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Standard XII
Geography
Question

A handful of soil was mixed in water and left in a jar for some time. Different components of soil got segregated and formed layers, as shown in the given figure.
Select the correct option regarding layers X,Y and Z.
811562_af2ac3e494fe40548299ee5150824805.jpg
  1. Soil sample having high amount of X than Y and Z is best suited for maize cultivation
  2. Soil sample having almost same amount of Y and Z and comparatively much less amount of X has highest percolation rate and water absorbing capacity
  3. Soil containing more amount of Z and very little X and Y is prominent in areas where Kangaroo rat and Acacia are commonly found
  4. The space between particles is very large in X however particles are small sized and compactly arranged in Y and Z

A
The space between particles is very large in X however particles are small sized and compactly arranged in Y and Z
B
Soil containing more amount of Z and very little X and Y is prominent in areas where Kangaroo rat and Acacia are commonly found
C
Soil sample having high amount of X than Y and Z is best suited for maize cultivation
D
Soil sample having almost same amount of Y and Z and comparatively much less amount of X has highest percolation rate and water absorbing capacity
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Solution
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In given figure, X shows clay, Y is slit and Z is sand. Soil sample having high amount of X has small sized compactly arranged particles, which hold large amount of water and it is not good for growing plants as water logging damage the crops. Soil having more Y and Z, than X have poor water absorbing capacity. Soil rich in large sized sand particles Z is found in deserts. Soil Z has large sand particles and space is filled with air.

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Similar Questions
Q1
A handful of soil was mixed in water and left in a jar for some time. Different components of soil got segregated and formed layers, as shown in the given figure.
Select the correct option regarding layers X,Y and Z.
811562_af2ac3e494fe40548299ee5150824805.jpg
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Q2

A mixture contains three different substances, X,Y and Z. They are of the same size, cubical in shape and yellow in colour.
X particles are heavy, insoluble in water, non-magnetic and contribute 50% of the mixture.
Y particles are very light, insoluble in water, non-magnetic and contribute 40% of the mixture.
Z particles are iron pieces.
Which of the following methods can separate X,Y and Z?


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Q3
A very large quantity of mixture contains tiny particles of three different substances X, Y, and Z. They are of the same size, cubical in. shape and yellow in color. X particles are very heavy, insoluble, non-magnetic and contribute 50% of the mixture. Y particles are very light, insoluble, non-magnetic and contribute 40% of the mixture. And Z particles are actually iron pieces. Which of the following methods can separate X, Y, and Z in the fastest manner?
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Q4
A very large quantity of mixture contains tiny particles of three different substances X, Y, and Z. They are of the same size, cubical in shape and yellow in colour. X particles are very heavy, insoluble, non-magnetic and contribute to 50% of the mixture. Y particles are very light, insoluble, non-magnetic and contribute to 40% of the mixture. And Z particles are actually iron pieces. Which of the following methods can separate X, Y more efficiently?

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Q5
A very large quantity of mixture contains tiny particles of three different substances X, Y, and Z. They are of the same size, cubical in. shape and yellow in color. X particles are very heavy, insoluble, non-magnetic and contribute 50% of the mixture. Y particles are very light, insoluble, non-magnetic and contribute 40% of the mixture. And Z particles are actually iron pieces.
In the above question which method can be employed to separate X and Y?
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