SOILS OF INDIA
(2 marks 1 Question)
1. Which crop can be grown better in the black soils?
• Cotton, Jowar, Wheat, Onion, Chilly, Tobacco, oilseeds, Lemon and grapes are major crop
2. What are the types of soils found in India?
■ There are 6 types of soils 1. Alluvial soil 2. Black soil
3. Red soil 4.Laterite soil 5.Desert soil 6.Mountainous soil
1. What is meant by soil conservation? List out its methods.
• Prevention of soil erosion and protecting the fertility of the soil is known as conservation of soil
• Preventing soil erosion:
• Counter ploughing
• Constructions of bunds around the agriculture land
• Prevention of deforestation and encouragement of afforestation
• Control of livestock grazing
2. What are the reasons for soil erosion?
Deforestation, Overgrazing, Unscientific
methods of cultivation, Over Irrigation
3. What are the characteristics of alluvial soil?
• It is deposited over approximately 7.7million square kilometres
• Decomposed material which brought by rivers
• It has rich potash and lime
• Organic and nitrogen are less
4. What is soil erosion? What are the effects of soil erosion?
Transportation of surface soil by various natural forces is called Soil erosion
• It leads to accumulation of silt in the river beds
• Rivers course changing direction,
• The storage capacity of the reservoirs get reduced
• Causes less fertility
5. Why did laterite soil red in colour?
Because of the having rain fall, the minerals of the soil get washed off leaving behind ferric oxide and aluminum in the surface. Hence it has red in colour.
6. What are the characteristics of Black soil?
• This is suitable for cotton growing
• It is formed from the weathering of igneous rock
• It contains more of clay particles
• Soil is very fertile ,can retain water
• It has more lime, magnesium carbonates
• Wheat onion cotton jowar chilly can be grown
I. Choose the correct answer and write:
1. This soil is highly suitable for dry farming.a) black soil b) Red soil c) Alluvial soil d) desert soil.
2. The following soil is most extensively spread over vast areas in india
a) Black soil b) Red soil
c) laterite soil d)Alluvial soil.
3. This pair of soil is suitbale for the cultivation of coffee tea
& other plantation crops.
a) Alluvial soil and laterite soil
b) Laterite soil and mountain soil
c) Black soil and Red soil
d) Mountain soil and black soil
1. What is soil erosion?
A. Transportation of surface soil by various natural forces is called soil erosion.
2. What is soil conservation?
A. Prevention of soil erosion and protecting the fertility of the soil is known as conservation of soil.
3. Which soil is found in the Himalayan mountain?
A. Mountain soil.
4. What are the main causes of soil erosion?
A. Running water, winds and sea waves.
I. Answer in a sentence:
1. which crop can be grown in black soil?
2. Which soil is largely spread in peninsular plateau? A: Red Soil.
3. What is alluvial soil?
A: The soils in the lower areas is called alluvial soil.
4. What kind of soil is suited for growing ragi and oil seeds? A: Red Soil.
5. How is black soil formed?
A: It is formed from the weathering of igneous rock.
II. Answer in about 4 to sentences:
1. Name the different types of soil found in India?
A: * Alluvial soil *Black soil * Red soil *Laterite soil
• Desert soil * Mountain soil
2. What are the methods of soil conservation?
A: * Counter ploughing
• Construction of bunds arround the agriculture land.
• development of terraced agricultural fields.
• prevention of deforeslation and encouragement of afforestation.
• control of livestock grazing
• planned use of water.
• construction of check dams etc.,
3. What are the causes of soil erosion?
A: * Deforestation * over grazing * unscientific methods of cultivation * over irrigation etc.,
• manufacture of bricks, tiles and pots using the top layer of the soil leaving behind depleted soil.