if three 30 cm lengths of glass tubes are tightly packed with clay, sand and loamy soils respectively and then stood in a beaker of water for one week, the level of water will be
lowest in the tube with clay
the same in all tubes
lowest in the tube with loamy soil
highest in the tube with sandy soil
lowest in the tube with sandy soil
Explanation
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Here is an explanation:
At the early stage of the rise of water in the different tubes, it is observed that the rise in water (capillary action) is faster in sandy soil than the other two. But after many hours or at the end of the experiment, clay and loamy soils experience higher rise in water than in sandy soil.
Clay and loamy soils have greater capillary action due to their tiny pores. In addition, loamy soil contains some organic matter while sandy soil has poor capillary action due tol large poor spaces and large particle sizes. This makes option E the correct answer
REF: Essential Biology for Secondary School, Pg 100
If you check essential biology page 165 an experiment is drawn there it shows Sandy soil has the highest level of water pls take a look so we don't make that mistake again
The answer is "D"
Capillarity ability to move against gravity right.
Okay, imagine you put sandy soil in a bu
The answer is "D"
Capillarity ability to move against gravity right.
Okay, imagine you put sandy soil in a bucket and then add water and the same thing for the other soil definitely the water in the sandy soil will rise quicker than that of the loamy and clay soil.
I don't know why they choose option "E", but if anyone has a contrary option please can you share it
water capillaries/porosity in different typesof soilis dat
clayretainwatermore dan loamy ehileloamymorrdansandy d andswerananshoukdbea D
