What are the organic matter present in the soil ?

What are the organic matter present in the soil ?
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Organic matter present in the soil is: Leech , earthworm refers to such animals or their feces.
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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.

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 : Humus

Which fertilizer should be used if soil organic matter is low ?

Description : Which fertilizer should be used if soil organic matter is low ?

Last Answer : If the soil organic matter is low then compost manure should be used.

The soil having more than 30% organic matter is placed in

Description : The soil having more than 30% organic matter is placed in

Last Answer : Ans. Histosol

Organic matter content in Indian soil is

Description : Organic matter content in Indian soil is

Last Answer : Ans. 5 %

Which of the following rotations is likely to leave soil richer in organic matter?

Description : Which of the following rotations is likely to leave soil richer in organic matter?

Last Answer : Ans.Maize – Oats - Clovers

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 : (4) potash Explanation: Tobacco is a crop that needs significant amounts of potassium. It is a fast growing plant between 80 and 150 days, with a high daily potassium requirement. Potash is the ... such as plant remains, and this was the major historical source for it before the industrial era.

he soil which is found in the areas having heavy rainfall and high humidity, contains large quantity of organic matter and heavy and black in colour – a. Black soil b. Peat soil c. Forest soil d. Laterite soil

Description : he soil which is found in the areas having heavy rainfall and high humidity, contains large quantity of organic matter and heavy and black in colour – a. Black soil b. Peat soil c. Forest soil d. Laterite soil

Last Answer : b. Peat soil

Pheretima and its close relatives derive nourishment from (a) sugarcane roots (b) decaying fallen leaves and soil organic matter (c) soil insects (d) small pieces of fresh fallen leaves of maize, etc.

Description : Pheretima and its close relatives derive nourishment from (a) sugarcane roots (b) decaying fallen leaves and soil organic matter (c) soil insects (d) small pieces of fresh fallen leaves of maize, etc.

Last Answer : (b) decaying fallen leaves and soil organic matter

Which of the following is not a factor affecting Soil Water Availability? a) A Soil Texture b) B Nature of crop grown c) C Organic Matter d) D Salt content E Soil depth

Description : Which of the following is not a factor affecting Soil Water Availability? a) A Soil Texture b) B Nature of crop grown c) C Organic Matter d) D Salt content E Soil depth

Last Answer : b) B Nature of crop grown

The soil contains —- % organic matter a. 25b. 58c. 5d. 65

Description : The soil contains —- % organic matter a. 25 b. 58 c. 5 d. 65

Last Answer : c. 5

In context to agriculture what is “Fallow Land”? a. Fallowing is the process to make the soil rich in phosphorus b. Agricultural land which is added with organic matter to reduce its acidity. c. Agricultural field which is water logged before rice cultivation so that soil’s water retention capacity increases d. Agriculture field which is left unplanted so that the soil’s natural nutrient balance can be restored

Description : In context to agriculture what is Fallow Land ? a. Fallowing is the process to make the soil rich in phosphorus b. Agricultural land which is added with organic matter to reduce its ... . Agriculture field which is left unplanted so that the soil's natural nutrient balance can be restored

Last Answer : d. Agriculture field which is left unplanted so that the soil’s natural nutrient balance can be restored.

In context to agriculture what is “Fallow Land”? a. Fallowing is the process to make the soil rich in phosphorus b. Agricultural land which is added with organic matter to reduce its acidity. c. Agricultural field which is water logged before rice cultivation so that soil’s water retention capacity increases d. Agriculture field which is left unplanted so that the soil’s natural nutrient balance can be restored.

Description : In context to agriculture what is Fallow Land ? a. Fallowing is the process to make the soil rich in phosphorus b. Agricultural land which is added with organic matter to reduce its ... Agriculture field which is left unplanted so that the soil's natural nutrient balance can be restored.

Last Answer : d. Agriculture field which is left unplanted so that the soil’s natural nutrient balance can be restored

In context to agriculture what is “Fallow Land”? a. Fallowing is the process to make the soil rich in phosphorus b. Agricultural land which is added with organic matter to reduce its acidity. c. Agricultural field which is water logged before rice cultivation so that soil’s water retention capacity increases d. Agriculture field which is left unplanted so that the soil’s natural nutrient balance can be restored.

