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Absorption by roots - The Processes Involved — Biology STD 10 — Question

ICSE BoardEnglish MediumSTD 10BiologyAbsorption by roots - The Processes Involved1 Mark
Question
(a) Mention whether the following statement is true or false.
(b) Correct the false statement by altering the last word only.
Addition of salt to pickles prevents growth of bacteria because they turn turgid.
✓

Answer

(a) False
(b) Addition of salt to pickles prevents growth of bacteria because they turn flaccid.
Explanation:Addition of salt to pickles increases the concentration and when bacterias come in contact it undergoes exosmosis and thus becomes flaccid or plasmolysed leading to its death.

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