Biology
Differentiate between Turgidity and Flaccidity
Roots Absorption
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Answer
Turgidity | Flaccidity |
---|---|
It is the state of a cell in which the cell wall is rigid and stretched by an increase in the volume of vacuoles due to the absorption of water. | It is the condition in which the cell content is shrunken and the cell is not tight. |
It occurs when the cell is placed in Hypotonic solution. | It occurs when the cell is placed in Hypertonic solution. |
It is caused by Endosmosis. | It is caused by Exosmosis. |
Water moves into the cell. | Water moves out of the cell. |
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Mention whether the following statements are true (T) or false (F). Correct the false statements by altering the last word only.
(a) Addition of salt to pickles prevents the growth of bacteria because they turn turgid.
(b) Cells that have lost their water content are said to be deplasmolysed.
(c) Xylem is the water conducting tissue in plants.
(d) The protoplasm shrinks, when a cell is kept in hypotonic solution.
(e) The cell wall of the root cell is a differentially permeable membrane.
Mention whether the following statements are true (T) or false (F) and give explanation in support of your answer.
(a) Guttation is another name for bleeding in plants.
(b) Soaked seeds burst their seed coats.
(c) If the phloem of a twig is removed keeping the xylem intact, the leaves of a twig wilt.
(d) Guttation in plants occurs maximum at mid-day.
(e) Raisins when submerged in water swell up due to endosmosis.