Description : In context to agriculture what is Fallow Land ? a. Fallowing is the process to make the soil rich in phosphorus b. Agricultural land which is added with organic matter to reduce its ... Agriculture field which is left unplanted so that the soil's natural nutrient balance can be restored.

Last Answer : d. Agriculture field which is left unplanted so that the soil’s natural nutrient balance can be restored.

In context to agriculture what is “Fallow Land”? a. Fallowing is the process to make the soil rich in phosphorus b. Agricultural land which is added with organic matter to reduce its acidity. c. Agricultural field which is water logged before rice cultivation so that soil’s water retention capacity increases d. Agriculture field which is left unplanted so that the soil’s natural nutrient balance can be restored.

Description : In context to agriculture what is Fallow Land ? a. Fallowing is the process to make the soil rich in phosphorus b. Agricultural land which is added with organic matter to reduce its ... Agriculture field which is left unplanted so that the soil's natural nutrient balance can be restored.

Last Answer : d. Agriculture field which is left unplanted so that the soil’s natural nutrient balance can be restored.

Which one of the following statements is true? (A) Clays are more porous than sands (B) Pressure of organic matter in a soil decreases the bearing capacity of the soil (C) Aluminous cement is used for foundations in soils with chemical deposits (D) All the above

Description : Which one of the following statements is true? (A) Clays are more porous than sands (B) Pressure of organic matter in a soil decreases the bearing capacity of the soil (C) Aluminous cement is used for foundations in soils with chemical deposits (D) All the above

Last Answer : (D) All the above

Consider the following statements: 1. Organic matter decreases the permeability of a soil. 2. Entrapped air decreases the permeability of a soil. Which of these statements are correct? (a) 1 only (b) 2 only (c) Both 1 &2 (d) Neither 1 nor 2

Description : Consider the following statements: 1. Organic matter decreases the permeability of a soil. 2. Entrapped air decreases the permeability of a soil. Which of these statements are correct? (a) 1 only (b) 2 only (c) Both 1 &2 (d) Neither 1 nor 2

Last Answer : (c) Both 1 &2

The animals feed upon organic matter mixed with the soil are (a) Herbivores (b) Saprozoic (c) Mixotrophic (d) Detritus

Description : The animals feed upon organic matter mixed with the soil are (a) Herbivores (b) Saprozoic (c) Mixotrophic (d) Detritus

Last Answer : (d) Detritus

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 

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

Assertion: Amount of biodegradable organic matter present in water is measured by BOD of water Reason: During biodegradation of organic compounds. Oxy

Description : Assertion: Amount of biodegradable organic matter present in water is measured by BOD of water Reason: During biodegradation of organic compounds. Oxy

Last Answer : Assertion: Amount of biodegradable organic matter present in water is measured by BOD of water Reason: ... but reason is wrong D. both are wrong

Pick out the wrong statement.(A) Biological oxygen demand (BOD) is a characteristic and not a constituent of water (B) BOD is a measure of the amount of oxygen which will be demanded & used in 5 days by the biological decomposition of the organic matter present in water stream present as food for the living organism (C) BOD is expressed in mg/litre (typically, BOD=2.5 mg/litre for potable water) (D) None of these

Description : Pick out the wrong statement. (A) Biological oxygen demand (BOD) is a characteristic and not a constituent of water (B) BOD is a measure of the amount of oxygen which will be demanded & used in 5 days ... BOD is expressed in mg/litre (typically, BOD=2.5 mg/litre for potable water) (D) None of these

Last Answer : (D) None of these

Pick out the correct statement. (A) Chemical oxygen demand (COD) is a measure of chemically oxidisable organic matter present in water (B) COD is determined by oxidising the organic matter present in water with potassium dichromate in cone, sulphuric acid solution at boiling temperature for specified time (C) COD is related to BOD of a given waste in water but the relationship varies for different wastes. Typically COD of potable water may be 1-2 mg/litre (D) All (A), (B) and (C)

Description : Pick out the correct statement. (A) Chemical oxygen demand (COD) is a measure of chemically oxidisable organic matter present in water (B) COD is determined by oxidising the organic matter present in water with potassium dichromate ... of potable water may be 1-2 mg/litre (D) All (A), (B) and (C)

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

Is there a generalized method for extracting pigments from organic matter?

