PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoTake four peeled potato halves and scoop out the centre of each to form potato cups. Ensure that one of the potato cups is prepared from a boiled potato. Place all four potato cups in separate troughs containing water. Set up the cups as follows:
Cup A: Leave the cup empty.
Cup B: Add one teaspoon of sugar.
Cup C: Add one teaspoon of salt.
Cup D: Add one teaspoon of sugar to the boiled potato cup.
Allow the setups to remain undisturbed for two hours. After this period, carefully observe and record the changes seen in each of the four potato cups.
Attempt all the following questions.
(i) Explain why water gathers in the hollowed portion of B and C.
a. _________ caused water from the trough to collect in the hollowed-out portions of the potatoes in B and C because sugar and salt were present in both, respectively.
(ii) Why is potato A necessary for this experiment?
b. Since Potato A acts as the control experiment, it is essential to conduct this experiment. Control helps us compare the results and determine what changes occurred throughout the experiment.
(iii) Explain why water does not gather in the hollowed out portions of A and D.
c. Water does not collect in potato A's hollowed-out area because it was ______. Additionally, water does not collect in cup D because the potato used was boiled, making it _______ because the cell membrane was disrupted as a result of the denatured protein structure.
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