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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.
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उत्तर
The soil surface has loose top soil 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.
Give geographical reason:
There is a need for soil conservation.
Why is soil conservation important? Give three reasons.
Form pairs or groups of three or four students and discuss, with examples, how we depend directly and indirectly on soil.
Soil conservation measures are mainly aimed at protecting which of the following?
Unscramble the following jumbled word related to soil.
\[\boxed{\text{S}}\]\[\boxed{\text{U}}\]\[\boxed{\text{H}}\]\[\boxed{\text{U}}\]\[\boxed{\text{M}}\]
Unscramble the following jumbled word related to soil.
\[\boxed{\text{G}}\]\[\boxed{\text{I}}\]\[\boxed{\text{N}}\]\[\boxed{\text{R}}\]\[\boxed{\text{H}}\]\[\boxed{\text{E}}\]\[\boxed{\text{T}}\]\[\boxed{\text{W}}\]\[\boxed{\text{E}}\]\[\boxed{\text{A}}\]
Locate the following zones given as boxed items in figure which shows a diagram of 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 rain water 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.
Gardeners gently dig up the soil around the roots of garden herbs (plants) frequently. Give reasons.