Description : Is there a generalized method for extracting pigments from organic matter?

Last Answer : Painters using traditional methods (and back in the day) tend to use a mortar and pestle to crush things in order to extract the pigment, in addition to adding other paint ingredients. Crushing things ... are then incorporated into the other matter, lending the color, is one method for doing this.

What is organic matter ?

Description : What is organic matter ?

Last Answer : Substances that did not come from the body of an organism but existed on earth before the origin of the organism are called organic matter.

What% of Organic Matter Contains Living Bone Cells ?

Description : What% of Organic Matter Contains Living Bone Cells ?

Last Answer : Living bone marrow contains 40% organic matter.

What are the levels of organic matter in agro-ecological zones 3 , 7 and 8 ?

Description : What are the levels of organic matter in agro-ecological zones 3 , 7 and 8 ?

Last Answer : Organic matter levels in agro-ecological zones 3, ৭ , and are mild to moderate.

What is organic matter?

Last Answer : Organic Elements The increase or decrease , displacement or change in concentration of organic matter plays an important role in social change. The ever- increasing population has created various problems such as unemployment , child labor and intense competition for employment.

Assertion : BOD of river polluted by sewage is more than 20 ppm. Reason: Polluted river contains excess of organic matter.

Description : Assertion : BOD of river polluted by sewage is more than 20 ppm. Reason: Polluted river contains excess of organic matter.

Last Answer : Assertion : BOD of river polluted by sewage is more than 20 ppm. Reason: Polluted river contains excess ... true but reason is wrong D. Both are wrong

The rate of formation of new organic matter by rabbit in a grassland, is called.

Description : The rate of formation of new organic matter by rabbit in a grassland, is called.

Last Answer : The rate of formation of new organic matter by rabbit in a grassland, is called. A. Net ... C. Net primary productivity D. Gross primary producitvity

Find out the correct sentene about manure (i) Manure contains large quantites of organic matter and small quantites of nutrients. (ii) It increases th

Description : Find out the correct sentene about manure (i) Manure contains large quantites of organic matter and small quantites of nutrients. (ii) It increases th

Last Answer : Find out the correct sentene about manure (i) Manure contains large quantites of organic matter and small quantites ... and (iii) D. (iii) and (iv)

Secondary productivity is rate of formation of new organic matter by:

Description : Secondary productivity is rate of formation of new organic matter by:

Last Answer : Secondary productivity is rate of formation of new organic matter by: A. Producer B. Parasite C. Consumer D. Decomposer

In an ecosystem the rate of production of organic matter during photosynthesis is termed as

Description : In an ecosystem the rate of production of organic matter during photosynthesis is termed as

Last Answer : In an ecosystem the rate of production of organic matter during photosynthesis is termed as ... . Gross primary productivity D. Secondary productivity

The rate of formation of new organic matter by rabbit in a grassland, is called.

Description : The rate of formation of new organic matter by rabbit in a grassland, is called.

Last Answer : The rate of formation of new organic matter by rabbit in a grassland, is called. A. Net ... C. Net primary productivity D. Gross primary productivity

Are trees organic matter?

Description : Are trees organic matter?

Last Answer : Need answer

Where does organic matter come from?

Description : Where does organic matter come from?

Last Answer : Need answer

Which component of the biosphere is an example of organic matter?

Description : Which component of the biosphere is an example of organic matter?

