What is organic matter?

by

1 Answer

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.
by

Related questions

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.

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.

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.

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

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

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 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

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

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

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)

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.

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.

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

The sewage treatment units in which anaerobic decomposition of organic matter is used, are called A. Imhoff tanks B. Trickling filters C. Sludge sedimentation tanks D. None of these

Description : The sewage treatment units in which anaerobic decomposition of organic matter is used, are called A. Imhoff tanks B. Trickling filters C. Sludge sedimentation tanks D. None of these

Last Answer : ANS: B

The Brake Horse power of the motor (efficiency 60%) required for a pump of capacity 0.075 cumec for a total lift of 12 m, is A. 10 B. 15 C. 20 D. 25 Q No: 44 Aerobic bacterias A. Flourish in the presence of free oxygen B. Consume organic matter as their food C. Oxidise organic matter in sewage D. All the above

Description : The Brake Horse power of the motor (efficiency 60%) required for a pump of capacity 0.075 cumec for a total lift of 12 m, is A. 10 B. 15 C. 20 D. 25 Q No: 44 Aerobic bacterias A. ... presence of free oxygen B. Consume organic matter as their food C. Oxidise organic matter in sewage D. All the above

Last Answer : ANS: D

Pick up the incorrect statement from the following: A. The process of decomposing the organic matter under controlled anaerobic conditions, is called sludge digestion B. Sludge digestion is carried out in sludge tank C. The gases produced in sludge digestion process, contain 75% carbon dioxide D. The gases produced in sludge digestion process, contain 75% methane

Description : Pick up the incorrect statement from the following: A. The process of decomposing the organic matter under controlled anaerobic conditions, is called sludge digestion B. Sludge digestion is carried ... contain 75% carbon dioxide D. The gases produced in sludge digestion process, contain 75% methane

Last Answer : ANS: C

The chemical decomposition produced by micro-organisms on certain organic matter is

Description : The chemical decomposition produced by micro-organisms on certain organic matter is

Last Answer : called fermentation.

Plant organic matter is called

Description : Plant organic matter is called

Last Answer : vegetable matter

Measuring Biochemical Oxygen Demand (BOD) is a method used for (a) estimating the amount of organic matter in sewage water (b) working out the efficiency of oil driven automobile engines (c) measuring the activity of Saccharomyces cerevisiae in producing curd on a commercial scale (d) working out the efficiency of RBCs about their capacity to carry oxygen.

Description : Measuring Biochemical Oxygen Demand (BOD) is  a method used for  (a) estimating the amount of organic matter in  sewage water (b) working out the efficiency of oil driven  automobile engines ... commercial  scale (d) working out the efficiency of RBCs about their  capacity to carry oxygen.

Last Answer : (a) estimating the amount of organic matter in  sewage water

High value of BOD (Biochemical Oxygen Demand) indicates that (a) water is less polluted (b) consumption of organic matter in the water is higher by the microbes (c) water is pure (d) water is highly polluted.

Description : High value of BOD (Biochemical Oxygen Demand)  indicates that (a) water is less polluted (b) consumption of organic matter in the water is  higher by the microbes  (c) water is pure (d) water is highly polluted.

Last Answer : (b) consumption of organic matter in the water is 

Measuring Biochemical Oxygen Demand (BOD) is a method used for (a) estimating the amount of organic matter in sewage water (b) working out the efficiency of oil driven automobile engines (c) measuring the activity of Saccharomyces cerevisiae in producing curd on a commercial scale (d) working out the efficiency of RBCs about their capacity to carry oxygen.

Description : Measuring Biochemical Oxygen Demand (BOD) is a method used for (a) estimating the amount of organic matter in sewage water (b) working out the efficiency of oil driven automobile engines (c) ... a commercial scale (d) working out the efficiency of RBCs about their capacity to carry oxygen.

Last Answer : (a) estimating the amount of organic matter in sewage water

High value of BOD (Biochemical Oxygen Demand) indicates that (a) water is less polluted (b) consumption of organic matter in the water is higher by the microbes (c) water is pure (d) water is highly polluted.

Description : High value of BOD (Biochemical Oxygen Demand) indicates that (a) water is less polluted (b) consumption of organic matter in the water is higher by the microbes (c) water is pure (d) water is highly polluted.

Last Answer : (b) consumption of organic matter in the water is higher by the microbes

The rate of formation of new organic matter by rabbit in a grassland, is called (a) net productivity (b) secondary productivity (c) net primary productivity (d) gross primary productivity.

Description : The rate of formation of new organic matter by rabbit in a grassland, is called (a) net productivity (b) secondary productivity (c) net primary productivity (d) gross primary productivity.

Last Answer : (b) secondary productivity

Secondary productivity is rate of formation of new organic matter by (a) consumers (b) decomposers (c) producers (d) parasites.

Description : Secondary productivity is rate of formation of new organic matter by (a) consumers (b) decomposers (c) producers (d) parasites.

Last Answer : (a) consumers

In an ecosystem the rate of production of organic matter during photosynthesis is termed as (a) secondary productivity (b) net productivity (c) net primary productivity (d) gross primary productivity.

Description : In an ecosystem the rate of production of organic matter during photosynthesis is termed as (a) secondary productivity (b) net productivity (c) net primary productivity (d) gross primary productivity.

Last Answer : (d) gross primary productivity.

Which one of the following experiments suggests that simplest living organisms could not have originated spontaneously from non-living matter? (a) Larvae could appear in decaying organic matter. (b) Microbes did not appear in stored meat. (c) Microbes appeared from unsterilised organic matter. (d) Meat was not spoiled, when heated and kept sealed in a vessel.

Description : Which one of the following experiments suggests that simplest living organisms could not have originated spontaneously from non-living matter? (a) Larvae could appear in decaying organic matter. (b) Microbes did not ... matter. (d) Meat was not spoiled, when heated and kept sealed in a vessel.

Last Answer : (d) Meat was not spoiled, when heated and kept

Plants usually do not grow well in poorly drained soils because: a. Oxygen content is low in poorly drained soils b. The organic matter content of poorly drained soils is too high c. Poorly drained soils warm too quickly in spring d. Plant roots become engorged with water in poorly drained soils

Description : Plants usually do not grow well in poorly drained soils because: a. Oxygen content is low in poorly drained soils b. The organic matter content of poorly drained soils is too high c. Poorly drained soils warm too quickly in spring d. Plant roots become engorged with water in poorly drained soils

Last Answer : Oxygen content is low in poorly drained soils

Most of Nitrogen is used in the decomposition of __________ and thus plant shows deficiency symptoms : a. Amino acids b. Cellulose c. Carbon compounds d. Organic matter

Description : Most of Nitrogen is used in the decomposition of __________ and thus plant shows deficiency symptoms : a. Amino acids b. Cellulose c. Carbon compounds d. Organic matter

Last Answer : Cellulose

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