Black soil derived from volcanic rocks with humus is suitable for growing (a) rice (b) wheat (c) cotton (d) grapes

Black soil derived from volcanic rocks with humus is suitable for growing (a) rice (b) wheat (c) cotton (d) grapes
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Last Answer : (3) Black soil

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Description : The lower Gangetic plain is characterized by humid climate with high temperature throughout the year. Which one among the following pairs of crops is most suitable for this region? [CSAT 2011] (a) Paddy and Cottort (b) Wheat and Jute (c) Paddy and Jute (d) Wheat and Cotton

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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

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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 : (1) humus Explanation: The distribution of mountain soils is subject mainly to a vertical (elevation) zonation; the soils change with ascent into the mountains depending on changes in climatic conditions. ... content and is thus, very fertile. It is found in Himalayan regions and north-east India.

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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.

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.

Which of the following is not a seed borne disease? (a) Redrot of sugarcane (b) Potato mosaic (c) Brown leaf spot of rice (d) Black gram of cotton

Description : Which of the following is not a seed borne disease? (a) Redrot of sugarcane (b) Potato mosaic (c) Brown leaf spot of rice (d) Black gram of cotton

Last Answer : Ans: (b)

The soils of the plains have not been derived (a) from the Himalayan rocks (b) from the Peninsular rocks (c) only from the rocks existing locally (d) from material brought by the rivers

Description : The soils of the plains have not been derived (a) from the Himalayan rocks (b) from the Peninsular rocks (c) only from the rocks existing locally (d) from material brought by the rivers

Last Answer : Ans: (c)

Which of the following is/are not the characteristics of red soils? 1. They are derived from weathering of old crystalline and metamorphic rocks 2. They contain iron oxides 3. They have high water retention capacity 4. They have high nitrogen content (a) II and III (b) Only III (c) Only IV (d) III and IV

Description : Which of the following is/are not the characteristics of red soils? 1. They are derived from weathering of old crystalline and metamorphic rocks 2. They contain iron oxides 3. They have high water retention capacity 4. They ... nitrogen content (a) II and III (b) Only III (c) Only IV (d) III and IV

Last Answer : Ans: (d)

The maximum bearing capacity of soil is that of (A) Black cotton soil (B) Loose fine sandy soil (C) Dry coarse sandy soil (D) Hard rocks

Description : The maximum bearing capacity of soil is that of (A) Black cotton soil (B) Loose fine sandy soil (C) Dry coarse sandy soil (D) Hard rocks

Last Answer : Answer: Option D

A fertile soil, suitable growing common crops, is like to have a pH value of (a) three (b) four (c) six to seven (d) nine to ten

Description : A fertile soil, suitable growing common crops, is like to have a pH value of (a) three (b) four (c) six to seven (d) nine to ten

Last Answer : Ans: (d)

Deep black soil is productive due to high proportion of (a) sand and zinc (b) gravel and calcium (c) clay and humus (d) silt and earthworm.

Description : Deep black soil is productive due to high proportion of (a) sand and zinc (b) gravel and calcium (c) clay and humus (d) silt and earthworm.

Last Answer : (c) clay and humus

Which one of the following plants is used for green manuring in India? (1) Wheat (2) Sun hemp (3) Cotton (4) Rice

Description : Which one of the following plants is used for green manuring in India? (1) Wheat (2) Sun hemp (3) Cotton (4) Rice

Last Answer : (2) Sun hemp Explanation: Used as a cover crop, sunn hemp can improve soil properties, reduce soil erosion, conserve soil water, and recycle plant nutrients.

Bt seed is associated with - (1) Rice (2) Wheat (3) Cotton (4) Oil seeds

Description : Bt seed is associated with - (1) Rice (2) Wheat (3) Cotton (4) Oil seeds

Last Answer : (3) Cotton Explanation: Cotton is the most popular of the Bt crops: it was planted on about 1 .8 million acres (728437 ha) in 1996 and 1997. The Bt gene was isolated and transferred ... genetically into the cotton seeds, protects the plants from bollworm (A. lepidoptora), a major pest of cotton.