Last Answer : Glucose

Which of the following is incorrect? (a) Red soils are rich in iron (b) Black soils are rich in phosphorus nitrogen and organic matter (c) Alluvial soils are rich in potash but poor in phosphorus (d) Red soils are suitable for cultivation of pulses and coarse grains

Description : Which of the following is incorrect? (a) Red soils are rich in iron (b) Black soils are rich in phosphorus nitrogen and organic matter (c) Alluvial soils are rich in potash but poor in phosphorus (d) Red soils are suitable for cultivation of pulses and coarse grains

Last Answer : Ans: (b)

The organic matter rich compost made by use of earthworms

Description : The organic matter rich compost made by use of earthworms

Last Answer : Ans. Vermicompost

A mass of rotted organic matter made from waste

Description : A mass of rotted organic matter made from waste

Last Answer : Ans. Compost

The process of decomposition of organic matter is termed as

Description : The process of decomposition of organic matter is termed as

Last Answer : Ans. Humification

The C/N ratio in the organic matter of furrow slice (upper 15 cm) of arable soils commonly ranges from

Description : The C/N ratio in the organic matter of furrow slice (upper 15 cm) of arable soils commonly ranges from

Last Answer : Ans. 8:1 to 15:1

Decomposition of organic matter is due to (a) Virus (b) Fungi (c) Bacteria (d) None of these

Description : Decomposition of organic matter is due to (a) Virus (b) Fungi (c) Bacteria (d) None of these

Last Answer : Ans:(c)

Marsh gas, formed from decaying organic matter and in coal mines is (a) carbon dioxide (b) methane (c) ethane (d) carbon monoxide

Description : Marsh gas, formed from decaying organic matter and in coal mines is (a) carbon dioxide (b) methane (c) ethane (d) carbon monoxide

Last Answer : Ans:(b)

Eutrophication of a water body enhances – (1) Organic matter production (2) Biological oxygen demand (3) Both (1) and (2) (4) Neither (1) nor (2)

Description : Eutrophication of a water body enhances – (1) Organic matter production (2) Biological oxygen demand (3) Both (1) and (2) (4) Neither (1) nor (2)

Last Answer : (3) Both (1) and (2) Explanation: Eutrophication is the ecosystem response to the addition of artificial or natural substances, such as nitrates and phosphates, through fertilizers or sew-age. It leads not only to increased levels of nutrients, but increased Biological Oxygen Demand as well.

The biological process in which both aerobes and anaerobes degrade organic matter is - (1) Manuring (2) Composting (3) Digesting (4) Nitrifying

Description : The biological process in which both aerobes and anaerobes degrade organic matter is - (1) Manuring (2) Composting (3) Digesting (4) Nitrifying

Last Answer : (2) Composting Explanation: Composting is the depomposition of plant remains and other once-living materials to make an earthy, dark, crumbly substance that is excellent for enriching soil. It is the chief way to recycle wastes.

To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by potassium dichromate in the presence of A. Hydrochloric acid B. Sulphuric acid C. Nitric acid D. Citric acid

Description : To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by potassium dichromate in the presence of A. Hydrochloric acid B. Sulphuric acid C. Nitric acid D. Citric acid

Last Answer : ANS: B

In sewage having fully oxidised organic matter, the nitrogen exists in the form of A. Nitrites B. Nitrates C. Free ammonia D. Aluminoid nitrogen

Description : In sewage having fully oxidised organic matter, the nitrogen exists in the form of A. Nitrites B. Nitrates C. Free ammonia D. Aluminoid nitrogen

Last Answer : ANS: B

In very first stage of decomposition of the organic matter in sewage A. Nitrites are formed B. Nitrates are formed C. Carbondioxide is formed D. Ammonia is formed

Description : In very first stage of decomposition of the organic matter in sewage A. Nitrites are formed B. Nitrates are formed C. Carbondioxide is formed D. Ammonia is formed

Last Answer : ANS: D

For the COD test of sewage, organic matter is oxidised by K2Cr2O7 in the presence of A. H2SO4 B. HNO3 C. HCl D. None of these

Description : For the COD test of sewage, organic matter is oxidised by K2Cr2O7 in the presence of A. H2SO4 B. HNO3 C. HCl D. None of these

Last Answer : ANS: A