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

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

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

The soil having PD 2.50 g/cc and BD 1.25 g/cc will have _____ % porosity.

Description : The soil having PD 2.50 g/cc and BD 1.25 g/cc will have _____ % porosity.

Last Answer : Ans. 50

The weathering mineral, having most stable soil structure

Description : The weathering mineral, having most stable soil structure

Last Answer : Ans. Kaolinite

Multiplication of cell of large number of plants placed in appropriate environment conditions with required nutrients is known as

Description : Multiplication of cell of large number of plants placed in appropriate environment conditions with required nutrients is known as

Last Answer : Ans. Plant tissue or in vitro culture

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.

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.

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.

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.

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

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

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

Organic compounds which inhibit or modify any physiological process

Description : Organic compounds which inhibit or modify any physiological process

Last Answer : Ans. Plant Growth Regulators (PGRs)

Which one is considered as organic fertilizer?

Description : Which one is considered as organic fertilizer?

Last Answer : Ans. Urea

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

A sample of saturated soil has 30% water content and the specific gravity of soil grains is 2.6. The dry density of the soil mass in g/cm3 , is (A) 1.47 (B) 1.82 (C) 1.91 (D) None of these

Description : A sample of saturated soil has 30% water content and the specific gravity of soil grains is 2.6. The dry density of the soil mass in g/cm3 , is (A) 1.47 (B) 1.82 (C) 1.91 (D) None of these

Last Answer : (D) None of these

A soil sample of mass specific gravity 1.92 has moisture content 30%. If the specific gravity of solids is 2.75, the void ratio, is (A) 0.858 (B) 0.860 (C) 0.862 (D) 0.864

Description : A soil sample of mass specific gravity 1.92 has moisture content 30%. If the specific gravity of solids is 2.75, the void ratio, is (A) 0.858 (B) 0.860 (C) 0.862 (D) 0.864

Last Answer : Option C

A soil sample of mass specific gravity 1.92 has moisture content 30%. If the specific gravity of solids is 2.75, the degree of saturation, is (A) 95.4 % (B) 95.5 % (C) 95.6 % (D) 95.7 %

Description : A soil sample of mass specific gravity 1.92 has moisture content 30%. If the specific gravity of solids is 2.75, the degree of saturation, is (A) 95.4 % (B) 95.5 % (C) 95.6 % (D) 95.7 %

Last Answer : Option D

Bronze is an alloy of copper, zinc , and tin having composition (A) 60% - 30% - 10% (B) 70% - 20% - 10% (C) 88% - 2% - 10% (D) 50% -30% - 20%

Description : Bronze is an alloy of copper, zinc , and tin having composition (A) 60% - 30% - 10% (B) 70% - 20% - 10% (C) 88% - 2% - 10% (D) 50% -30% - 20%

Last Answer : (C) 88% - 2% - 10%

Large portions of the earth with similar climate, soil, plant and animal life community is known as

Description : Large portions of the earth with similar climate, soil, plant and animal life community is known as

Last Answer : Ans. Biosphere

The soil, air and seed borne disease of wheat

Description : The soil, air and seed borne disease of wheat

Last Answer : Ans. Kernal bunt (Neovossia indica)

The soil borne disease of rice

Description : The soil borne disease of rice

Last Answer : Ans. Sheath blight of rice (Rhizoctonia oryzae)

Nutrients absorbed by plants from soil solution are carried upward through the

Description : Nutrients absorbed by plants from soil solution are carried upward through the