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Absorption by Roots — Biology STD 10 — Question

ICSE BoardEnglish MediumSTD 10BiologyAbsorption by Roots3 Marks
Question
Given diagram represents an apparatus set-up to study a very important physiological process.
(i) Name the process being studied.
(ii) Explain the process.
(iii) What change would you observe in the thistle funnel containing sugar Thistle Funnel solution after about 10 minutes?

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Answer

(i) Osmosis is being studied in the given set up.
(ii) Osmosis is defined as the net movement of water molecules from a region of their higher concentration to a region of their lower concentration through a semipermeable membrane.
(iii) After 10 minutes, the level of sugar solution rises in the tube of thistle Water Beaker funnel, whereas water level in the beaker falls.

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