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Absorption by Roots — Biology STD 10 — Question

ICSE BoardEnglish MediumSTD 10BiologyAbsorption by Roots2 Marks
Question
Given below is an experimental demonstration.

(i) Which phenomenon has been demonstrated in the given figure?
(ii) What is the solute and what is solvent in the above experiment?
(iii) Define the phenomenon in Q. (i) above.
(iv) Give one example from your daily life experiences based on this principle.
✓

Answer

(i) Diffusion.
(ii) KMnO4 crystals represent the solute and water is solvent.
(iii) The movement of the molecules of a substance from the region of their higher concentration to the region of their lower concentration until a state of equilibrium is achieved in both the regions.
(iv) If a bottle of scent or spirit is opened in one comer of a closed room, its smell can be felt in every part of the room.

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