – Zonal soil (2) Podzol – Zonal soil (3) Chestnut – Zonal soil (4) Bhangar – Azonal soil

Last Answer : Khadar – Zonal soil 

Identify the most infertile amongst the following soils. (1) Black cotton soil (2) Alluvial soil (3) Laterite soil (4) Peaty soil

Description : Identify the most infertile amongst the following soils. (1) Black cotton soil (2) Alluvial soil (3) Laterite soil (4) Peaty soil

Last Answer : Laterite soil

Soil which is prone to intensive leaching due to rain is called (1) Laterite (2) Black (3) Alluvial (4) Red

Description : Soil which is prone to intensive leaching due to rain is called (1) Laterite (2) Black (3) Alluvial (4) Red

Last Answer : Laterite

Soil formed by leaching and oxidation is (1) Black soil (2) Laterite soil (3) Red soil (4) Montane soil

Description : Soil formed by leaching and oxidation is (1) Black soil (2) Laterite soil (3) Red soil (4) Montane soil

Last Answer : Laterite soil

Plantation of trees on a large scale to check soil erosion are called: (1) Shelter belts (2) Contour ploughing (3) Strip cropping (4) Afforestation

Description : Plantation of trees on a large scale to check soil erosion are called: (1) Shelter belts (2) Contour ploughing (3) Strip cropping (4) Afforestation

Last Answer : Afforestation

In a desert region, soil erosion can be checked by (1) Tree plantation/afforestation (2) Crop rotation (3) Contour ploughing (4) Using farm manure

Description : In a desert region, soil erosion can be checked by (1) Tree plantation/afforestation (2) Crop rotation (3) Contour ploughing (4) Using farm manure

Last Answer : Tree plantation/afforestation

The significant quantity of upper soil is formed by (1) Igneous rock (2) Sedimentary rock (3) Metamorphic rock (4) Biological degradation

Description : The significant quantity of upper soil is formed by (1) Igneous rock (2) Sedimentary rock (3) Metamorphic rock (4) Biological degradation

Last Answer : Sedimentary rock

Black soil is mainly related with the crop of (1) cotton (2) sugarcane (3) tea (4) coffee

Description : Black soil is mainly related with the crop of (1) cotton (2) sugarcane (3) tea (4) coffee

Last Answer : cotton

Contour ploughing helps in (1) stopping floods (2) growing crops (3) soil conservation (4) checking landslides (SSC Combined Matric Level (PRE)

Description : Contour ploughing helps in (1) stopping floods (2) growing crops (3) soil conservation (4) checking landslides (SSC Combined Matric Level (PRE)

Last Answer : soil conservation

Which one of the following practices is adopted for restoring the fertility of soil ? (1) Weeding (2) Levelling (3) Fallowing (4) Harrowing

Description : Which one of the following practices is adopted for restoring the fertility of soil ? (1) Weeding (2) Levelling (3) Fallowing (4) Harrowing

Last Answer : Fallowing

Soil erosion on hill slopes can be checked by (1) Afforestation (2) Terrace cultivation (3) Strip cropping (4) Contour ploughing

Description : Soil erosion on hill slopes can be checked by (1) Afforestation (2) Terrace cultivation (3) Strip cropping (4) Contour ploughing

Last Answer : Terrace cultivation

Which one of the following does not cause soil erosion ? (1) Deflation (2) Deforestation (3) Weathering (4) Overcropping

Description : Which one of the following does not cause soil erosion ? (1) Deflation (2) Deforestation (3) Weathering (4) Overcropping

Last Answer : Deflation

Which one of the following methods of soil conservation is most effective in arid areas ? (1) Mulching (2) Shelter belt (3) Gully plugging (4) Terracing

Description : Which one of the following methods of soil conservation is most effective in arid areas ? (1) Mulching (2) Shelter belt (3) Gully plugging (4) Terracing

Last Answer : Shelter belt

Which of the following methods does not help in conserving soil fertility and moisture? (1) Contour ploughing (2) Dry farming (3) Strip cropping (4) Shifting agriculture

Description : Which of the following methods does not help in conserving soil fertility and moisture? (1) Contour ploughing (2) Dry farming (3) Strip cropping (4) Shifting agriculture

Last Answer : Shifting agriculture