10 Questions
What are the four types of soil mentioned in the text?
Alluvial soil, Black soil, Red soil, Laterite soil
Explain why Khadar soil is more fertile than bhangar soil.
Khadar soil is more fertile than bhangar soil because new layers are deposited year after year during monsoon floods, replenishing nutrients.
What characteristic of black soil helps in air circulation and has a self-ploughing effect?
During the dry season, black soil shrinks and develops big cracks which help in air circulation and cause a self-ploughing effect.
How does soil change with age according to the text?
As soil ages, it gradually starts to look different from its parent material, with its components constantly changing.
What important constituent of soil adds fertility to it?
Humus is an important constituent of soil that adds fertility to it.
Why do different regions in India have different kinds of soil for agriculture?
Due to varied natural environment, physiographic regions, and climate leading to the formation of different types of soil.
What makes alluvial soils suitable for a variety of crops?
Alluvial soil is a mixture of sand, clay, and silt, rich in minerals, and easily tillable.
Why is black soil considered productive for agriculture?
Black soil has high moisture retention capacity, more clay content, and responds well to irrigation.
What contributes to the fertility of deltaic alluvium compared to coastal alluvium?
Deltaic alluvium receives new fertile layers yearly during monsoonal floods and is composed of fine silt and clay.
How is black soil formed in the Deccan trap region?
Black soil is formed from the breakdown of lava rocks into finer particles due to volcanic eruptions.
Test your knowledge on the different types of soil and the factors responsible for their formation. Learn about alluvial soil, black soil, red soil, and laterite soil. Explore the concepts of weathering and erosion in soil formation.
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