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The experiment is used to demonstrate the process of…

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BIOLOGY

Use the diagram below to answer question 4 to 6

After an hour, the level of water in,

The experiment is used to demonstrate the process of…

A. transportation

B. water culture

C. diffusion

D. Osmosis

QUICK ANSWER…

D

DETAILS…  

The presence of a more concentrated sugar solution, less concentrated distilled water, and a membrane suggests osmosis is expected to occur here… that is, water will move from the less concentrated distilled water to the more concentrated sugar solution in order to neutralize and balance out the concentration of sugar.

Now for the right answer to the above question:

  1. This option of transportation is laughable, transportation of what if I may ask? Perhaps water in and out of the funnel… A is very wrong.
  2. B is wrong too; water culture involves the process of growing plants on water without soil, but with nutrients and oxygen. This could be done in a lab or classroom to study plant roots.
  3. No, diffusion usually involves movement of gasses (not liquids) from more concentrated regions to less concentrated regions. C is wrong
  4. Actually, osmosis is the answer, movement of water and not gas is involved as demonstrated… D is correct
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QUICK ADVICE…

You may please note that while diffusion usually involves movement of gasses from regions of more concentration to that of less concentration, osmosis on the other hand involves the movement of liquids or solutions from less to more concentrated regions across a semi-permeable membrane.

you may use the questions and answers session to deal further with this topic…

/culled from 2018 JAMB-UTME biology question 5/

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