The crop having the highest pesticide use is (A) Cotton (B) Oilseeds (C) Rice (D) Wheat

Description : The crop having the highest pesticide use is (A) Cotton (B) Oilseeds (C) Rice (D) Wheat

Last Answer : (A) Cotton

Which of the following crops are related to Green revolution? a. Wheat, Rice b. Cotton, Bajra c. Maize, Rice d. Bajra, Wheat

Description : Which of the following crops are related to Green revolution? a. Wheat, Rice b. Cotton, Bajra c. Maize, Rice d. Bajra, Wheat

Last Answer : a. Wheat, Rice

2,4 D weedicide avoided in — crop. a. Rice b. Wheat c. Sorghum d. Cotton

Description : 2,4 D weedicide avoided in — crop. a. Rice b. Wheat c. Sorghum d. Cotton

Last Answer : d. Cotton

Phalaris minor has developed resistance to isoproturon in Punjab and Haryana in a). Rice b). Wheat c). Sugarcane d). Cotton

Description : Phalaris minor has developed resistance to isoproturon in Punjab and Haryana in a). Rice b). Wheat c). Sugarcane d). Cotton

Last Answer : b). Wheat

Bt seed is associated with (1) Rice (2) Wheat (3) Cotton (4) Oil seeds

Description : Bt seed is associated with (1) Rice (2) Wheat (3) Cotton (4) Oil seeds

Last Answer : Cotton

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 : (1) cotton Explanation: Black soils, locally called regard or black cotton soils, and internationally known as 'tropical black earths' or 'tropical chernozems' have been developed by the weathering ... cracks on drying and self-ploughing and are credited with high fertility of crops like cotton.

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 : (3) Laterite soil Explanation: Lateritic soils are the most weathered and infertile of all soil types. Due to intensive leaching and low base-exchange capacity, typical lateritic soils are generally infertile and of little value for crop production (Geography of India by Srntta Sengupta, p 63).

Which of the following types of soil is best suited for cotton cultivation? (1) Black (2) Red (3) Laterite (4) Mountain

Description : Which of the following types of soil is best suited for cotton cultivation? (1) Black (2) Red (3) Laterite (4) Mountain

Last Answer : (1) Black Explanation: Cotton needs a soil with a excellent water holding capacity and aeration and good drainage as it cannot withstand excessive moisture and water logging. The major groups of ... mostly in the central and western parts and covers approximately 20% of the total area of India.

To which group does the black cotton soil of India belong? (1) Laterite (2) Podzol (3) Chemozem (4) Alluvial

Description : To which group does the black cotton soil of India belong? (1) Laterite (2) Podzol (3) Chemozem (4) Alluvial

Last Answer : (3) Chemozem Explanation: Chernozem (meaning: black soil), or 'black earth’, is a black-coloured soil containing a high percentage of humus (7% to 15%), and high percentages of phosphoric acids, phosphorus and ammonia. It is very fertile and produces a high agricultural yield.

Which of the following is NOT a food crop? (a) Maize (b) Bajra (c) Paddy (d) Wheat (e) Cotton shop.ssbcrack.com

Description : Which of the following is NOT a food crop? (a) Maize (b) Bajra (c) Paddy (d) Wheat (e) Cotton shop.ssbcrack.com

Last Answer : Ans: (e)

The most suitable soil for the production of cotton is – (1) Black lava soil (2) Alluvial soil (3) Loamy soil (4) Well drained soil

Description : The most suitable soil for the production of cotton is – (1) Black lava soil (2) Alluvial soil (3) Loamy soil (4) Well drained soil

Last Answer : (1) Black lava soil Explanation: Black soil is most suitable for the cultivation of cotton. The deep and medium black lava soil of the Deccan and Malwa plateaus is considered ideal, though it can be grown on alluvial 'and red soil as well. The black cotton soil is also known as regur.

In case of foundations on black cotton soils, the most suitable method to increase the bearing capacity of soils is to (A) Increase the depth of foundation (B) Drain the soil (C) Compact the soil (D) Replace the poor soil

Description : In case of foundations on black cotton soils, the most suitable method to increase the bearing capacity of soils is to (A) Increase the depth of foundation (B) Drain the soil (C) Compact the soil (D) Replace the poor soil

Last Answer : Answer: Option D

The most suitable soil for the production of cotton is : (1) Black lava soil (2) Alluvial soil (3) Loamy soil (4) Well drained soil

Description : The most suitable soil for the production of cotton is : (1) Black lava soil (2) Alluvial soil (3) Loamy soil (4) Well drained soil

Last Answer : Black lava soil

From which rocks is the soil material mainly derived? -Do You Know?

Description : From which rocks is the soil material mainly derived? -Do You Know?

Last Answer : answer: