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प्रश्न
A man digging a pit found that he could dig with ease initially but digging became difficult as he went deeper. He could not dig beyond a depth of 5 feet. Provide a suitable scientific explanation.
उत्तर
The soil surface has loose topsoil which is easier to dig. At deeper layers, partially weathered rocks or bedrocks are present | which are hard and make digging difficult.
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संबंधित प्रश्न
Sketch the cross section of soil and label the various layers.
Distinguish between the following pair
Soil erosion and soil conservation
Explain any two methods of soil conservation briefly.
Soil conservation measures are mainly aimed at protecting one of the following?
Read the following statements with reference to the soil.
(i) Weathering is a very fast process of soil formation.
(ii) Percolation of water is faster in sandy soils.
(iii) Loamy soil contains only sand and clay.
(iv) Topsoil contains the maximum amount of humus.
Choose the correct statements from the above.
Unscramble the following jumbled word related to soil.
Unscramble the following jumbled word related to soil.
Unscramble the following jumbled word related to soil.
Locate the following zones given as boxed items in Figure 9.1 which shows a diagram of the soil profile.
Topsoil, Subsoil, C-horizon, Bedrock
Rajasthan is a desert state in India. Once while travelling to Rajasthan by train, Boojho observed several streams and rivulets of rainwater during the journey but to his surprise, he did not see streams of water in the desert region even during rains. Help Boojho find a suitable explanation for this.
