Question

Comment upon the following:

(1) Wooden doors and windows swell up during the rainy season.
(ii) RBCs burst when kept in distilled water,
(iii) When a plant cell is kept in hypertonic solution it becomes flaccid .
(iv) In ascent of sap, the sap moves upward against the force of gravity.
(v)Large quantity of salts in pickles and sugar in jams and jellies is added.
(vi) The leaves of Touch-me-not plant droop down on slight touching
(vi) Wilted lettuce becomes crisp/firm when placed in cold water for a while.
[ICSE]​

Answer 1

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Answer 2

Explanation:

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